CN110364830A - A kind of GNSS and LoranC system combined integratedization receiving antenna - Google Patents
A kind of GNSS and LoranC system combined integratedization receiving antenna Download PDFInfo
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- CN110364830A CN110364830A CN201910772594.0A CN201910772594A CN110364830A CN 110364830 A CN110364830 A CN 110364830A CN 201910772594 A CN201910772594 A CN 201910772594A CN 110364830 A CN110364830 A CN 110364830A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
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- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
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- 230000010287 polarization Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of GNSS and LoranC system combined integratedization receiving antenna, more particularly to communication equipment field, including pedestal and shell, the interior of shell is equipped with shielding case, pedestal includes bottom plate and connecting cylinder, the connecting cylinder is fixedly connected with bottom plate, the bottom plate side is equipped with connection washer, the connection washer is equipped with multiple connecting columns, the connecting column is integrally formed with washer is connect, and is equipped with connector lug in the middle part of the bottom plate, shell includes body shell, top cover is equipped at the top of the body shell, the body shell bottom end is equipped with multiple fixation holes.The present invention passes through pedestal, shell and shielding case integration assembling design, feeder line is used to connect shielding case as a period of time of LoranC system antenna, form integrated small antenna, in the case where guaranteeing performance, antenna length effectively shorten to 0.2-0.3 m, integral antenna Miniaturization Design is realized, solves the problems, such as that traditional antenna transport and assembly are inconvenient.
Description
Technical field
The present invention relates to technical field of communication equipment, it is more particularly related to which a kind of GNSS and LoranC system group are unified
Body receiving antenna.
Background technique
Positioning, navigation, time dissemination system (PNT system) civilian are played a very important role modern with military field.Mesh
Preceding common PNT system mainly has star base GNSS system and ground Loran-C system, and the receiving antenna of the two systems is usually that
This is independent.Under some specific regions, GNSS satellite signal cannot be normally received, to be unable to satisfy certain equipment at these
It correctly navigated, positioned and the needs of time service using GNSS satellite signal under specific region.
As navigation time dissemination system is quickly towards miniaturization, it is desirable that antenna has the characteristics that small size, especially exists
When navigation equipment need to be placed in moveable mobile equipment, minimizes and the integrated antenna of multiband will be optimal choosing
It selects.Loran-C time dissemination system is a kind of on the basis of ground base station, using 100KHz radio signal, is surveyed according to the time difference
Amount, hyperbola intersection principle realize the long distance wireless electric system of navigation time service；The pulse regime of use can eliminate sky wave to earthwave
Obscure, but 99% radiation energy must be limited in the frequency range of 90KHz-110KHz.The working frequency one of GNSS satellite system
As in 1GHz or more, belong to high-frequency range, and antenna is the critical structural component in satellite navigation time service system, radiation characteristic
And other performance all has an impact for the communication of entire satellite navigation time service system and application effect.LoranC system remote radio
Navigation time dissemination system is main positioning and time dissemination system of the early stage in addition to satellite, in reliability, accuracy, cost and useful effect
There are many advantages for range etc..Satellite system is the important way of current state-of-the-art wireless navigation, time service, there is positioning
With the advantages that time service precision is high, chip integration is high, engineer application range is wide.Therefore Loran-C time dissemination system is led with satellite
Boat time dissemination system has very important status in modern times navigation time service field.And the working frequency range of LoranC system and satellite is not belonging to
In same frequency range, when LoranC system is with satellite common antenna, severe mismatch is caused arrival LoranC system to connect by antenna and Loran C receiver
The weak output signal of receipts machine front end, signal-to-noise ratio will reduce.
Therefore, at present for the antenna part of satellite and Loran-C time dissemination system, the prior art is satellite and LoranC system
System carries out signal reception using individual antenna respectively, and satellite antenna can be divided into active and passive antenna, wherein passive antenna
For ceramic antenna, it is used primarily in the reception that small consumer product carries out the satellite-signal of sky；And active antenna generally for
Equipment or vehicle-mounted machine, since equipment often has more than at a distance from 1 meter between satellite reception module, in this case using having
Source antenna amplifies antenna front ends signal with low-noise amplifier, and the signal to compensate antenna connecting line cable is decayed.And rowland
C antenna generally uses 1-3 meters of long whip antennas, and the i.e. vertical ground connection monopole antenna of whip antenna, is that one kind is widely used
General horizontal plane omnidirectional antenna.
