CN107026332A - Satellite positioning navigation antenna - Google Patents
Satellite positioning navigation antenna Download PDFInfo
- Publication number
- CN107026332A CN107026332A CN201610069720.2A CN201610069720A CN107026332A CN 107026332 A CN107026332 A CN 107026332A CN 201610069720 A CN201610069720 A CN 201610069720A CN 107026332 A CN107026332 A CN 107026332A
- Authority
- CN
- China
- Prior art keywords
- feeding network
- radio frequency
- satellite positioning
- radiation body
- positioning navigation
- 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.)
- Pending
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Classifications
-
- 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
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides a kind of satellite positioning navigation antenna, primary satellite navigation frequency range is completely covered in its bandwidth of operation, meets the requirement of broadband operation and high low elevation gain, including：Spiral radiation body, feeding network and radio frequency socket, wherein, spiral radiation body is threadedly coupled with feeding network, and radio frequency socket is anchored on the bottom plate of feeding network, and the inner wire of radio frequency socket is electrically connected with the input of feeding network.The Antenna Operation frequency range can cover 1164MHz~1615.5MHz prime navaid positioning frequency range, relative bandwidth is up to 33%, can compatible global primary satellite navigation positioning system (i.e. the gps system in the U.S., the GLONASS systems of Russia, the GALILEO systems of European Union and Chinese Beidou satellite navigation system), and low elevation gain is significantly increased relative to current conventional micro-strip navigator fix antenna, can as satellite multimode broadband navigator fix antenna use.
Description
Technical field
The invention belongs to spaceborne observation and control technology field, and in particular to one kind can compatible global primary satellite navigation positioning system (example
Such as, the gps system in the U.S., the GLONASS systems of Russia, the GALILEO systems of European Union and the big-dipper satellite of China
Navigation system) navigation signal satellite positioning navigation antenna.
Background technology
At present, satellite-based navigation antenna conventional in the prior art, for example, single-frequency GPS quadrifilar helix antenna, double-frequency GPS
Microstrip antenna etc., bandwidth of operation is narrower, and is only applicable to receive GPS constellation navigation signal, and following satellite navigation system
The problem of system is in order to improve positioning precision and solve single navigation positioning system coverage hole, it will use a variety of satellite navigation systems
The compatible pattern of phase, therefore, the design of terminal antenna is an important component of the system design, is determined in a sense
Determine the quality of the systematic function.
Thus, study a kind of navigation antenna of compatible multi-mode satellite positioning navigation system and be of great immediate significance.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention, which proposes a kind of bandwidth of operation, can be completely covered four kinds of primary satellite navigation
The satellite positioning navigation antenna of frequency range.
The invention provides a kind of satellite positioning navigation antenna, primary satellite navigation frequency range is completely covered in its bandwidth of operation, meets
The requirement of broadband operation and high low elevation gain, including：Spiral radiation body, feeding network and radio frequency socket, wherein, spiral shell
Rotation radiation body be threadedly coupled with feeding network, radio frequency socket is anchored on the bottom plate of feeding network, the inner wire of radio frequency socket and
The input electrical connection of feeding network
Preferably, prime navaid positioning frequency range is 1164MHz~1615.5MHz.
Spiral radiation body is used to the microwave signal of feeding network feed-in radiateing, so that circular polarization radiation is formed, wherein,
The beam shape of circular polarization radiation is adjusted by the parameter of spiral radiation body.
The working band coverage of feeding network is 1164MHz~1615.5MHz and relative bandwidth is 33%, wherein, it is micro-
Ripple signal is fed into feeding network via radio frequency socket, so as to complete power distribution and final feed-in spiral radiation body.
Radio frequency socket is used for the input for performing microwave signal.
In addition, feeding network is work(point phase-shift network and the microwave signal for radio frequency socket to be fed is divided into that amplitude is equal, phase
Adjacent two paths of signals phase differs the road signals of 90 Du tetra- successively, so as to encourage spiral radiation body respectively.
Specifically, work(point phase-shift network uses modified Schiffman phase shifters, to realize broadband phase shift.
Spiral radiation body is used for amplitude is equal, adjacent two paths of signals phase is formed under differing the road signal excitations of 90 Du tetra- successively
Circular polarization radiation.Spiral radiation body has intrinsic symmetry in structure, so as to be conducive to improving the stabilization of antenna phase center
Property.
Satellite navigation aerial working band of the present invention can cover 1164MHz~1615.5MHz, can the compatible whole world mainly defend
Star navigation positioning system (i.e. the gps system in the U.S., Russia GLONASS systems, the GALILEO systems of European Union and
The Beidou satellite navigation system of China), and compared to for routine GPS microstrip antennas, low elevation gain is significantly improved,
Coordinate with the GPS of rear end and preferably complete satellite navigation location tasks, positioning precision can be improved and single navigation is solved
The problem of alignment system coverage hole.
