CN105353210B - A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method - Google Patents
A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method Download PDFInfo
- Publication number
- CN105353210B CN105353210B CN201510771083.9A CN201510771083A CN105353210B CN 105353210 B CN105353210 B CN 105353210B CN 201510771083 A CN201510771083 A CN 201510771083A CN 105353210 B CN105353210 B CN 105353210B
- Authority
- CN
- China
- Prior art keywords
- microwave
- electric
- frequency
- electro
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 230000004044 response Effects 0.000 claims abstract description 7
- 230000003321 amplification Effects 0.000 claims abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000013480 data collection Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 description 4
- 230000005622 photoelectricity Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012850 discrimination method Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method, belong to microwave photon technology field.Electro-optic phase modulator, image intensifer, optical notch filter, photodetector, electric amplifier, electric shunt and electric combiner form oscillating loop in the device, image intensifer and electric amplifier have the function that circulating power amplification to the signal transmitted in oscillating loop, the measurement for inputting faint microwave signal to be measured is realized, there is high sensitivity.Without electrical filter in the device, therefore do not limited by the bandwidth of electrical filter, the frequency range of tunable laser output light-wave and the filter response bandwidth of optical notch filter can realize that the microwave frequency in big bandwidth range measures up to hundreds of GHz.Solve the problems, such as that photon microwave frequency measurement apparatus is complicated in the prior art, sensitivity is low, measurement range is small.
Description
Technical field
The invention belongs to microwave photon technology field, and in particular to a kind of highly sensitive big bandwidth photon microwave frequency measurement dress
Put and method.
Background technology
Microwave frequency measurement is an important technology in the fields such as radio astronomy, electronic warfare.It is quick with microwave art
Development, the frequency range of microwave operational climb up and up, and almost span 2MHz to 300GHz frequency range.Traditional electronic frequency measurement side
Method, such as multichannel method, frequency-discrimination method, interferometer phase comparing method, standing wave Phase Demodulation, because by by devices such as frequency mixer, wave filters
Electronic bottleneck and instant bandwidth limitation, it is difficult to can meet in the application such as following survey of deep space, electronic countermeasure to unknown microwave signal
A wide range of, the requirement that quick and precisely measures of monitoring.
Photonic propulsion is combined with microwave and caused microwave photon technology carries for a wide range of accurate measurement of microwave frequency
Good means have been supplied, the advantages such as the big bandwidth of light, low-loss, tunable, reusable can be made full use of, while have been had good
Electromagnetism interference performance.It is currently based on microwave photon technology and realizes that the method for microwave frequency measurement is broadly divided into three kinds：(1) base
Measured in the photon microwave frequency of frequency to space reflection；(2) the photon microwave frequency measurement based on frequency to time map；
(3) the photon microwave frequency measurement mapped based on frequency to power.
First technology [1] (S.T.Winnall, A.C.Lindsay, M.W.Austin, J.Canning and
A.Mitchell,“A microwave channelizer and spectroscope based on an integrated
optical Bragg-grating Fabry–Perot”,IEEE Transactions on Microwave Technology
And Techniques, Vol.54, No.2, pp.868-872, Feb.2006) it have studied the photon to space reflection based on frequency
Microwave frequency measuring method.Using integrated waveguide grating Fabry-Perot-type cavity (BGFP) and integrated waveguide Fresnel Lenses by light
The narrow band signal that microwave signal is divided into many roads on frequency domain is carried, these narrow band signals separate in space, pass through photodetection
Device array received realizes that microwave frequency measures per narrow band signal all the way.By integrated waveguide grating Fabry-Perot-type cavity (BGFP)
Limited with the light splitting ability of integrated waveguide Fresnel Lenses, the program fails to realize the microwave frequency measurement of big frequency range.