By the analysis to existing satellite and LoranC system antenna technology, it can be found that the usage of existing antenna can be led at present
Many places space, and not readily transportable, debugging and carrying are occupied when antenna being caused to install under the limited special environment in space.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of GNSS and LoranC system is combined integrated
Change receiving antenna, by pedestal, shell and shielding case integration assembling design, uses feeder line connection feeder line connection feeder line connection feedback
Line connects a period of time of feeder line connection feeder line connection feeder line connection shielding case as LoranC system antenna, forms integrated small antenna,
In the case where guaranteeing performance, antenna length is effectively shortened to 0.2-0.3 m, realizes integral antenna Miniaturization Design.
To achieve the above object, the invention provides the following technical scheme: a kind of GNSS and LoranC system combined integratedization receive day
Line, including pedestal and shell, the interior of shell are equipped with shielding case；
Pedestal includes bottom plate and connecting cylinder, and the connecting cylinder is fixedly connected with bottom plate, and the bottom plate side is equipped with connection washer, institute
It states connection washer and is equipped with multiple connecting columns, the connecting column is integrally formed with washer is connect, and is equipped with wiring in the middle part of the bottom plate
Head；
Shell includes body shell, and top cover is equipped at the top of the body shell, and the body shell bottom end is equipped with multiple fixation holes；
Shielding case includes cover, and the cover top middle portion is equipped with threading cylinder, and the threading cylinder and cover are integrally formed, the cover
Internal portion is equipped with coupler, and the cover top is equipped with GNSS antenna, is equipped between the GNSS antenna, coupler and connector lug
Feeder line.
In a preferred embodiment, the connection washer and connecting column are made of rubber material, the connection
Threading hole is equipped with inside column, the bottom plate and connecting column junction are equipped with jack.
In a preferred embodiment, body shell top outer wall and top cover inner wall are equipped with screw thread, the master
Body shell is threadedly coupled with top cover.
In a preferred embodiment, the cover outer diameter is adapted with connecting cylinder internal diameter, the connecting cylinder outer diameter
It is adapted with body shell internal diameter.
In a preferred embodiment, between the connecting cylinder and cover and fixation hole, GNSS antenna and cover it
Between be bolted.
In a preferred embodiment, the shielding case is made of copper material and connect with feeder line.
In a preferred embodiment, the connection washer is set as circular, and the connection washer outer diameter is less than
Bottom plate outer diameter.
In a preferred embodiment, the top cover outer diameter is greater than body shell outer diameter, and the body shell is in top cover
Cone type is streamlined.
In a preferred embodiment, the coupler includes circuit board, wireless connector, adjustable rheostat, field
Effect pipe amplifier, operational amplifier, isolation capacitance and combiner, the wireless connector, adjustable rheostat, field-effect tube are put
Big device, operational amplifier, isolation capacitance and combiner are electrically connected with circuit board.
Technical effect and advantage of the invention:
1, the present invention is connected by pedestal, shell and shielding case integration assembling design using feeder line connection feeder line connection feeder line
Feeder line connects a period of time of feeder line connection feeder line connection feeder line connection shielding case as LoranC system antenna, forms integrated small day
Line effectively shortens antenna length to 0.2-0.3 m, realizes integral antenna Miniaturization Design in the case where guaranteeing performance,
Solve the problems, such as that traditional antenna transport and assembly are inconvenient；
2, the present invention is by the circuit design of coupler, amplification in coupler circuit board and the design for filtering frequency selection circuit, can
Stability, interference free performance and the sensitivity for improving aerial signal, both can solve satellite and be grouped together with LoranC system receiving antenna
The problem of reaching receiver front end weak output signal and signal-to-noise ratio reduction afterwards, to guarantee the satellite-signal and Loran-C signal that receive
Signal quality, also solve the problem that the working frequency range of satellite and LoranC system is not belonging in same frequency range, satellite and LoranC system common antenna
When, the problem of antenna and receiver severe mismatch, effectively improve the signal-to-noise ratio and receiving sensitivity of antenna；
3, the present invention is used cooperatively by connection washer and bottom plate, when can make firm banking position, makes bottom plate and stationary plane
Compactness is higher, avoids connecting washer stress deformation to bottom plate because of not smooth enough the stability for influencing the installation of this antenna of stationary plane
It is sealed with contact surface gap, prevents extraneous water stain meeting dust from entering pollution connector lug, guarantee the service life of this antenna.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is schematic diagram of internal structure of the invention.
