CN106556566A

CN106556566A - A kind of monitoring method of carbon dioxide, device and system

Info

Publication number: CN106556566A
Application number: CN201510642144.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Dongguan Frontier Technology Institute; Shenzhen Kuang Chi Space Technology Co Ltd
Current assignee: Dongguan Frontier Technology Institute; Shenzhen Kuang Chi Space Technology Co Ltd
Priority date: 2015-09-29
Filing date: 2015-09-29
Publication date: 2017-04-05

Abstract

The invention discloses a kind of monitoring method of carbon dioxide, device and system.The method includes：The resident platform of stratosphere receives the probe requests thereby from ground system, wherein, probe requests thereby carries detection time and detecting location；According to detection time, laser instrument of the control in the resident platform of stratosphere launches dual-wavelength laser to detecting location, wherein, dual-wavelength laser acts on the carbon dioxide of detecting location, and two wavelength of dual-wavelength laser meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength；Dual-wavelength laser is received via the scattered signal returned after carbon dioxide scattering, and scattered signal is carried out processing the electric signal for obtaining scattered signal；Electric signal is carried out encoding the data message for obtaining carbon dioxide；Data message is sent to ground system, so that ground system obtains the characterisitic parameter of carbon dioxide according to data message.The present invention monitors carbon dioxide efficiency in solving the problems, such as prior art is low.

Description

A kind of monitoring method of carbon dioxide, device and system

Technical field

The present invention relates to atmospheric monitoring field, in particular to a kind of monitoring method of carbon dioxide, device and it is System.

Background technology

Carbon dioxide CO₂As a kind of important greenhouse gases, its change in concentration, transmission characteristic etc. for research weather Warm and have great significance, test constantly CO in city₂Concentration to lifted numerical weather forecast have active influence, And to factory, the CO in region₂It can be the formulation of carbon economic policy, carbon row that discharge capacity carries out real-time, continuous measurement Management put etc. provides data supporting.

In the related, for CO₂The measuring method of concentration mainly has ground survey, airborne measurement and Satellite observation Three kinds.Ground survey method is typically only capable to the CO for obtaining single-point₂Concentration data, it is difficult to obtain and in a big way, vertically divide Cloth information；Airborne measurement can adopt laser radar, but be unable to the CO in one-point measurement region₂Concentration changes with time information, And affected by bad weather and air traffic control, the working time is restricted；Satellite observation target is global broad range of data, Resolution ratio is poor, and is limited by track and can not carry out Continuous Observation to fixed point.

For monitoring CO in prior art₂The low problem of efficiency, not yet propose effective solution at present.

The content of the invention

Present invention is primarily targeted at a kind of monitoring method of carbon dioxide, device and system are provided, it is existing to solve The low problem of the efficiency of carbon dioxide is monitored in technology.

To achieve these goals, a kind of one side according to embodiments of the present invention, there is provided monitoring of carbon dioxide Method.The monitoring method of carbon dioxide of the invention includes：The resident platform of stratosphere is received from ground system Probe requests thereby, wherein, probe requests thereby carries detection time and detecting location；According to detection time, control is positioned at flat Laser instrument in the resident platform of fluid layer launches dual-wavelength laser to detecting location, wherein, dual-wavelength laser acts on detection The carbon dioxide of position, and two wavelength satisfactions of dual-wavelength laser：Difference of the carbon dioxide to the absorptivity of two wavelength Value is more than preset difference value；Dual-wavelength laser is received via the scattered signal returned after carbon dioxide scattering, and to scattering letter Number carry out processing the electric signal for obtaining scattered signal；Electric signal is carried out encoding the data message for obtaining carbon dioxide；Send out Data message is sent to ground system, so that ground system obtains the characterisitic parameter of carbon dioxide according to data message.

To achieve these goals, a kind of another aspect according to embodiments of the present invention, there is provided monitoring of carbon dioxide Device.The monitoring device of carbon dioxide of the invention includes：First receiver module, for causing stratosphere to be resident Platform receives the probe requests thereby from ground system, wherein, probe requests thereby carries detection time and detecting location；Control Molding block, for according to detection time, laser instrument of the control in the resident platform of stratosphere is double to detecting location transmitting Wavelength laser, wherein, dual-wavelength laser acts on the carbon dioxide of detecting location, and two wavelength of dual-wavelength laser Meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength；Processing module, receives dual wavelength and swashs Light is via the scattered signal returned after carbon dioxide scattering, and scattered signal is carried out processing the telecommunications for obtaining scattered signal Number；Coding module, for carrying out encoding the data message for obtaining carbon dioxide to electric signal；Sending module, sends number It is believed that cease to ground system, so that ground system obtains the characterisitic parameter of carbon dioxide according to data message.

The application can also provide a kind of monitoring system of carbon dioxide, and the system can be resident platform comprising stratosphere, Wherein, antenna, controller, turntable, laser instrument and telescope are installed in the resident platform of stratosphere；Antenna, uses In receiving the probe requests thereby sent from ground system and sending to controller, it is additionally operable to receive the detection that controller is sent Response concurrent delivers to ground system, so that ground system obtains the characterisitic parameter of carbon dioxide according to probe response, wherein, Probe requests thereby carries detection time and detecting location；Controller, is electrically connected with antenna, for according to the spy for receiving Survey request control turntable and turn to and control laser instrument transmitting laser, be additionally operable to the scattered signal received according to telescope Electric signal generate probe response, wherein, probe response carries the data message of carbon dioxide；Turntable, with control Device is electrically connected, for driving laser instrument to rotate according to turn signal so that laser instrument is towards detecting location；Laser instrument, For launching dual-wavelength laser, wherein, dual-wavelength laser acts on the carbon dioxide of detecting location, and dual-wavelength laser Two wavelength meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength；Telescope, with control Device electrical connection processed, for receiving dual-wavelength laser via the scattered signal returned after carbon dioxide scattering, and to scattering letter Number carry out processing the electric signal for obtaining scattered signal.

According to embodiments of the present invention, by the monitoring method of carbon dioxide, in solving prior art, monitor carbon dioxide The low problem of efficiency, reached the purpose for efficiently monitoring carbon dioxide.

Description of the drawings

The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the schematic flow sheet of the monitoring method of carbon dioxide according to embodiments of the present invention；

Fig. 2 is the structural representation of the monitoring device of carbon dioxide according to embodiments of the present invention；

Fig. 3 is the structural representation of the monitoring system of carbon dioxide according to embodiments of the present invention；And

Fig. 4 is a kind of structural representation of preferred embodiment of the monitoring system of carbon dioxide according to embodiments of the present invention Figure.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.

In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment The only embodiment of a present invention part, rather than the embodiment of whole.Based on the embodiment in the present invention, ability The every other embodiment obtained under the premise of creative work is not made by domain those of ordinary skill, should all belong to The scope of protection of the invention.

It should be noted that description and claims of this specification and the term " first " in above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that this The data that sample is used can be exchanged in the appropriate case, so as to embodiments of the invention described herein.Additionally, term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive to be included, for example, comprising The process of series of steps or unit, method, system, product or equipment are not necessarily limited to those steps clearly listed Rapid or unit, but may include clearly not listing or intrinsic for these processes, method, product or equipment Other steps or unit.

Embodiment 1

According to embodiments of the present invention, there is provided a kind of embodiment of the method for the monitoring method of carbon dioxide.

The embodiment of the present invention additionally provides a kind of monitoring method of carbon dioxide.The method can be by the prison of carbon dioxide Survey device to realize, but not limited to this.