First technology [2] (L.V.T.Nguyen, " Microwave photonic technique for frequency
measurement of simultaneous signals”,IEEE Photonics Technology Letters,
Vol.21, No.10, pp.642-644, May 2009) it have studied the photon microwave frequency measurement side based on frequency to time map
Method.Using the dispersion characteristics of chirped fiber grating, the wideband microwave signal received is modulated on light carrier, into chirped light
Fine grating transmission, the spread speed in chirped fiber grating is different because of dispersion for the light of different frequency, caused time rising edge
Difference, by the frequency for adjudicating rising edge detection input microwave signal.The measuring method needs the photoswitch of high speed as frequency
The reference gate of measurement, system architecture are complicated；Measurable microwave frequency range is limited by chirped fiber grating dispersion values, while by
Influenceed in by chirped fiber grating delay jitter, measurement error is big.
First technology [3] (X.Han, S.Zhang, C.Tong, N.Shi, Y.Gu, M.Zhao, " A photonic
approach to microwave frequency measurement with extended range based on
Phase modulation ", Chinese Optics Letters, Vol.11, No.5,050604, May 2013) it have studied base
In the photon microwave frequency measuring method that frequency to power maps.Cause to export microwave signal power with transmission using fibre-optical dispersion
The characteristic that fiber distance changes and changed, input microwave signal frequency is constructed with exporting reflecting for microwave signal power ratio
Penetrate relation.Detected by microwave power and do ratio data processing, obtain the frequency values of input microwave signal.Despite the use of two
Mapping relations of the level optical fiber transport channel structure microwave frequency with exporting microwave power ratio, are there is frequency measurement scope
Effect lifting, but as the reduction of input microwave signal power, the measurement error of this method can increase, it is difficult to realize to faint micro-
The detection of ripple signal.
The content of the invention
The present invention provides a kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method, effectively solves background technology
The problems such as sensitivity of middle photon microwave frequency measurement is low, measurement range is small.
The technical scheme is that：A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus, including it is tunable sharp
Light device 1, electro-optic phase modulator 2, image intensifer 3, optical notch filter 4, photodetector 5, electric amplifier 6, electric branch
Device 7, electric combiner 8, microwave power meter 9 and data acquisition and control unit 10；
Described tunable laser 1, electro-optic phase modulator 2, image intensifer 3, optical notch filter 4 and photoelectricity is visited
Survey device 5 and pass sequentially through optical fiber connection；
Described photodetector 5, electric amplifier 6, electric shunt 7 and electric combiner 8 passes sequentially through cable connection；It is described
Electro-optic phase modulator 2, image intensifer 3, optical notch filter 4, photodetector 5, electric amplifier 6, the and of electric shunt 7
Electric combiner 8 is sequentially connected composition loop；
3rd port 73 of described electric combiner 7 passes through cable connection with microwave power meter 9；
Described tunable laser 1 and microwave power meter 9 is connected by data wire with data acquisition with control unit 10；
The filter response of described optical notch filter 4 is the bandpass filtering waveform that there is trap at center, the center of trap
Frequency is fN。
A kind of side that highly sensitive photon microwave frequency measurement is realized with highly sensitive big bandwidth photon microwave frequency measurement apparatus
Method, step are as follows：
The output frequency of tunable laser 1 is fCLight carrier input to the light input end mouth of electro-optic phase modulator 2, treat
Second port 82 of the microwave signal through electric combiner 8 is surveyed to input to the rf inputs mouth of electro-optic phase modulator 2, in electric light phase
Microwave signal is modulated on light carrier in the modulator 2 of position；The output phase of electro-optic phase modulator 2 modulation light carries microwave signal；Phase
Position modulation light carries microwave signal and is amplified into optical notch filter 4 through image intensifer 3；Optical notch filter 4 filters out phase
Position modulation light carries the lower sideband of microwave signal, exports single sideband singal；Single sideband singal is transferred into photodetector 5 and carried out
Opto-electronic conversion；The microwave telecommunication number that photodetector 5 exports is amplified into the first port of electric shunt 7 through electric amplifier 6
71；3rd port 83 of the electric combiner 8 of microwave telecommunication entrance that the second port 72 of electric shunt 7 exports；Electric combiner 8
The microwave telecommunication number that first port 81 exports is inputted to the rf inputs mouth of electro-optic phase modulator 2.