Fig. 3 is cover structural schematic diagram of the invention.
Fig. 4 is shell mechanism schematic diagram of the invention.
Fig. 5 is coupler working principle block diagram of the invention.
Fig. 6 is schematic diagram of base structure of the invention.
Fig. 7 is connection washer structure diagram of the invention.
Appended drawing reference are as follows: 1 pedestal, 11 bottom plates, 12 connecting cylinders, 13 connection washers, 14 connecting columns, 15 connector lugs, 2 shells,
21 body shells, 22 top covers, 23 fixation holes, 3 shielding cases, 31 covers, 32 threading cylinders, 33 couplers, 34 GNSS antennas, 35 feeder lines.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is described outer the present invention provides a kind of GNSS and LoranC system combined integratedization receiving antenna, including pedestal 1 and shell 2
Shielding case 3 is equipped with inside shell 2, shell 2 includes body shell 21, is equipped with top cover 22, the body shell 21 at the top of the body shell 21
Bottom end is equipped with multiple fixation holes 23, and the 21 top outer wall of body shell and 22 inner wall of top cover are equipped with screw thread, the body shell 21
It is threadedly coupled with top cover 22,31 outer diameter of cover is adapted with 12 internal diameter of connecting cylinder, 12 outer diameter of connecting cylinder and body shell
21 internal diameters are adapted, and are passed through between the connecting cylinder 12 and cover 31 and fixation hole 23, between GNSS antenna 34 and cover 31
Bolt is fixed, and the shielding case 3 is made of copper material and connect with feeder line 35, and 22 outer diameter of top cover is greater than outside body shell 21
Diameter, the body shell 21 are streamlined in cone type with top cover 22.
As shown in Figs 1-4, embodiment specifically: coupler 33 is first fixed to inside connecting cylinder 12 by this programme, will
Feeder line 35 connects connector lug 15 and coupler 33, then shielding case 3 is put into inside connecting cylinder 12, by feeder line 35 by threading cylinder 32
It is inside pierced by and is connected with GNSS antenna 34, then complete GNSS antenna 34 using bolt and the position of cover 31 is fixed, by body shell
21 sets carry out position to connecting cylinder 12, body shell 21 and cover 31 using bolt outside connecting cylinder 12, through 23 position of fixation hole
It is fixed, it is being attached body shell 21 and top cover 22 to form integral aerial by screw thread, wherein GNSS antenna 34 uses mushroom
Mushroom head dummy microstrip-type antennas, the feeder line 35 of microstrip antenna connect a period of time that shielding case 3 is LoranC system antenna, microstrip antenna relative to
For common antenna, have the characteristics that small size, low section, low profile, it is easier to realize Miniaturization Design, and microstrip type
Antenna has the characteristics that circular polarization radiation, in navigation time dissemination system, because the navigation antenna effect of vertical polarization is less than circle
Poliarizing antenna, so the application of circular polarized antenna is more extensive, this is because circular polarized antenna can receive and emit each side
To line polarization wave and the antipodal cross polarization interference of rotation direction can be completely inhibited, and the feeder line in 34 a period of time of GNSS antenna
35 connection shielding cases 3 effectively increase the anti-interference ability and receiving sensitivity of combined antenna as LoranC system antenna element.