Brief description of the drawings
Fig. 1 is the appearance schematic diagram of the satellite positioning navigation antenna of the present invention；
Fig. 2 is the diagrammatic cross-section of the satellite positioning navigation antenna of the present invention
Fig. 3 is the schematic diagram (wherein, eliminating feeding network lid plate) of feeding network；
Fig. 4 shows the amplitude simulation result of feeding network；
Fig. 5 shows the phase simulation result of feeding network；
Fig. 6~Figure 10 shows the simulation result of gain pattern；
Figure 11 shows antenna standing wave ratio simulation result；
Figure 12~Figure 14 shows the simulation result of phase centre stability.
Embodiment
It will be appreciated that the satellite positioning navigation antenna of the present invention is made up of spiral radiation body, feeding network and radio frequency socket.Microwave
Signal input port is the standard radio frequency socket that space-vehicle antenna is commonly used, and spiral radiation body is encouraged after feeding network work(point phase shift
Form circular polarization radiation.The Antenna Operation frequency range can cover 1164MHz~1615.5MHz prime navaid positioning frequency range, relatively
Bandwidth up to 33%, can compatible global primary satellite navigation positioning system (for example, the gps system in the U.S., Russia
GLONASS systems, the GALILEO systems of European Union and China Beidou satellite navigation system), and low elevation gain relative to
Current conventional microstrip navigator fix antenna is significantly increased, can as satellite multimode broadband navigator fix antenna use.
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
As depicted in figs. 1 and 2, the satellite positioning navigation antenna of high low elevation gain multimode broadband of the invention includes spiral radiation
Body 1, feeding network 2 and radio frequency socket 3.The antenna realizes the requirement of broadband operation and high low elevation gain, work frequency
Section can cover 1164MHz~1615.5MHz prime navaid positioning frequency range, can with compatible with GPS, GLONASS, GALILEO,
The global navigation satellite systems such as COMPASS.Antenna structure form is simple, and processing technology is relatively easy to realize, reliability
It is higher；
The microwave signal of the feed-in of feeding network 2 is radiate by spiral radiation body 1, forms circular polarization radiation, beam shape can
It is adjusted by the parameters of spiral radiation body 1.
Spiral radiation body 1 is threadedly coupled with feeding network 2, and radio frequency socket 3 is anchored on the bottom plate of feeding network 2, and radio frequency is inserted
Seat) inner wire electrically connects with the input of feeding network 2.
The working band of feeding network 2 can cover 1164MHz~1615.5MHz, and relative bandwidth is up to 33%, and microwave signal is by penetrating
Frequency socket, which is fed into after feeding network 2, completes power distribution, final feed-in spiral radiation body 1.
In addition, radio frequency socket 3 completes the input function of microwave signal.
Therefore, using the antenna of the present invention, microwave signal is by radio frequency socket feed antenna network, and this aerial network is that work(point is moved
Phase network, the signal that radio frequency socket is fed is divided into amplitude is equal, and adjacent two paths of signals phase differs the road signals of 90 Du tetra- successively,
Encourage four spiral radiation bodies respectively, spiral radiation body respectively by four tunnel amplitudes are equal, phase differ 90 degree of signal successively
Excitation, forms circular polarization radiation.Spiral radiation body and four-point feed symmetry intrinsic in structure are conducive to improving antenna phase
Position centre stability.
The extensive use already in microwave system of Wilkinson power splitters, but traditional Wilkinson power splitter phase bandwidths
The requirement can not be met, and the present invention uses a kind of modified Schiffman phase shifters to realize broadband phase shift.Specifically,
Feeding network schematic diagram is as shown in Figure 3.
Fig. 4~Fig. 5 sets forth feeding network amplitude and phase simulation result, from the point of view of simulation result,
In 1.15GHz~1.62GHz frequency bands, four port amplitude simulation results are -6.25 ± 0.3dB, and phase simulation result shows feeding network
The phase shift function that adjacent two paths of signals phase differs 90 degree successively is realized, phase deviation is within ± 5 degree.
Fig. 6~Figure 10 sets forth working frequency for 1.15GHz, 1.227GHz, 1.4GHz, 1.575GHz, 1.615GHz
Antenna gain patterns simulation result, as can be seen from the figure under these main applying frequencies, in 1.15GHz~1.4GHz
Under frequency, in the range of antenna gain ± 60 degree >=-1dBi, and under 1.4GHz~1.615GHz frequencies, antenna gain ± 60 degree
In the range of >=1.5dBi.Figure 11 gives 1.15GHz~1.62GHz frequency bands standing internal wave than simulation result, as can be seen from the figure stays
Bob ＜ 1.5.
Figure 12~Figure 14 gives the phase centre stability simulation result of several typical frequencies, is as can be seen from the figure led at these
Want under applying frequency, antenna phase center stability is within ± 1.5mm.
Do not specified in the present invention and partly belong to techniques known.
Claims (9)
1. primary satellite navigation frequency range is completely covered in a kind of satellite positioning navigation antenna, its bandwidth of operation, broadband work is met
The requirement of work and high low elevation gain, it is characterised in that including：Spiral radiation body, feeding network and radio frequency socket,
Wherein, the spiral radiation body is threadedly coupled with the feeding network, and the radio frequency socket is anchored on the transmission network
On the bottom plate of network, the inner wire of the radio frequency socket is electrically connected with the input of the feeding network.