Data acquisition exports the frequency f of light carrier with the output control signal of control unit 10 regulation tunable laser 1C,
It is set to meet following relation
fC=fRF+fN (1)
Under conditions of formula (1) is met, microwave signal to be measured is fallen into electro-optic phase modulator 2, image intensifer 3, optics
Round-trip transmission in the loop that wave filter 4, photodetector 5, electric amplifier 6, electric shunt 7 and electric combiner 8 connect and compose.
The microwave telecommunication number of the 3rd port 73 output of electric shunt 7 is transmitted to microwave power meter 9；Microwave power meter 9 is visited
The performance number of the microwave is measured by data line transfer to data acquisition and control unit 10.
When the gain of above-mentioned loop is more than loss, the performance number of the microwave signal be higher than system noise, data acquisition and
The optical carrier frequency f that control unit 10 exports according to tunable laser 1CWith the trap centre frequency f of optical notch filterN,
The frequency values of microwave signal to be measured are calculated by formula (1)
fRF=fC-fN (2)
The frequency of the microwave signal to be measured of input is determined according to formula (2).
Under conditions of formula (1) is met, electro-optic phase modulator 2, image intensifer 3, optical notch filter 4, photoelectricity
Detector 5, electric amplifier 6, electric shunt 7 and electric combiner 8 form oscillating loop.Image intensifer 4 and electric amplifier 7 are to shaking
Swinging the signal transmitted in loop has the function that circulating power amplification, realizes the measurement for inputting faint microwave signal to be measured, therefore
With high sensitivity.
Described optical notch filter 4, is made up of optical circulator 41 and phase-shifted fiber grating 42.
The highly sensitive big bandwidth photon microwave frequency measurement apparatus, it realizes the original of big bandwidth photon microwave frequency measurement
Reason is as follows：
The device can realize that the scope of frequency measurement exports optical carrier frequency f by tunable laser 1CAdjustable range
With the filter response bandwidth and trap centre frequency f of optical notch filter 4NDetermine.The light that electro-optic phase modulator 2 exports carries
Microwave signal filters out light within the filter response bandwidth of optical notch filter 4, by optical notch filter 4 and carries microwave
Lower sideband, opto-electronic conversion output microwave telecommunication number is carried out by photodetector 5.Microwave telecommunication number is through electric shunt 7, electric combining
Device 8 enters oscillating loop, is vibrated by the circulation of loop, loop gain is more than loss, and the 3rd port 73 of electric shunt 7 exports
Microwave telecommunication number, transmit to microwave power meter 9.Data acquisition collects microwave power meter 9 with control unit 10 and detects what is obtained
Microwave signal power value, the frequency of microwave signal to be measured is determined by formula (2).The filter response bandwidth of optical notch filter 4
In hundreds of GHz, the output optical carrier frequency tuning range of tunable laser is also hundreds of GHz, therefore the arrangement achieves big
The measurement of microwave signal frequency in bandwidth range.
The beneficial effects of the invention are as follows：
(1) the highly sensitive big bandwidth photon microwave frequency measurement apparatus of the present invention and method, using electro-optic phase modulator, light
Amplifier, optical notch filter, photodetector, electric amplifier, electric shunt and electric combiner form oscillating loop, and light is put
Big device and electric amplifier have the function that circulating power amplification to the signal transmitted in oscillating loop, realize that input is to be measured faint
The measurement of microwave signal, there is high sensitivity.