The shielding case 3 includes cover 31, and 31 top middle portion of cover is equipped with threading cylinder 32, the threading cylinder 32 and cover
Body 31 is integrally formed, and coupler 33 is equipped with inside the cover 31, and 31 top of cover is equipped with GNSS antenna 34, the GNSS
Between antenna 34, coupler 33 and connector lug 15 be equipped with feeder line 35, the coupler 33 include circuit board, wireless connector, can
Adjust rheostat, field-effect tube amplifier, operational amplifier, isolation capacitance and combiner, the wireless connector, adjustable variable resistance
Device, field-effect tube amplifier, operational amplifier, isolation capacitance and combiner are electrically connected with circuit board；
As shown in Figure 5, embodiment specifically: it is electric into coupler 33 by feeder line 35 to receive signal for GNSS antenna 34 first
Plate, connection electrostatic discharge protective circuit to, the electrostatic charge of antenna induction can be released, to protect rear end active device will not be by
Excessive electrostatic charge breakdown is accumulated, then, signal is two paths in antenna connector punishment, is believed all the way for the satellite of GNSS
Number receiving path, another way are Loran-C signal receiving path, and satellite signal receiving access is believed low frequency by high-pass filtering circuit
It number filters out, and carries out 50 ohms impedance match, then satellite-signal is admitted to receiver, rowland by combiner and feeder line 35
C signal then passes through high-frequency filter circuit and filters out high-frequency signal, then passes through gain adjusting circuit, and gain adjusting circuit is ground connection
Adjustable resistance, by sliding tap carry out antenna gain adjusting, adjust to antenna receive signal reception most preferably and it is minimum
Useful gain level, to keep the best dynamic of field-effect tube amplifier below, then signal enters field-effect tube amplification
Device amplifies, and amplified signal enters operational amplifier by capacitance and carries out secondary amplification, passes through casacade multi-amplifier
Amplification guarantee the signal from prime have higher gain, increase the intensity of the receiving and transmitting signal of antenna, to reduce antenna ruler
Very little, to solve the problems, such as to propose in background technique, then, opamp-output signal is input to feeder by combiner
35 connectors enter receiver finally by feeder 35, and circuit board is powered by receiver, and electric current is logical after receiver is powered
Feeder line 35 is crossed into combiner, Loran-C signal access is kept apart DC component by capacitance, and DC component enters pressure stabilizing
Circuit carries out voltage conversion, while to the active device power supply in LoranC system access, and DC component passes through after voltage regulator circuit by can
After adjusting resistor and filtering processing, GNSS antenna 34 is powered, due to the reception of both GNSS antenna 34 and LoranC system antenna
Frequency phase-difference is larger, and there is no the signal interferences between side frequency, puts to realize to the signal that antenna element receives
Greatly, the effect for filtering, protecting and adjusting.
The pedestal 1 includes bottom plate 11 and connecting cylinder 12, and the connecting cylinder 12 is fixedly connected with bottom plate 11, the bottom plate 11
Side is equipped with connection washer 13, the connection washer 13 equipped with multiple connecting columns 14, the connecting column 14 with connect washer 13
It being integrally formed, connector lug 15 is equipped in the middle part of the bottom plate 11, the connection washer 13 and connecting column 14 are made of rubber material,
Threading hole is equipped with inside the connecting column 14, the bottom plate 11 is equipped with jack, the connection washer 13 with 14 junction of connecting column
It is set as circular, 13 outer diameter of connection washer is less than 11 outer diameter of bottom plate；
As shown in fig. 6-7, embodiment specifically: after to this antenna overall package, external connection is accessed by connector lug 15
Connecting column 14 is then inserted into jack by antenna, is completed connection washer 13 and is connect with the position of bottom plate 11, then places bottom plate 11
To fixed position, 11 position of bottom plate is fixed through threading hole using bolt, connection 13 stress deformation of washer to bottom plate 11 with
Contact surface gap is sealed, and not only makes bottom plate 11 and the compactness of stationary plane higher, is avoided because of not smooth enough the influence of stationary plane
The stability of this antenna installation, and can prevent extraneous water stain meeting dust from entering pollution connector lug 15, guarantee the use of this antenna
Service life.
Working principle of the present invention:
Referring to Figure of description 1-4, uses feeder line 35 to connect shielding case 3 as a period of time of LoranC system antenna, form integrated small
Change antenna, in the case where guaranteeing performance, effectively shortens antenna length to 0.2-0.3 m, realize integral antenna miniaturization
Design；
Further, referring to Figure of description 5, amplification on 33 circuit board of coupler and the design for filtering frequency selection circuit can be mentioned
Stability, interference free performance and the sensitivity of high aerial signal both can solve satellite and after LoranC system receiving antenna is grouped together
The problem of reaching receiver front end weak output signal and signal-to-noise ratio reduction, also solves the problem that the working frequency range of satellite and LoranC system is not belonging to
In same frequency range, the problem of satellite and when LoranC system common antenna, antenna and receiver severe mismatch；
Referring to Figure of description 6-7,11 position of bottom plate is fixed through threading hole using bolt, connects 13 stress deformation of washer
Bottom plate 11 and contact surface gap are sealed, not only makes bottom plate 11 and the compactness of stationary plane higher, avoids because of stationary plane not
The enough smooth stability for influencing the installation of this antenna, and can prevent extraneous water stain meeting dust from entering pollution connector lug 15.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of GNSS and LoranC system combined integratedization receiving antenna, it is characterised in that: described including pedestal (1) and shell (2)
Shielding case (3) are equipped with inside shell (2)；
Pedestal (1) includes bottom plate (11) and connecting cylinder (12), and the connecting cylinder (12) is fixedly connected with bottom plate (11), the bottom plate
(11) side is equipped with connection washer (13), and the connection washer (13) is equipped with multiple connecting columns (14), the connecting column (14)
It is integrally formed with washer (13) are connect, is equipped with connector lug (15) in the middle part of the bottom plate (11)；
Shell (2) includes body shell (21), is equipped with top cover (22) at the top of the body shell (21), body shell (21) bottom end is set
There are multiple fixation holes (23)；
Shielding case (3) includes cover (31), cover (31) top middle portion be equipped with threading cylinder (32), the threading cylinder (32) and
Cover (31) is integrally formed, and is equipped with coupler (33) inside the cover (31), and cover (31) top is equipped with GNSS antenna
(34), feeder line (35) are equipped between the GNSS antenna (34), coupler (33) and connector lug (15).
2. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the company
Connection pad circle (13) and connecting column (14) are made of rubber material, and threading hole, the bottom plate are equipped with inside the connecting column (14)
(11) jack is equipped with connecting column (14) junction.
3. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the master
Body shell (21) top outer wall and top cover (22) inner wall are equipped with screw thread, and the body shell (21) is threadedly coupled with top cover (22).
4. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the cover
Body (31) outer diameter is adapted with connecting cylinder (12) internal diameter, and connecting cylinder (12) outer diameter is adapted with body shell (21) internal diameter.
5. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the company
It is bolted between connect cylinder (12) and cover (31) and fixation hole (23), between GNSS antenna (34) and cover (31).
6. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the screen
Cover (3) is covered to be made of copper material and connect with feeder line (35).
7. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the company
Connection pad circle (13) is set as circular, and connection washer (13) outer diameter is less than bottom plate (11) outer diameter.
8. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the top
It covers (22) outer diameter and is greater than body shell (21) outer diameter, the body shell (21) is streamlined in cone type with top cover (22).
9. a kind of GNSS according to claim 1 and LoranC system combined integratedization receiving antenna, it is characterised in that: the coupling
Clutch (33) include circuit board, wireless connector, adjustable rheostat, field-effect tube amplifier, operational amplifier, isolation capacitance and
Combiner, the wireless connector, adjustable rheostat, field-effect tube amplifier, operational amplifier, isolation capacitance and combiner are equal
It is electrically connected with circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772594.0A CN110364830A (en) | 2019-08-21 | 2019-08-21 | A kind of GNSS and LoranC system combined integratedization receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772594.0A CN110364830A (en) | 2019-08-21 | 2019-08-21 | A kind of GNSS and LoranC system combined integratedization receiving antenna |
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| CN110364830A true CN110364830A (en) | 2019-10-22 |
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| CN201910772594.0A Pending CN110364830A (en) | 2019-08-21 | 2019-08-21 | A kind of GNSS and LoranC system combined integratedization receiving antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111200181A (en) * | 2020-01-06 | 2020-05-26 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Response combined antenna compatible with omnidirectional communication and satellite navigation |
| CN116845540A (en) * | 2023-07-26 | 2023-10-03 | 上海尚远通讯科技有限公司 | Low-profile miniaturized high-gain dual-frequency GNSS antenna |
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| US4888594A (en) * | 1989-04-03 | 1989-12-19 | Allied-Signal Inc. | Loran-C receiver module |
| JP2002135045A (en) * | 2000-10-27 | 2002-05-10 | Fujitsu Ten Ltd | Composite antenna device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111200181A (en) * | 2020-01-06 | 2020-05-26 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Response combined antenna compatible with omnidirectional communication and satellite navigation |
| CN111200181B (en) * | 2020-01-06 | 2021-02-09 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Response combined antenna compatible with omnidirectional communication and satellite navigation |
| CN116845540A (en) * | 2023-07-26 | 2023-10-03 | 上海尚远通讯科技有限公司 | Low-profile miniaturized high-gain dual-frequency GNSS antenna |
| CN116845540B (en) * | 2023-07-26 | 2024-04-19 | 上海尚远通讯科技有限公司 | Low-profile miniaturized high-gain dual-frequency GNSS antenna |
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