2. satellite positioning navigation antenna according to claim 1, it is characterised in that the prime navaid positions frequency range and is
1164MHz~1615.5MHz.
3. satellite positioning navigation antenna according to claim 1, it is characterised in that the spiral radiation body is used for will
The microwave signal of the feeding network feed-in is radiate, so that circular polarization radiation is formed,
Wherein, the beam shape of the circular polarization radiation is adjusted by the parameter of the spiral radiation body.
4. satellite positioning navigation antenna according to claim 3, it is characterised in that the working band of the feeding network
Coverage is 1164MHz~1615.5MHz and relative bandwidth is 33%,
Wherein, the microwave signal is fed into the feeding network via the radio frequency socket, so as to complete power distribution simultaneously
Spiral radiation body described in final feed-in.
5. satellite positioning navigation antenna according to claim 3, it is characterised in that the radio frequency socket is used to perform institute
State the input of microwave signal.
6. satellite positioning navigation antenna according to claim 1, it is characterised in that the feeding network is work(point phase shift
Network and it is divided into that amplitude is equal, adjacent two paths of signals phase differs 90 successively for the microwave signal that feeds the radio frequency socket
The road signals of Du tetra-, so as to encourage the spiral radiation body respectively.
7. satellite positioning navigation antenna according to claim 6, it is characterised in that the work(point phase-shift network is used
It is modified Schiffman phase shifters, to realize broadband phase shift.
8. satellite positioning navigation antenna according to claim 6, it is characterised in that the spiral radiation body is used for
The amplitude is equal, adjacent two paths of signals phase differs form circular polarization radiation under the road signal excitations of 90 Du tetra- successively.
9. satellite positioning navigation antenna according to claim 1, it is characterised in that the spiral radiation body is in structure
It is upper that there is intrinsic symmetry, so as to be conducive to improving the stability of antenna phase center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069720.2A CN107026332A (en) | 2016-02-01 | 2016-02-01 | Satellite positioning navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069720.2A CN107026332A (en) | 2016-02-01 | 2016-02-01 | Satellite positioning navigation antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107026332A true CN107026332A (en) | 2017-08-08 |
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ID=59524255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610069720.2A Pending CN107026332A (en) | 2016-02-01 | 2016-02-01 | Satellite positioning navigation antenna |
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| Country | Link |
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| CN (1) | CN107026332A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978836A (en) * | 2017-12-21 | 2018-05-01 | 星际漫步（北京）航天科技有限公司 | Helical aerials system and its method of deploying for cube star |
| CN109546358A (en) * | 2017-09-22 | 2019-03-29 | 北京北斗星通导航技术股份有限公司 | A kind of omnidirectional's dual-antenna system |
| CN112397881A (en) * | 2020-09-30 | 2021-02-23 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN114662240A (en) * | 2022-04-01 | 2022-06-24 | 中国人民解放军战略支援部队航天工程大学 | Plasma antenna determination method and system applied to satellite navigation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070139293A1 (en) * | 2005-12-19 | 2007-06-21 | Samsung Electronics Co., Ltd. | Complex antenna |
| CN102780091A (en) * | 2012-07-31 | 2012-11-14 | 华南理工大学 | Circular polarization spiral antenna with high low elevation gain |
| CN103022646A (en) * | 2012-12-06 | 2013-04-03 | 北京遥测技术研究所 | Full-airspace-covering high-gain circularly polarized antenna |
-
2016
- 2016-02-01 CN CN201610069720.2A patent/CN107026332A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070139293A1 (en) * | 2005-12-19 | 2007-06-21 | Samsung Electronics Co., Ltd. | Complex antenna |
| CN102780091A (en) * | 2012-07-31 | 2012-11-14 | 华南理工大学 | Circular polarization spiral antenna with high low elevation gain |
| CN103022646A (en) * | 2012-12-06 | 2013-04-03 | 北京遥测技术研究所 | Full-airspace-covering high-gain circularly polarized antenna |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546358A (en) * | 2017-09-22 | 2019-03-29 | 北京北斗星通导航技术股份有限公司 | A kind of omnidirectional's dual-antenna system |
| CN107978836A (en) * | 2017-12-21 | 2018-05-01 | 星际漫步（北京）航天科技有限公司 | Helical aerials system and its method of deploying for cube star |
| CN107978836B (en) * | 2017-12-21 | 2024-03-22 | 星际漫步（北京）航天科技有限公司 | Helical antenna system for a cube star and method of deployment thereof |
| CN112397881A (en) * | 2020-09-30 | 2021-02-23 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN112397881B (en) * | 2020-09-30 | 2024-03-26 | 北京空间飞行器总体设计部 | GNSS antenna suitable for high orbit satellite orbit determination |
| CN114662240A (en) * | 2022-04-01 | 2022-06-24 | 中国人民解放军战略支援部队航天工程大学 | Plasma antenna determination method and system applied to satellite navigation system |
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Application publication date: 20170808 |