(2) the highly sensitive big bandwidth photon microwave frequency measurement apparatus of the present invention and method, are exported using tunable laser
The difference of the frequency of light carrier and the trap centre frequency of optical notch filter determines the frequency of microwave signal to be measured, the dress
Middle no electrical filter is put, therefore is not limited by the bandwidth of electrical filter, the frequency range and light of tunable laser output light-wave
The filter response bandwidth for learning notch filter reaches GHz up to a hundred, therefore can realize that the microwave frequency in big bandwidth range measures.
Brief description of the drawings
Fig. 1 is the highly sensitive big bandwidth photon microwave frequency measurement apparatus structure chart of the present invention.
Fig. 2 is the electric shunt structure chart in the highly sensitive big bandwidth photon microwave frequency measurement apparatus of the present invention.
Fig. 3 is the electric combiner structure figure in the highly sensitive big bandwidth photon microwave frequency measurement apparatus of the present invention.
Fig. 4 is the notch filter structure chart in the embodiment of the present invention.
Fig. 5 is the spectrogram at A, B and C in the notch filter in the embodiment of the present invention.
In figure：
1- tunable laser；2- electro-optic phase modulators；3- image intensifers；4- optical notch filters；5- photoelectricity is visited
Survey device；6- electric amplifiers；7- electric shunts；8- electricity combiners；9- microwave power meters；10- data acquisitions and control unit；
The first port of 71- electric shunts 7；The second port of 72- electric shunts 7；3rd port of 73- electric shunts 7；
The first port of 81- electricity combiner 8；The second port of 82- electricity combiner 8；3rd port of 83- electricity combiner 8；
Optical circulator in 41- notch filters；Phase-shifted fiber grating in 42- notch filters.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the highly sensitive big bandwidth photon microwave frequency measurement apparatus of the present invention includes：Tunable laser 1, electricity
Optical phase modulator 2, image intensifer 3, optical notch filter 4, photodetector 5, electric amplifier 6, electric shunt 7, electricity close
Road device 8, microwave power meter 9, data acquisition and control unit 10.
Tunable laser 1, electro-optic phase modulator 2, image intensifer 3, optical notch filter 4, photodetector 5 according to
It is secondary to be connected by optical fiber；
Photodetector 5, electric amplifier 6, electric shunt 7, electric combiner 8 pass sequentially through cable connection；
Electro-optic phase modulator 2, image intensifer 3, optical notch filter 4, photodetector 5, electric amplifier 6, electricity point
Road device 7 and electric combiner 8 are sequentially connected composition loop；
3rd port 73 of electric combiner 7 passes through cable connection with microwave power meter 9；
Tunable laser 1, microwave power meter 9 are connected by data wire with data acquisition with control unit 10；
Embodiment
Fig. 4 is optical notch filter 4 used by the embodiment of the present invention, by optical circulator 41 and phase-shifted fiber grating 42
Form.
The output frequency of tunable laser 1 is fCLight carrier input to the light input end mouth of electro-optic phase modulator 2, treat
Second port 82 of the microwave signal through electric combiner 8 is surveyed to input to the rf inputs mouth of electro-optic phase modulator 2, in electric light phase
Microwave signal is modulated on light carrier in the modulator 2 of position；The output phase of electro-optic phase modulator 2 modulation light carries microwave signal.Phase
Position modulation light carries microwave signal and is amplified into optical notch filter 4 through image intensifer 3；Fig. 5 gives light and carries microwave signal
The spectrogram at A, B, C in optical notch filter 4, trap centre frequency fNThe low frequency side of microwave is carried with phase modulated light
Band fC-fRFOverlap.Optical notch filter 4 filters out the lower sideband that phase modulated light carries microwave signal, exports single sideband singal.
Single sideband singal is transferred into photodetector 5 and carries out opto-electronic conversion；The microwave telecommunication number that photodetector 5 exports is through electrically amplified
Device 6 is amplified into the first port 71 of electric shunt 7；The microwave telecommunication number that the second port 72 of electric shunt 7 exports enters
3rd port 83 of electric combiner 8；The microwave telecommunication number that the first port 81 of electric combiner 8 exports is inputted to electric light phase-modulation
The rf inputs mouth of device 2.