Fig. 1 is the method schematic flow sheet of the monitoring side of the carbon dioxide for being embodiment according to the present invention.As shown in figure 1, It is as follows that the method comprising the steps of：

Step S101, the resident platform of stratosphere receive the probe requests thereby from ground system, wherein, probe requests thereby is carried There are detection time and detecting location.

In above-mentioned steps S101, the resident platform of stratosphere for example please from the detection of ground system by antenna reception Ask.Wherein, local device is that the monitoring device of carbon dioxide is located in the resident platform of the stratosphere, and the stratosphere is resident The working depth of platform is about the stratosphere of 20～24Km or so, and can pinpoint resident.Specifically, of the invention real Apply in example, so that the resident platform of the stratosphere is as aerostatics as an example, the monitoring device of carbon dioxide for aerostatics controller is Example is described in detail.Ground system is issued to aerostatics using L-band radio communication and is instructed, such as detection place and spy Survey time, the antenna on aerostatics receive the probe requests thereby from ground system, send aerostatics controller to so that Aerostatics controller can be monitored to carbon dioxide according to probe requests thereby upon receiving a request, further up to prison Survey the purpose of carbon dioxide.Detection time can be time point or time period, and detecting location can be specified place or ground Reason regional extent.

It should be noted that CO2 as a kind of important greenhouse gases, its change in concentration, transmission characteristic etc. for grinding Study carefully that climate warming is significant, the test constantly data acquisition of city CO2 concentration has product to lifting numerical weather forecast Pole affects, the CO2 discharge capacitys of factory, region are carried out real-time, continuous measurement can formulate for carbon economic policy, carbon Discharge management etc. provides data supporting.

Step S103, according to detection time, laser instrument of the control in the resident platform of stratosphere is launched to detecting location Dual-wavelength laser, wherein, dual-wavelength laser acts on the carbon dioxide of detecting location, and two ripples of dual-wavelength laser It is long to meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength.

In above-mentioned steps S103, in a kind of application scenarios, ground system generates detection time and detection as needed Position, and send to the monitoring device of the carbon dioxide.In the region that a certain area of real-time monitoring is S is needed two During carbonoxide distributed intelligence, area S can be decomposed into several detecting location information by ground system, and continuously send out The monitoring device of the carbon dioxide is delivered to, the quantity of detecting location is more in area S, carbon dioxide in the area Monitoring result is more accurate.From the foregoing, it will be observed that detection time and detecting location issue titanium dioxide after being parsed by ground system one by one Carbon detection device, it is possible to achieve real-time control of the ground system to carbon dioxide detection device.In another kind of application scenarios In, detection time is the time period, and/or, detecting location is geographical coverage area, and above- mentioned information is sent by ground system To carbon dioxide detection device, detection time and detecting location are parsed one by one by the carbon dioxide detection device, and root The parked position of the resident platform of stratosphere is controlled according to detecting location.From the foregoing, it will be observed that not only can realize that ground is Real-time control of the system to carbon dioxide detection device, can also realize on a large scale, and/or, in continuous time section two Carbonoxide concentration information is detected, and reduces the data volume that ground system is sent to carbon dioxide detection device.

Herein it should be noted that dual-wavelength laser is two different beam laser of wavelength, and two ripples of dual-wavelength laser It is long to meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength.Preset difference value is used to characterize dioxy Change absorbance difference other degree of the carbon to laser, can select according to actual needs, the present invention is not construed as limiting.Exemplary, Preset difference value in the embodiment of the present invention can be 5% or 10%, and the numerical value of above-mentioned preset difference value can be according to concrete measuring instrument The precision of device, is adjusted according to actual measured conditions.Preferably, wherein the wavelength of beam of laser is located at carbon dioxide Absworption peak at, in addition the wavelength of beam of laser be located at carbon dioxide absorption peak two ends outside.

Herein also, it should be noted that under a kind of application scenarios, when the two beams laser is sent for same laser instrument, Can not possibly be launched in the same time due to laser instrument and be had between the regular hour between two beam laser, therefore two beam laser Every.Further, since stratosphere is resident the stability problem of platform, interval time is shorter, and the path that two beam laser are walked is got over Unified, error is less, therefore wants interval time short as far as possible, a kind of optional Laser emission at intervals of：100～300 is micro- Second.

Step S105, receives dual-wavelength laser via the scattered signal returned after carbon dioxide scattering, and to scattered signal Carry out processing the electric signal for obtaining scattered signal.

In above-mentioned steps S105, there is back scattering after the laser that laser instrument is launched and carbon dioxide effect, backward The intensity of scattering and the concentration positive correlation of the carbon dioxide.The monitoring device of carbon dioxide can be hoped for example, by emission-type Remote mirror receives the scattered signal returned from carbon dioxide, and the autocollimator bore is 1～2m；The prison of carbon dioxide Device is surveyed after scattered signal is received, opto-electronic conversion is carried out to the scattered signal, the electric signal of the scattered signal is obtained, To be subsequently sent to ground system, ground system is facilitated to be processed.

Step S107, carries out encoding the data message for obtaining carbon dioxide to electric signal.

In above-mentioned steps S107, process is carried out to scattered signal and obtains, after electric signal, encoding electric signal To obtain the data message of carbon dioxide, wherein, the data message includes intensity of carbon dioxide etc., to scattering letter The data message could be sent to ground system after number being encoded.

Step S109, sends data message to ground system, so that ground system obtains carbon dioxide according to data message Characterisitic parameter.

In above-mentioned steps S109, after data message is obtained, the data message is sent to ground system so that ground Plane system can obtain the characterisitic parameter of carbon dioxide after data message is obtained according to data message.When two beam laser Wavelength is more close, and launch time when almost overlapping, the reflection on the absorption characteristic of other compositions, ground in air The signal difference that characteristic causes is negligible, and CO₂There is larger difference to the absorptivity of two wavelength lasers, therefore, Ground system according to data message, can resolve the characterisitic parameter of carbon dioxide, wherein, the characterisitic parameter of carbon dioxide Can include：Distance of the concentration and carbon dioxide of carbon dioxide apart from the resident platform of stratosphere.

It should be noted that still so that the monitoring device of carbon dioxide is for aerostatics controller as an example, in the present embodiment Aerostatics controller is operated in the stratosphere of 20～24km or so, and stratosphere is a layer of upper heat and lower cold in earth atmosphere, This layer is divided into different temperature layers, and wherein high temperature is placed on top, and low temperature is placed on lower curtate and (receives under hyperbaric environment Weight, oxygen atom polymerization exotherm).Further, select stratosphere answering as the monitoring method of the present embodiment carbon dioxide With scene, on the one hand as the stratosphere steam of earth atmosphere, SS, impurity etc. are few, weather compares Sunny, light is relatively good, and visibility is very high, is easy to high-altitude flight；Under another aspect is due to warming up on stratospheric air It is cool, air not convection current, based on advection motion, aerostatics controller is the advantages of stress is more stable wherein.