Data acquisition exports the frequency f of light carrier with the output control signal of control unit 10 regulation tunable laser 1C,
It is set to meet following relation
fC=fRF+fN (1)
Under conditions of formula (1) is met, microwave signal to be measured is fallen into electro-optic phase modulator 2, image intensifer 3, optics
Round-trip transmission in the loop that wave filter 4, photodetector 5, electric amplifier 6, electric shunt 7, electric combiner 8 connect and compose.
The microwave telecommunication number of the 3rd port 73 output of electric shunt 7 is transmitted to microwave power meter 9；Microwave power meter 9 is visited
The performance number of the microwave is measured by data line transfer to data acquisition and control unit 10.
Image intensifer and electric amplifier in adjusting means so that when the gain of loop is more than loss, the of electric shunt 7
The performance number of the microwave signal of three ports 73 output is higher than system noise, and the detection of microwave power meter 9 obtains the microwave signal power
Value.The optical carrier frequency f that data acquisition exports with control unit 10 according to tunable laser 1CWith optical notch filter
Trap centre frequency fN, handled by formula 3 and obtain the frequency values of microwave signal to be measured
fRF=fC-fN (2)
The frequency of the microwave signal to be measured of input is determined according to formula (2).
Above content is to combine the further description that optimal technical scheme is done to the present invention, it is impossible to assert invention
Specific implementation is only limitted to these explanations.For general technical staff of the technical field of the invention, the present invention is not being departed from
Design on the premise of, can also make it is simple deduce and replace, should all be considered as protection scope of the present invention.
Claims (3)
- A kind of 1. highly sensitive big bandwidth photon microwave frequency measurement apparatus, it is characterised in that described highly sensitive big bandwidth photon Microwave frequency measurement apparatus includes tunable laser (1), electro-optic phase modulator (2), image intensifer (3), optical notch filter Ripple device (4), photodetector (5), electric amplifier (6), electric shunt (7), electric combiner (8), microwave power meter (9) and data Collection and control unit (10)；Described tunable laser (1), electro-optic phase modulator (2), image intensifer (3), optical notch filter (4) and light Electric explorer (5) passes sequentially through optical fiber connection；Described photodetector (5), electric amplifier (6), electric shunt (7) and electric combiner (8) passes sequentially through cable connection； Described electro-optic phase modulator (2), image intensifer (3), optical notch filter (4), photodetector (5), electric amplifier (6), electric shunt (7) and electric combiner (8) are sequentially connected composition loop；3rd port (73) of described electric shunt (7) passes through cable connection with microwave power meter (9)；Described tunable laser (1) and microwave power meter (9) passes through data wire and data acquisition and control unit (10) phase Even；Described optical notch filter (4), is made up of optical circulator (41) and phase-shifted fiber grating (42).