Said method by antenna receive from ground system probe requests thereby, wherein, probe requests thereby carries detection Time and detecting location, calculate detection angle according to detecting location, and detection angle are sent to two according to detection time Free degree turntable and laser instrument so that two-freedom turntable is rotated according to detection angle, and cause laser instrument to send laser To carbon dioxide, the scattered signal returned from carbon dioxide is received by emission-type telescope, scattered signal is carried out Process obtains the electric signal of scattered signal, and electric signal is carried out encoding the data message for obtaining carbon dioxide, data are sent Information is to ground system；Meanwhile, in the present embodiment, by near space aerostatics working depth in 20～24km or so Stratosphere, and can pinpoint resident for a long time, Difference Absorption CO2 detecting laser radar system is mounted adjacent to into space On resident aerostatics platform, effectively solving region CO2 on a large scale, in real time, continuous monitoring problem, and can detect To from ground to high-altitude 10 kilometers of vertical concentration profile information, further, solve how efficient in prior art The problem of ground monitoring carbon dioxide, improves the monitoring efficiency of carbon dioxide, and the data of acquisition can be applicable to meteorological department Numerical weather forecast precision is lifted, is deepened the research to CO2 transmission mechanisms and the impact to weather etc., and is carbon economy Policy making, carbon emission management etc. provide data supporting.

One kind preferred embodiment, in step s 103, is specifically included：

Step S1031：According to detecting location and the position of the resident platform of stratosphere, detection angle is calculated.

In above-mentioned steps S1031, the position of detecting location and the resident platform of stratosphere is preferably expressed as same coordinate Coordinate under system, when the coordinate system of the position of the resident platform of detecting location and stratosphere is different, the monitoring of carbon dioxide Device can complete the change of coordinate system first, unify the two.

Step S1033：Detection angle is sent to the two-freedom in the resident platform of stratosphere according to detection time Turntable so that two-freedom turntable drives laser instrument to rotate according to detection angle.

In above-mentioned steps S1033, after the monitoring device of carbon dioxide receives probe requests thereby, can be according to spy Location is put and calculates detection angle, then the detection angle for calculating is sent to two-freedom turntable according to detection time And laser instrument, after two-freedom turntable and laser instrument receive detection angle, two-freedom turntable is according to search angle Degree is rotated.Wherein, after probe requests thereby is received, motor rotates load to two-freedom turntable, and it is right to realize Ground is pointed to, and the rotational angle of two-freedom turntable includes pitch rotation angle and horizontally rotates angle, wherein, two freely The pitch rotation angle of degree turntable is -60～60 degree, and the angle that horizontally rotates of two-freedom turntable is 0～360 degree, can be covered Lid ground areas are more than 3000 square kilometres.

Step S1035：Control laser instrument transmitting dual-wavelength laser.

In above-mentioned steps S1035, laser instrument sends laser to carbon dioxide；Laser instrument is opened after receiving detection angle Originate and penetrate laser.The laser that laser instrument is produced, is earthward sent out to the laser beam emitting head of telescopic central by Optical Fiber Transmission Penetrate.Optionally, two wavelength lasers are spaced 100～300 μ s, and emitted energy, repetition rate are equal, emitted energy 100mJ～200mJ is, repetition rate is 20Hz～50Hz, it should be noted that two laser are same laser What device was issued, it is impossible to be simultaneously emitted by；Further, since the stability problem of platform, interval time is shorter, two beams The path that laser is walked is more unified, and error is less, therefore wants interval time short as far as possible；According to present laser instrument industry water It is flat, selection laser is considered at intervals of 100～300 μ s.

One kind preferred embodiment, in step S1031, is specifically included：

Step S10311, reads the coordinate of the current location that the location equipment in the resident platform of stratosphere is gathered.

Step S10313, calls space distance between two points formula meter according to the coordinate of the coordinate and detecting location of current location Calculate detection angle.

In above-mentioned steps S10311 to step S10313, the monitoring device for being stored in advance in carbon dioxide is read first In current location coordinate, then the coordinate further according to current location and the coordinate of detecting location that receives are by sky Between two point coordinates formula calculate detection angle, for example, as it is known that aerostatics is in geocentric coordinate system (World Geodetic System -1984Coordinate System, referred to as WGS84) in current location coordinate for (X0, Y0, Z0), the coordinate of the detecting location for needing in probe requests thereby be (Xt, Yt, Zt) then detection angle be from point (X0, Y0, Z0) point to (Xt, Yt, Zt) vector azimuth；By calculating detection angle, two could be caused certainly Rotated according to detection angle by degree turntable, while rotating allow the laser that laser instrument sends to be irradiated to titanium dioxide On carbon, to receive the scattered signal returned from carbon dioxide, the final purpose for realizing monitoring carbon dioxide.

It is a kind of preferred embodiment, before step S1031, step S103：According to detection time, control is located at Laser instrument in the resident platform of stratosphere is also comprised the following specific steps that to detecting location transmitting dual-wavelength laser：According to connecing The detecting location for receiving, calculates the position correction value of the resident platform of stratosphere, and controls stratosphere according to detection time and stay Platform is stayed to adjust parked position according to the position correction value.

Specifically, in above-mentioned steps, the resident platform controller of stratosphere parses the detection time and detecting location, example Such as, judge that detection time is time point or time period, whether detecting location is judged beyond fixed point monitoring region threshold, Wherein, fixed point monitoring region threshold, when being that the resident platform fixed point of stratosphere is resident, on the resident platform of the stratosphere The maximum region of carbon dioxide distributed intelligence that can monitor of monitoring device.

For example, when needing to monitor the gas concentration lwevel information over time of a certain FX scope, ground System sends detection time and detecting location into the resident platform controller of stratosphere, wherein, optionally, detection Time be preset time period (such as 2015 on January 1,8 is when 3 days 18 January in 2015), detecting location It is that (for example, by east longitude E1, the location point of north latitude N1 is the center of circle, L1 for the region that determined by the latitude and longitude value of certain point For the circular geographic area that radius determines).The controller of the resident platform of stratosphere and the control of the carbon dioxide monitoring device Device can be same, it is also possible to interactive control information, to realize that the resident platform of stratosphere and the carbon dioxide monitoring are filled The coordinated signals put.When carbon dioxide monitoring device receives above-mentioned detection time and the detecting location that ground system is sent Afterwards, detecting location is judged without departing from fixed point monitoring region threshold, and detection time is continuous time, then according to the detection Geographic area shown in position, it (is, for example, geographic area shown in the detecting location to calculate optimal detection fixed position Center), position correction value is calculated according to the resident platform current location of the optimal detection fixed position and stratosphere, and is controlled The resident platform of the stratosphere was moved to optimal detection fixed position before detection time starts, and according to the detection time Gas concentration lwevel detection is carried out to detecting location.

Again for example, when needing to monitor large-range carbon dioxide concentration distribution information, ground system by detection time and Detecting location is sent into the resident platform controller of stratosphere, wherein, optionally, detection time be initial time and Or, terminate the time (such as during 2015 on January 1,8 18 points during 8 points to 2015 on January 1,8), detection Position be determined by the latitude and longitude value of at least one location point region (for example, by east longitude E1, the position of north latitude N1 Point is the center of circle, and L1 is the circular geographic area that radius determines).Send out when carbon dioxide monitoring device receives ground system After the above-mentioned detection time for coming and detecting location, detecting location is judged beyond fixed point monitoring region threshold, then according to the spy Location puts shown geographic area, calculates detection original position and detection final position, according to the geographic areas Go out optimal detection track, and aerostatics control platform is controlled according to the detection time and detected along detection track.

It is a kind of preferred embodiment, in step S105：Receive what is returned after dual-wavelength laser is scattered via carbon dioxide After scattered signal, the method can also include：

Step S1061, carries out narrow-band filtering, and/or Polarization Detection, and/or power amplification to scattered signal, to reduce The noise of scattered signal.

In above-mentioned steps S1061, scattered signal is processed, including narrow-band filtering to improve signal to noise ratio, polarized Detection, power amplification etc., reduce the noise of scattered signal, reduce scattering letter by the process to scattered signal Number noise, be conducive to ground system to carry out aggregation process to data message.

It is a kind of preferred embodiment, in step S107：Electric signal is carried out encoding the data message for obtaining carbon dioxide Before, the method can also include：

Step S1063, receives the positional information of the resident platform of stratosphere that location equipment Real-time Collection is arrived, or reads The positional information of the resident platform of stratosphere for prestoring, wherein, location equipment is located in the resident platform of stratosphere.

Step S1065：Receive the temporal information for coming that self-locating devices Real-time Collection is arrived.

In above-mentioned steps S1063 and step S1065, location equipment such as GPS device gathers the position of local device Information, and the corresponding temporal information of the positional information is recorded, then the positional information and temporal information are sent to into local dress Put；Specifically, local device is by taking aerostatics controller as an example, the positional information of GPS device Real-time Collection aerostatics and Positional information and temporal information are sent to aerostatics controller by temporal information, by real time transmit positional information and Temporal information so that the positional information and temporal information and data message are combined into transmission to ground system, is made Obtain concentration and scattering that ground system can learn carbon dioxide according to data message, positional information and temporal information The distance at place.

Preferred embodiment, after step S1065, the method can include one kind：

According to the temporal information that location equipment Real-time Collection is arrived, the current time recorded in calibrating the resident platform of stratosphere.

In above-mentioned steps, receive after the standard time of GPS, can be with standard time amendment, the change originally The current time of ground device, by the time system for correcting local device so that the time of local device and ground system It is consistent, so, realizes well and more accurately carbon dioxide is measured.

Preferred embodiment, step S109 also includes one kind：Send data message, temporal information and positional information extremely Ground system.

In above-mentioned steps, after temporal information and positional information is received, by temporal information and positional information and number It is believed that breath combines transmission to ground system, in ground receiver to the data message from local device, positional information After temporal information, specifically, the dense of carbon dioxide can be calculated according to the intensity and temporal information in data message Degree-height is distributed, and according to the temporal information, positional information for receiving and deflection attitude, resolves measurement CO₂Data correspondence Ground location and the time.

It is a kind of preferred embodiment in, the data message of carbon dioxide at least include it is following any one：Scattered signal Intensity, spontaneous emission laser rise to the time span for receiving scattered signal.Herein it should be noted that scattered signal Intensity include the intensity of scattered signal of the carbon dioxide respectively to returning after two beam laser light scatterings.

It is a kind of preferred embodiment in, laser instrument is Nd:YAG solid state lasers, launching optical maser wavelength is 1572.018nm, 1572.500nm dual wavelength.

It is a kind of preferred embodiment in, in step S109：Data message is sent to ground system, method is also wrapped Include：

Step S110：Intensity of the ground system according to the scattered signal of the two kinds of wavelength for receiving, calculates two kinds of wavelength The ratio of scattered signal intensity, obtains the concentration of the carbon dioxide of detecting location.

In above-mentioned steps S110, when dual-wavelength laser is respectively：The laser and wavelength that 1572.018 nanometer of wavelength During 1572.5 nanometers of laser, the intensity of the scattered signal caused due to other factors is negligible, and carbon dioxide To 1572.018nm absorptivities much larger than the absorptivity to 1572.500nm, therefore, it can according to two-way return signal Intensity, you can calculate the concentration of CO2.

Step S111：Time span of the ground system according to the scattered signal for receiving, obtain the resident platform of stratosphere with There is the distance of scattering part in carbon dioxide.

In above-mentioned steps S111, as the carbon dioxide at differing heights produces the time difference of scattered signal, therefore, The resident platform of stratosphere and the distance that scattering part occurs can be calculated according to the time for receiving scattered signal.

A kind of method of the above embodiments of the present application 1, there is provided monitoring method of carbon dioxide, by antenna receive come From the probe requests thereby of ground system, wherein, probe requests thereby carries detection time and detecting location, according to detecting location Detection angle is calculated, and detection angle is sent to two-freedom turntable and laser instrument according to detection time so that two certainly Rotated according to detection angle by degree turntable, and cause laser instrument laser to be sent to carbon dioxide, by emission-type telescope The scattered signal returned from carbon dioxide is received, scattered signal is carried out processing the electric signal for obtaining scattered signal, it is right Electric signal carries out encoding the data message for obtaining carbon dioxide, sends data message to ground system；It is provided by the present invention Carbon dioxide monitoring method be first receive ground system probe requests thereby, then calculate detection angle, according to spy The survey time sends detection angle to two-freedom turntable and laser instrument, by two-freedom turntable and laser instrument by laser Launch to carbon dioxide, and receive the scattered signal of carbon dioxide return, finally scattered signal is processed and sent To ground system；And then how carbon dioxide is efficiently monitored in solving the problems, such as prior art, with prior art phase Than improve the efficiency of monitoring carbon dioxide.

Embodiment 2

Fig. 2 is the structural representation of the monitoring device of carbon dioxide according to embodiments of the present invention.For purposes of illustration, The architecture painted is only that an example of proper environment, the not use range to the application or function proposition are any Limitation.Also should not be with any dependence to any component shown in Fig. 2 or combination by the monitoring device of carbon dioxide Or demand.

As shown in Fig. 2 the monitoring device of the carbon dioxide can include：First receiver module 21, control module 23, Processing module 25, coding module 27 and sending module 29.

Wherein, the first receiver module 21, for causing the resident platform reception of stratosphere from the probe requests thereby of ground system, Wherein, probe requests thereby carries detection time and detecting location.

In above-mentioned first receiver module 21, the resident platform of stratosphere please from the detection of ground system by antenna reception Ask.Wherein, local device is that the monitoring device of carbon dioxide is located in the resident platform of the stratosphere, and the stratosphere is resident The working depth of platform is about the stratosphere of 20～24Km or so, and can pinpoint resident.Specifically, with carbon dioxide Monitoring device be aerostatics controller as a example by, ground system using L-band radio communication to aerostatics issue instruct, Place and detection time are detected such as, the antenna on aerostatics receives the probe requests thereby from ground system, sends floating to Device controller so that aerostatics controller can be monitored to carbon dioxide according to probe requests thereby upon receiving a request, Further up to the purpose of monitoring carbon dioxide.

Control module 23, is connected to the first receiver module 21, resident positioned at stratosphere for according to detection time, controlling Laser instrument in platform launches dual-wavelength laser to detecting location, wherein, dual-wavelength laser acts on the two of detecting location Carbonoxide, and two wavelength satisfactions of dual-wavelength laser：Carbon dioxide is to the difference of the absorptivity of two wavelength more than pre- If difference.

In above-mentioned control module 23, ground system generates detection time and detecting location as needed, and sends to this The monitoring device of carbon dioxide.During carbon dioxide distributed intelligence in a certain area S of real-time monitoring is needed, ground system Area S can be decomposed into several detecting location information by system, and continuously transmit to the monitoring device of the carbon dioxide, In area S, the quantity of detecting location is more, and in the area, the monitoring result of carbon dioxide is more accurate.