- 2. highly sensitive big bandwidth photon microwave frequency measurement apparatus according to claim 1, it is characterised in that described light The filter response for learning notch filter (4) is the bandpass filtering waveform that there is trap at center, and the centre frequency of trap is fN。
- 3. a kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus with described in claim 1 or 2 realizes highly sensitive photon The method of microwave frequency measurement, it is characterised in that step is as follows：Tunable laser (1) output frequency is fCLight carrier input to the light input end mouth of electro-optic phase modulator (2), treat Second port (82) of the microwave signal through electric combiner (8) is surveyed to input to the rf inputs mouth of electro-optic phase modulator (2), Microwave signal is modulated on light carrier in electro-optic phase modulator (2)；Electro-optic phase modulator (2) output phase modulation light carries micro- Ripple signal；Phase modulated light carries microwave signal and is amplified into optical notch filter (4) through image intensifer (3)；Optical notch Wave filter (4) filters out the lower sideband that phase modulated light carries microwave signal, exports single sideband singal；Single sideband singal is transferred into Photodetector (5) carries out opto-electronic conversion；The microwave telecommunication number of photodetector (5) output amplifies laggard through electric amplifier (6) Enter the first port (71) of electric shunt (7)；The microwave telecommunication number of second port (72) output of electric shunt (7) enters electricity and closed 3rd port (83) of road device (8)；The microwave telecommunication number of first port (81) output of electric combiner (8) is inputted to electric light phase The rf inputs mouth of modulator (2)；Data acquisition and the frequency f of control unit (10) output control signal regulation tunable laser (1) output light carrierC, make It meets following relationfC=fRF+fN (1)Under conditions of formula (1) is met, microwave signal to be measured is fallen into electro-optic phase modulator (2), image intensifer (3), optics The loop that wave filter (4), photodetector (5), electric amplifier (6), electric shunt (7) and electric combiner (8) connect and compose Middle round-trip transmission；The microwave telecommunication number of the 3rd port (73) output of electric shunt (7) is transmitted to microwave power meter (9)；Microwave power meter (9) detection obtains the performance number of the microwave by data line transfer to data acquisition and control unit (10)；When the gain of above-mentioned loop is more than loss, the performance number of the microwave signal is higher than system noise, data acquisition and control The optical carrier frequency f that unit (10) exports according to tunable laser (1)CWith the trap centre frequency f of optical notch filterN, The frequency values of microwave signal to be measured are calculated by formula (1)fRF=fC-fN (2)The frequency of the microwave signal to be measured of input is determined according to formula (2)；Under conditions of formula (1) is met, electro-optic phase modulator (2), image intensifer (3), optical notch filter (4), light Electric explorer (5), electric amplifier (6), electric shunt (7) and electric combiner (8) form oscillating loop；Image intensifer (3) and electricity Amplifier (6) has the function that circulating power amplification to the signal transmitted in oscillating loop, realizes and inputs faint microwave to be measured The measurement of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771083.9A CN105353210B (en) | 2015-11-12 | 2015-11-12 | A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771083.9A CN105353210B (en) | 2015-11-12 | 2015-11-12 | A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105353210A CN105353210A (en) | 2016-02-24 |
| CN105353210B true CN105353210B (en) | 2017-12-26 |
Family
ID=55329212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510771083.9A Active CN105353210B (en) | 2015-11-12 | 2015-11-12 | A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105353210B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687920B (en) * | 2018-12-03 | 2021-05-07 | 大连理工大学 | Microwave photon radio frequency signal monitoring device and method |
| CN110082591B (en) * | 2019-03-29 | 2021-05-25 | 华东师范大学 | Large-bandwidth high-precision microwave frequency measuring device and method |
| CN111835427B (en) * | 2020-07-22 | 2021-06-15 | 四川省人民医院 | Signal frequency measurement implementation system and method for single photon sampling |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587145A (en) * | 2009-06-23 | 2009-11-25 | 西南交通大学 | Photon technical multi-microwave frequency component measurement scheme by using incoherent light source |