Herein it should be noted that dual-wavelength laser is two different beam laser of wavelength, and two ripples of dual-wavelength laser It is long to meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength.Preset difference value is used to characterize dioxy Change absorbance difference other degree of the carbon to laser, can select according to actual needs, the present invention is not construed as limiting.Exemplary, Preset difference value in the embodiment of the present invention can be 5% or 10%, and the numerical value of above-mentioned preset difference value can be according to concrete measuring instrument The precision of device, is adjusted according to actual measured conditions.Preferably, wherein the wavelength of beam of laser is located at carbon dioxide Absworption peak at, in addition the wavelength of beam of laser be located at carbon dioxide absorption peak two ends outside.In a kind of application scenarios Under, when the two beams laser is sent for same laser instrument, as laser instrument can not possibly launch two beams in the same time Certain time interval is had between laser, therefore two beam laser.Further, since the stability of the resident platform of stratosphere Problem, interval time are shorter, and the path that two beam laser are walked is more unified, and error is less, therefore want interval time short as far as possible, A kind of optional Laser emission at intervals of：100～300 microseconds.

Processing module 25, is connected to control module 23, for receiving the scattered signal from carbon dioxide, to scattering letter Number carry out processing the electric signal for obtaining scattered signal.

In above-mentioned processing module 25, the monitoring device of carbon dioxide is received from carbon dioxide by emission-type telescope The scattered signal of return, wherein, the scattered signal is that laser occurs back scattering generation with carbon dioxide effect, is dissipated The intensity of signal and the concentration positive correlation of carbon dioxide are penetrated, and the autocollimator bore is 1～2m；Carbon dioxide Monitoring device carries out opto-electronic conversion to the scattered signal after scattered signal is received, and obtains the telecommunications of the scattered signal Number, to be subsequently sent to ground system, facilitate ground system to be processed.

Coding module 27, is connected to processing module 25, for carrying out encoding the data for obtaining carbon dioxide letter to electric signal Breath.

In above-mentioned coding module 27, process is carried out to scattered signal and obtains, after electric signal, encoding i.e. electric signal The data message of carbon dioxide can be obtained, wherein, the data message includes intensity of carbon dioxide etc., to scattering Signal could be sent the data message to ground system after being encoded.

Sending module 29, is connected to coding module 27, for sending data message to ground system.

In above-mentioned sending module 29, after data message is obtained, the data message is sent to ground system so that After data message is obtained, as two-way optical maser wavelength is extremely close, launch time also almost overlaps ground system, air The signal difference that the absorption characteristic of middle other compositions, the reflection characteristic on ground cause is negligible, and CO₂To two The absorptivity of individual wavelength laser has larger difference, to 1572.018nm absorptivities much larger than the absorption to 1572.500nm Rate, according to the intensity of two-way return signal, you can calculate CO₂Concentration.

First receiver module 21 of said apparatus receives the probe requests thereby from ground system by antenna, wherein, detection Request carries detection time and detecting location, calculates detection angle, and root according to detecting location by control module 23 Detection angle is sent to two-freedom turntable and laser instrument according to detection time so that two-freedom turntable is according to search angle Degree is rotated, and causes laser instrument to send laser to carbon dioxide, is received by emission-type telescope by processing module 25 From the scattered signal that carbon dioxide is returned, scattered signal is carried out processing the electric signal for obtaining scattered signal, by compiling Code module 27 carries out encoding the data message for obtaining carbon dioxide to electric signal, sends data letter by sending module 29 Cease to ground system；Carbon dioxide is efficiently monitored how in solving the problems, such as prior art, improve carbon dioxide Monitoring efficiency.

In a kind of preferred embodiment, above-mentioned control module 23 includes：Computing unit, transmitting element and control unit, Wherein：

Computing unit, for the position according to detecting location and the resident platform of stratosphere, calculates detection angle.

In above-mentioned computing unit, the position of detecting location and the resident platform of stratosphere is preferably expressed as the same coordinate system Under coordinate, when the coordinate system of the position of detecting location and stratosphere resident platform is different, the monitoring of carbon dioxide is filled The change that can complete coordinate system first is put, unifies the two.

Transmitting element, for being sent detection angle to two in the resident platform of stratosphere freely according to detection time Degree turntable so that two-freedom turntable drives laser instrument to rotate according to detection angle.

In above-mentioned transmitting element, after the monitoring device of carbon dioxide receives probe requests thereby, can be according to detection Position calculation goes out detection angle, then the detection angle for calculating is sent to two-freedom turntable according to detection time and Laser instrument, after two-freedom turntable and laser instrument receive detection angle, two-freedom turntable is according to detection angle Rotated.Wherein, after probe requests thereby is received, motor rotates load to two-freedom turntable, realizes over the ground Point to, the rotational angle of two-freedom turntable includes pitch rotation angle and horizontally rotates angle, wherein, two-freedom The pitch rotation angle of turntable is -60～60 degree, and the angle that horizontally rotates of two-freedom turntable is 0～360 degree, can be covered Ground areas are more than 3000 square kilometres.

Control unit, for controlling laser instrument transmitting dual-wavelength laser.

In above-mentioned control unit, laser instrument sends laser to carbon dioxide；Laser instrument starts after receiving detection angle Transmitting laser.The laser that laser instrument is produced, is earthward launched to the laser beam emitting head of telescopic central by Optical Fiber Transmission. Optionally, two wavelength lasers are spaced 100～300 μ s, and emitted energy, repetition rate are equal, and emitted energy is 100mJ～200mJ, repetition rate are 20Hz～50Hz, it should be noted that two laser are that same laser instrument is sent out Out, it is impossible to be simultaneously emitted by；Further, since the stability problem of platform, interval time is shorter, two beam laser The path walked is more unified, and error is less, therefore wants interval time short as far as possible；According to present laser instrument industrial level, Selection laser is considered at intervals of 100～300 μ s.

By above-mentioned computing unit, transmitting element and control unit, realize the monitoring device in carbon dioxide and receive After probe requests thereby, detection angle can be calculated according to detecting location, then according to detection time by the spy for calculating Measuring angle is sent to two-freedom turntable and laser instrument, after two-freedom turntable and laser instrument receive detection angle, Two-freedom turntable is rotated according to detection angle, meanwhile, laser instrument sends laser to carbon dioxide；Wherein, two After probe requests thereby is received, motor rotates load to free degree turntable, and realization is pointed to over the ground, two-freedom turntable Rotational angle is：- 60 °～+60 ° of pitching, 360 ° of level can cover ground areas for more than 3000 square kilometres； Laser instrument starts to launch laser after receiving detection angle, and laser instrument is Nd:YAG solid state lasers, launch laser wave A length of 1572.018nm, 1572.500nm dual wavelength, two 100～300 μ s of wavelength lasers interval, emitted energy, Repetition rate is equal, and emitted energy is 100mJ～200mJ, and repetition rate is 20Hz～50Hz, in addition, two Laser is that same laser instrument is issued, it is impossible to be simultaneously emitted by；Further, since the stability problem of platform, Shorter every the time, the path that two beam laser are walked is more unified, and error is less, therefore wants interval time short as far as possible；According to existing Laser instrument industrial level, consider laser that this numerical value laser instrument of choosing produces by Optical Fiber Transmission to looking in the distance The laser beam emitting head at mirror center, earthward launches.

In a kind of preferred embodiment, above-mentioned computing unit also includes：Read subelement and computation subunit.

Subelement is read, for reading the coordinate of the current location of the location equipment collection in the resident platform of stratosphere.

Computation subunit, is connected with above-mentioned reading unit, for the seat of coordinate and detecting location according to current location Mark calls 2 points of space range formula to calculate detection angle.

In above-mentioned reading unit and computing unit, read first and be stored in advance in working as in the monitoring device of carbon dioxide The coordinate of front position, then the coordinate of the coordinate further according to current location and the detecting location for receiving is by 2 points of space Coordinate formula calculates detection angle, for example, as it is known that aerostatics geocentric coordinate system (World Geodetic System- 1984Coordinate System, referred to as WGS84) in current location coordinate be (X0, Y0, Z0), visit The coordinate for surveying the detecting location needed in request is that (Xt, Yt, Zt) then detection angle is from point (X0, Y0, Z0) Point to the azimuth of the vector of (Xt, Yt, Zt)；By calculating detection angle, two-freedom turntable could be caused Rotated according to detection angle, the laser that laser instrument sends is irradiated on carbon dioxide while rotating, with Receive the scattered signal returned from carbon dioxide, the final purpose for realizing monitoring carbon dioxide.

In a kind of preferred embodiment, above-mentioned processing module 25 is additionally operable to：

Narrow-band filtering, and/or Polarization Detection, and/or power amplification are carried out to scattered signal, to reduce scattered signal Noise.

In above-mentioned processing module 25, scattered signal is processed, including narrow-band filtering to improve signal to noise ratio, polarized Detection, power amplification etc., reduce the noise of scattered signal, reduce scattering letter by the process to scattered signal Number noise, be conducive to ground system to carry out aggregation process to data message.

In a kind of preferred embodiment, said apparatus also include：Second receiver module and the 3rd receiver module, wherein, Second receiver module, for receiving the positional information of the resident platform of stratosphere that location equipment Real-time Collection is arrived, or reads The positional information of the resident platform of the stratosphere for prestoring is taken, wherein, location equipment is located in the resident platform of stratosphere； 3rd receiver module, for receiving the temporal information for coming that self-locating devices Real-time Collection is arrived.

By above-mentioned second receiver module and the 3rd receiver module, GPS device gathers the positional information of local device, and The corresponding temporal information of the positional information is recorded, then the positional information and temporal information are sent to into local device；Specifically Ground, local device by taking aerostatics controller as an example, the positional information and temporal information of GPS device Real-time Collection aerostatics, Positional information and temporal information are sent to into aerostatics controller, by transmitting positional information and temporal information in real time, So that the positional information and temporal information and data message are combined transmission to ground system so that ground system Can according to data message, positional information and temporal information can learn carbon dioxide concentration and scattering at distance.

In a kind of preferred embodiment, above-mentioned sending module 25 is additionally operable to：

Data message, temporal information and positional information are sent to ground system.

In above-mentioned sending module 25, after temporal information and positional information is received, by temporal information and positional information And data message combines transmission to ground system, in ground receiver to the data message from local device, position Confidence is ceased with after temporal information, specifically, can calculate titanium dioxide according to the intensity and temporal information in data message The concentration of carbon-height distribution, according to the temporal information, positional information for receiving and deflection attitude, resolves measurement CO₂ The corresponding ground location of data and time.

In a kind of preferred embodiment, said apparatus also include：Calibration module.

Wherein, calibration module, for receiving from the standard time of GPS, to calibrate the current time of local device.

In above-mentioned calibration module, receive after the standard time of GPS, can be corrected with standard time, more Change the current time of local device, by the time system for correcting local device so that local device and ground system Time is consistent, and so, realizes well and more accurately carbon dioxide is measured.

A kind of device of the above embodiments of the present application 2, there is provided monitoring device of carbon dioxide, the first receiver module 21 For the probe requests thereby from ground system is received by antenna, wherein, probe requests thereby carries detection time and detection Position, calculates detection angle according to detecting location by control module 23, and sends detection angle according to detection time To two-freedom turntable and laser instrument so that two-freedom turntable is rotated according to detection angle, and laser instrument is sent Laser passes through emission-type telescope reception scattered signal from carbon dioxide by processing module 25 to carbon dioxide, Scattered signal is carried out processing the electric signal for obtaining scattered signal, coding is carried out to electric signal by coding module 27 and is obtained The data message of carbon dioxide, sends data message to ground system by sending module 29；Provided by the present invention two The monitoring device of carbonoxide is first by the first receiver module 21 after probe requests thereby is received, then by control Module 23 obtains detection angle so that two-freedom turntable is rotated and laser instrument launches laser to carbon dioxide, is finally led to Cross processing module 25, coding module 27 and sending module 29 to process the scattered signal of return and encoded and sent To ground system, the present invention mainly calculates detection angle according to probe requests thereby and then controls two-freedom turntable and laser instrument To obtain from carbon dioxide the scattered signal for returning；And then how carbon dioxide is efficiently monitored in solving prior art Problem, compared with prior art, improve the monitoring efficiency of carbon dioxide.

Embodiment 3

According to embodiments of the present invention, a kind of monitoring system of carbon dioxide is additionally provided, Fig. 3 is according to present invention enforcement The structural representation of the monitoring system of the carbon dioxide of example, as shown in figure 3, carbon dioxide according to embodiments of the present invention Monitoring system includes：Stratosphere is resident platform 30, antenna 31, controller 32, turntable 33, laser instrument 34 and is hoped Remote mirror 35, wherein：

Stratosphere is resident platform 30, wherein, antenna 31, controller 32, turntable are installed in the resident platform of stratosphere 33rd, laser instrument 34 and telescope 35.

Antenna 31, the probe requests thereby sent from ground system for reception are simultaneously sent to controller 32, are additionally operable to receive Probe response that controller 32 is sent simultaneously is sent to ground system, so that ground system obtains titanium dioxide according to probe response The characterisitic parameter of carbon, wherein, probe requests thereby carries detection time and detecting location.

Controller 32, is electrically connected with antenna 31, for being turned to according to the probe requests thereby control turntable 33 for receiving, with And according to the probe requests thereby control transmitting laser of laser instrument 34 for receiving, be additionally operable to according to dissipating that telescope 35 is received The electric signal for penetrating signal generates probe response, wherein, probe response carries the data message of carbon dioxide.

Turntable 33, is electrically connected with controller 32, for driving laser instrument 34 to rotate according to turn signal so that laser Device 34 is towards detecting location.

Laser instrument 34, for launching dual-wavelength laser, wherein, dual-wavelength laser acts on the carbon dioxide of detecting location, And two wavelength of dual-wavelength laser meet：Carbon dioxide is more than preset difference value to the difference of the absorptivity of two wavelength.

Telescope 35, is electrically connected with controller 32, for receiving dual-wavelength laser via return after carbon dioxide scattering Scattered signal, and scattered signal is carried out processing the electric signal for obtaining scattered signal.

Alternatively, the monitoring system of carbon dioxide according to embodiments of the present invention also includes：Locating module.Exemplary, The locating module can be global position system GPS, the locating module can be used for gather carbon dioxide data message pair The positional information answered, and the corresponding temporal information of record position information, send positional information and temporal information to controller 32。

Alternatively, the turntable 33 in the above embodiment of the present invention can be two-freedom turntable, two-freedom turntable rotate Angle is：- 60 °～+60 ° of pitching, 360 ° of level can cover ground areas for more than 3000 square kilometres.

Alternatively, L-band radio communication is utilized between the antenna 31 and ground system in the above embodiment of the present invention.

Alternatively, in the above embodiment of the present invention laser instrument 34 transmitting optical maser wavelength be 1572.018nm, 1572.500nm dual wavelengths, two wavelength lasers are spaced 100～300 μ s, and emitted energy, repetition rate are equal, send out Penetrate energy and be 100mJ～200mJ, repetition rate is 20～50Hz.The laser that laser instrument is produced is arrived by Optical Fiber Transmission The laser beam emitting head of telescope, earthward launches.

Alternatively, the telescope 35 in the above embodiment of the present invention receives backscatter signal, assembles, is transferred to control Device processed 35 is processed.Aperture of mirror of looking in the distance is 1～2m.

Alternatively, the two-way echo-signal that the controller 32 in the above embodiment of the present invention is received according to telescope it is strong Degree-Annual distribution, resolves the concentration-height distribution of CO2, the time, aerostatics position according to collection signal and deflection Attitude, resolves the corresponding ground location of measurement CO2 data and time, generates above-mentioned probe response.

Fig. 4 is a kind of structural representation of preferred embodiment of the monitoring system of carbon dioxide according to embodiments of the present invention Figure, as shown in figure 4, the monitoring system 400 of the carbon dioxide includes：Aerostatics 41, hawser 42, load gondola 43rd, global position system GPS equipment 44, laser instrument 34, controller 32, antenna 31, two-freedom turntable 33, And autocollimator 35.

Understand with reference to Fig. 4 and Fig. 3, the aerostatics 41 in Fig. 4 is put down in can be considered Fig. 3 together with load gondola 43 One kind of the resident platform 30 of fluid layer can preferred form of this, the one kind of the two-freedom turntable 33 in Fig. 4 for Fig. 3 intermediate stations 33 Can preferred form of this, the autocollimator 35 in Fig. 4 be Fig. 3 in telescope 35 one kind can preferred form of this, wherein, control Device processed 32 can also be the signal processor in above-described embodiment.

As shown in figure 4, ground system is issued to system 400 using L-band radio communication instruct, such as detection place, Detection time；System 400 sends controller 32 to after antenna 31 receives surface instruction；Controller 32 connects Receive detection time, place instruction after, resolve detection angle, for example, as it is known that aerostatics is in geocentric coordinate system (World Geodetic System -1984Coordinate System, referred to as WGS84) in the coordinate of current location be (X0, Y0, Z0), the coordinate of the detecting location needed in probe requests thereby is that (Xt, Yt, Zt) then detection angle is The azimuth of the vector of (Xt, Yt, Zt) is pointed to from point (X0, Y0, Z0)；Then to two-freedom turntable 33 And laser instrument 34 sends instruction；After two-freedom turntable 33 receives instruction, motor rotates load gondola 43, Realization is pointed to over the ground；Wherein, 33 rotational angle of turntable is：- 60 °～+60 ° of pitching, 360 ° of level, can cover Ground areas are more than 3000 square kilometres.

Laser instrument 34 starts to launch laser after receiving instruction, and laser instrument 34 can be Nd:YAG solid state lasers, Transmitting optical maser wavelength is 1572.018nm, 1572.500nm dual wavelength, and two wavelength lasers are spaced 100～300 μ s, send out Penetrate energy, repetition rate equal, emitted energy is 100mJ～200mJ, repetition rate is 20～50Hz, wherein The laser that laser instrument 34 is produced, is earthward sent out to the laser beam emitting head at 35 center of autocollimator by Optical Fiber Transmission Penetrate；There is the concentration positive correlation of back scattering, scattered signal intensity and carbon dioxide with carbon dioxide effect in laser, by Extremely close in two-way optical maser wavelength, launch time also almost overlaps, the absorption characteristic of other compositions in air, ground The signal difference that reflection characteristic causes is negligible, and CO₂There is larger difference to the absorptivity of two wavelength lasers, To 1572.018nm absorptivities much larger than the absorptivity to 1572.500nm, according to the intensity of two-way return signal, CO can be calculated₂Concentration, the CO at differing heights₂Time of the echo-signal of generation is different, according to receiving The time of signal can settle accounts the distance at scattering；Specifically, for example, the time that laser sends is t1, receives and returns The time of backscatter signal is t2, and the light velocity is c, then distance is l=0.5*c* (t2-t1).

Autocollimator 35 receives backscatter signal, assembles, is transferred to controller 32 and is processed.Reflection 35 bore of formula telescope can be 1～2m；32 pairs of backscatter signals for collecting of controller are processed, including narrow Band filtering (raising signal to noise ratio), Polarization Detection, opto-electronic conversion, power amplification etc., 44 Real-time Collection of GPS device are floated The positional information of pocket, and correct, update time system, transfer data to controller 32；Controller 32 will be received The measurement data for collecting is encoded, and adds time, positional information, and packet is sent by communication antenna over the ground To ground system；Ground system is received after the measurement data of system 400, according to the strength versus time of echo-signal Distribution, resolves the concentration-height distribution of carbon dioxide, the time, the position of aerostatics according to collection signal and deflection appearance State, resolves the corresponding ground location of measurement carbon dioxide data and time.

Stratosphere of 41 working depth of aerostatics in 20～24km or so, and can pinpoint for a long time it is resident, by titanium dioxide Carbon detecting laser radar system is mounted adjacent on the resident aerostatics platform in space, can be with effectively solving region carbon dioxide On a large scale, in real time, continuous monitoring problem, and 10 kilometers from ground to high-altitude of vertical concentration profile can be detected Information, to lifting numerical weather forecast precision, deepening to study significant to carbon dioxide Science Mechanism.

The preferred embodiment provided by the above embodiments of the present application three is optional with what embodiment one to embodiment two was provided Scheme and application scenarios implementation process are identical, but are not limited to the scheme provided to embodiment two by embodiment one.

It should be noted that for aforesaid each method embodiment, in order to be briefly described, therefore which is all expressed as one it is The combination of actions of row, but those skilled in the art should know, and the present invention is not limited by described sequence of movement System, because according to the present invention, some steps can adopt other orders or while carry out.Secondly, art technology Personnel should also know that embodiment described in this description belongs to preferred embodiment, involved action and module Not necessarily the present invention is necessary.

In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment Point, may refer to the associated description of other embodiment.

In several embodiments provided herein, it should be understood that disclosed device, other sides can be passed through Formula is realized.For example, device embodiment described above is only schematic, such as division of described unit, only Only a kind of division of logic function, can have other dividing mode when actually realizing, such as multiple units or component can To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown The coupling each other shown or discuss or direct-coupling or communication connection can be by some interfaces, device or unit INDIRECT COUPLING or communication connection, can be electrical or other forms.

The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can local to be located at one, or can also be distributed to On multiple NEs.Some or all of unit therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.

In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.It is above-mentioned integrated Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.

If integrated unit realized using in the form of SFU software functional unit and as independent production marketing or use when, can To be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially The part for contributing to prior art in other words or all or part of the technical scheme can be with the shapes of software product Formula is embodied, and the computer software product is stored in a storage medium, is used so that one including some instructions Computer equipment (can for personal computer, mobile terminal, server or network equipment etc.) perform the present invention each The all or part of step of embodiment methods described.And aforesaid storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, Magnetic disc or CD etc. are various can be with the medium of store program codes.

The preferred embodiments of the present invention are these are only, the present invention is not limited to, for those skilled in the art For member, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made it is any Modification, equivalent, improvement etc., should be included within the scope of the present invention.

Claims

1. a kind of monitoring method of carbon dioxide, it is characterised in that include：

The probe requests thereby from ground system is received, wherein, the probe requests thereby carries detection time and detection Position；

According to the detection time, laser instrument of the control in the resident platform of stratosphere is sent out to the detecting location Dual-wavelength laser is penetrated, wherein, the dual-wavelength laser acts on the carbon dioxide of the detecting location, and described Two wavelength of dual-wavelength laser meet：The carbon dioxide is to the difference of the absorptivity of two wavelength more than default Difference；

The dual-wavelength laser is received via the scattered signal returned after carbon dioxide scattering, and is dissipated to described Penetrating signal carries out processing the electric signal for obtaining the scattered signal；

The electric signal is carried out encoding the data message for obtaining the carbon dioxide；

The data message is sent to the ground system, so that the ground system is obtained according to the data message Take the characterisitic parameter of the carbon dioxide.

2. method according to claim 1, it is characterised in that according to the detection time, control is positioned at stratosphere The step of laser instrument in resident platform launches dual-wavelength laser to the detecting location includes：

According to the detecting location and the position of the resident platform of the stratosphere, detection angle is calculated；

The detection angle is sent to two in the resident platform of the stratosphere certainly according to the detection time By degree turntable so that the two-freedom turntable drives the laser instrument to rotate according to the detection angle；

Control the laser instrument and launch the dual-wavelength laser.

3. method according to claim 2, it is characterised in that resident according to the detecting location and the stratosphere The step of position of platform, calculating detection angle, includes：

Read the coordinate of the current location that the location equipment in the resident platform of the stratosphere is gathered；

Space distance between two points formula meter is called according to the coordinate of the coordinate and the detecting location of the current location Calculate the detection angle.

4. method according to claim 1, it is characterised in that receiving the dual-wavelength laser via the dioxy After the scattered signal returned after changing carbon scattering, methods described also includes：

Narrow-band filtering, and/or Polarization Detection, and/or power amplification are carried out to the scattered signal, it is described to reduce The noise of scattered signal.

5. method according to claim 1, it is characterised in that obtain described two coding is carried out to the electric signal Before the data message of carbonoxide, methods described also includes：

The positional information of the resident platform of the stratosphere that location equipment Real-time Collection is arrived is received, or is read advance The positional information of the resident platform of the stratosphere of storage, wherein, the location equipment is stayed positioned at the stratosphere In staying platform；

The temporal information that reception is arrived from the location equipment Real-time Collection.

6. method according to claim 5, it is characterised in that send the data message to the ground system Step also includes：

The data message, the temporal information and the positional information are sent to the ground system.

7. method according to claim 5, it is characterised in that receiving what is arrived from the location equipment Real-time Collection After temporal information, methods described also includes：

According to the temporal information that the location equipment Real-time Collection is arrived, record in calibrating the resident platform of the stratosphere Current time.

8. method according to claim 1, it is characterised in that the data message at least include it is following any one： The intensity of the scattered signal, spontaneous emission laser are risen to the time span for receiving the scattered signal.

9. method according to claim 8, it is characterised in that sending the data message to the ground system Afterwards, methods described also includes：

Intensity of the ground system according to the scattered signal of the two kinds of wavelength for receiving, calculates two kinds of wavelength The scattered signal intensity ratio, obtain the concentration of the carbon dioxide of the detecting location；And/or

Time span of the ground system according to the scattered signal for receiving, obtains the stratosphere and is resident There is the distance of scattering part with the carbon dioxide in platform.

10. method according to claim 1, it is characterised in that the dual-wavelength laser is respectively：Wavelength 1572.018 The laser of 1572.5 nanometers of the laser and wavelength of nanometer.

11. methods according to claim 2, it is characterised in that the rotational angle of the two-freedom turntable includes bowing Face upward rotational angle and horizontally rotate angle, wherein, the pitch rotation angle of the two-freedom turntable is -60～60 Degree, the angle that horizontally rotates of the two-freedom turntable is 0～360 degree.

12. a kind of monitoring devices of carbon dioxide, it is characterised in that include：

First receiver module, for causing the resident platform reception of stratosphere from the probe requests thereby of ground system, its In, the probe requests thereby carries detection time and detecting location；

Control module, for according to the detection time, laser instrument of the control in the resident platform of stratosphere to The detecting location launches dual-wavelength laser, wherein, the dual-wavelength laser acts on the two of the detecting location Carbonoxide, and two wavelength satisfactions of the dual-wavelength laser：Absorptivity of the carbon dioxide to two wavelength Difference be more than preset difference value；

Processing module, receives the dual-wavelength laser via the scattered signal returned after carbon dioxide scattering, And the scattered signal is carried out processing the electric signal for obtaining the scattered signal；

Coding module, for carrying out encoding the data message for obtaining the carbon dioxide to the electric signal；

Sending module, sends the data message to the ground system, so that the ground system is according to described Data message obtains the characterisitic parameter of the carbon dioxide.

13. devices according to claim 12, it is characterised in that the control module includes：

Computing unit, for the position according to the detecting location and the resident platform of the stratosphere, calculates detection Angle；

Transmitting element, for the detection angle being sent to staying positioned at the stratosphere according to the detection time Stay the two-freedom turntable in platform so that the two-freedom turntable drives according to the detection angle and described swashs Light device is rotated；

Control unit, launches the dual-wavelength laser for controlling the laser instrument.

14. devices according to claim 13, it is characterised in that the computing unit also includes：

Subelement is read, for reading the present bit of the location equipment collection in the resident platform of the stratosphere The coordinate put；

Computation subunit, for calling space according to the coordinate of the coordinate of the current location and the detecting location 2 points of range formulas calculate the detection angle.

15. devices according to claim 12, it is characterised in that the processing module is additionally operable to：

16. device according to claim 12, it is characterised in that described device also includes：

Second receiver module, for receiving the position of the resident platform of the stratosphere that location equipment Real-time Collection is arrived Information, or the positional information of the resident platform of the stratosphere for prestoring is read, wherein, the positioning sets It is standby to be located in the resident platform of the stratosphere；

3rd receiver module, for receiving the temporal information arrived from the location equipment Real-time Collection.

17. devices according to claim 16, it is characterised in that the sending module is additionally operable to：

18. devices according to claim 16, it is characterised in that described device also includes：

Calibration module, for the temporal information arrived according to the location equipment Real-time Collection, calibrates the stratosphere The current time recorded in resident platform.

19. a kind of monitoring systems of carbon dioxide, it is characterised in that include：

Stratosphere is resident platform, wherein, be provided with the resident platform of the stratosphere antenna, controller, turntable, Laser instrument and telescope；

The antenna, the probe requests thereby sent from ground system for reception are simultaneously sent to the controller, also For receiving probe response that the controller sends and sending to the ground system, so that the ground system The characterisitic parameter of carbon dioxide is obtained according to the probe response, wherein, when the probe requests thereby carries detection Between and detecting location；

The controller, is electrically connected with the antenna, for according to the probe requests thereby control for receiving Turntable turns to and controls the laser instrument transmitting laser, is additionally operable to be believed according to the scattering that the telescope is received Number electric signal generate the probe response, wherein, the probe response carries the data of the carbon dioxide Information；

The turntable, is electrically connected with the controller, for driving the laser instrument to turn according to the turn signal It is dynamic so that the laser instrument is towards the detecting location；

The laser instrument, for launching dual-wavelength laser, wherein, the dual-wavelength laser acts on the detection The carbon dioxide of position, and two wavelength satisfactions of the dual-wavelength laser：The carbon dioxide is to two wavelength Absorptivity difference be more than preset difference value；

The telescope, is electrically connected with the controller, for receiving the dual-wavelength laser via the dioxy The scattered signal returned after changing carbon scattering, and the scattered signal is carried out processing the electricity for obtaining the scattered signal Signal.