| CN102435843A (en) * | 2011-09-26 | 2012-05-02 | 北京邮电大学 | Multi-radio frequency measuring device and method |
| CN102628893A (en) * | 2012-04-13 | 2012-08-08 | 大连理工大学 | System and method for measuring photonic integration microwave frequency |
| CN103324002A (en) * | 2013-06-06 | 2013-09-25 | 大连理工大学 | Reconfigurable single-band-pass microwave photon filtering system and method |
| CN103424618A (en) * | 2013-07-01 | 2013-12-04 | 闽南师范大学 | Photonic microwave frequency measurement method and device |
| CN104991355A (en) * | 2015-07-10 | 2015-10-21 | 上海交通大学 | Microwave photon trap wave apparatus with silicon-based self-coupling micro ring resonant cavity |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946344B2 (en) * | 1979-10-17 | 1984-11-12 | 松下電器産業株式会社 | frequency detection device |
-
2015
- 2015-11-12 CN CN201510771083.9A patent/CN105353210B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587145A (en) * | 2009-06-23 | 2009-11-25 | 西南交通大学 | Photon technical multi-microwave frequency component measurement scheme by using incoherent light source |
| CN102435843A (en) * | 2011-09-26 | 2012-05-02 | 北京邮电大学 | Multi-radio frequency measuring device and method |
| CN102628893A (en) * | 2012-04-13 | 2012-08-08 | 大连理工大学 | System and method for measuring photonic integration microwave frequency |
| CN103324002A (en) * | 2013-06-06 | 2013-09-25 | 大连理工大学 | Reconfigurable single-band-pass microwave photon filtering system and method |
| CN103424618A (en) * | 2013-07-01 | 2013-12-04 | 闽南师范大学 | Photonic microwave frequency measurement method and device |
| CN104991355A (en) * | 2015-07-10 | 2015-10-21 | 上海交通大学 | Microwave photon trap wave apparatus with silicon-based self-coupling micro ring resonant cavity |
Non-Patent Citations (1)
| Title |
|---|
| Photonic scanning receiver using an electrically tuned fiber Bragg grating;P.Rugeland et al.;《OPTICS LETTERS》;20091215;第34卷(第24期);3794-3796 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105353210A (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105910797B (en) | Optical device measurement of spectral response method and measuring device based on double sideband modulation Yu stimulated Brillouin scattering effect | |
| CN102636694B (en) | Single-response microwave photonic filter-based frequency measurement device and measurement method | |
| CN110031832B (en) | Microwave photon Doppler frequency shift measurement system and adjusting method thereof | |
| CN107085143B (en) | A kind of photoelectricity frequency sound test instrument and test method | |
| CN109613335B (en) | Microwave signal frequency measurement device and method based on cyclic frequency shift | |
| CN103091072B (en) | Based on optical device measuring method, the measurement mechanism of optical SSB modulation | |
| CN103067075B (en) | Optical device measurement mechanism, method of measurement | |
| CN110632388B (en) | Frequency mixing-based photoelectric detector frequency response measuring method and device | |
| CN102607618B (en) | Optical fiber sensing method, optical fiber sensing device and using method of optical fiber sensing device | |
| CN106341182B (en) | A kind of microwave source phase noise measurement device carrying radio frequency link based on light | |
| CN103292903A (en) | Spectrum analytical device and spectrum analytical method based on Brillouin dynamic grating | |
| CN104165756B (en) | High sensitivity light vector Network Analyzer based on stimulated Brillouin scattering | |
| CN104113378A (en) | Apparatus and method capable of tuning microwave signal source of semiconductor optical amplifier | |
| CN109084961B (en) | Optical device spectral response measurement method and device based on suppressed carrier frequency | |
| CN107219002A (en) | A kind of ultrahigh resolution spectral measurement method and system | |
| CN102914423B (en) | Measuring method for sag frequency of dispersion optical fiber | |
| CN103414513B (en) | A kind of pulsed light dynamic extinction ratio measurement mechanism and method with high dynamic range | |
| CN106093598A (en) | A kind of electromagnetic signal characteristic measuring system and method | |
| CN110926511B (en) | Broadband high-resolution spectral response measuring method | |
| CN103983846A (en) | Weak signal detection method based on photoelectric oscillator | |
| CN105353210B (en) | A kind of highly sensitive big bandwidth photon microwave frequency measurement apparatus and method | |
| CN107835053B (en) | High-precision instantaneous microwave frequency measuring device | |
| Morozov et al. | Instantaneous frequency measurement using double-frequency probing | |
| CN107356412B (en) | A kind of measurement method of the measuring system based on rare-earth doped optical fibre refractive index | |
| CN105281829B (en) | Light vector Network Analyzer device based on Sagnac-ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |