CN106356617A - Crescent arc distribution loaded double-frequency circularly-polarized multi-feed microstrip antenna for Beidou navigation systems - Google Patents
Crescent arc distribution loaded double-frequency circularly-polarized multi-feed microstrip antenna for Beidou navigation systems Download PDFInfo
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- CN106356617A CN106356617A CN201610833517.8A CN201610833517A CN106356617A CN 106356617 A CN106356617 A CN 106356617A CN 201610833517 A CN201610833517 A CN 201610833517A CN 106356617 A CN106356617 A CN 106356617A
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- microstrip antenna
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- circular arc
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- 230000005855 radiation Effects 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 abstract description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- 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
- H01Q5/10—Resonant antennas
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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Abstract
A crescent arc distribution loaded double-frequency circularly-polarized multi-feed microstrip antenna for Beidou navigation systems relates to a microstrip patch antenna, comprising a dielectric substrate; the upper surface of the dielectric substrate is provided with a square radiation patch, midpoints of four sides of the square patch are provided with semicircular grooves, a crescent branch is loaded outside each semicircular groove, the four crescent branches are rotationally symmetric, a crescent arc structure rotationally and symmetrically covers each of four corners of the rectangular path, and the edge and corners of the radiation patch may form two circuits unequal in resonant length to provide the double-frequency characteristic, the lower surface of the dielectric substrate is provided with a metal ground plate, four points axially deviating from the center by equal distances are provided with round holes, and the round holes are used for four coaxial feeds; the antenna has low echo loss, controllable gain and radiation characteristics, and high phase center stability, can meet polarization and multi-frequency characteristics, and is very suitable for Beidou satellite navigation systems.
Description
Technical field
The present invention relates to a kind of micro-strip paster antenna, especially relate to a kind of triones navigation system crescent moon circular arc distributed load
Presenting microstrip antenna double frequency round polarized more.
Background technology
Beidou satellite navigation system is the global positioning satellite and communication system that China voluntarily develops, with U.S. gps, Russia sieve
The GPS that this glonass shares with European galileo system compatible, and it is referred to as global four large satellites navigation systems
System.In 2015, China transmitted 4 big-dipper satellites of new generation, and Beidou navigation service is expanded from area operation to the whole world, in advance
Count the year two thousand twenty can realize comprehensively covering the whole world.Dipper system totally 35 Satellite Networkings realizing Service Global, wherein in the earth
There are 5 in stationary orbit, camber Earth's orbit has 30.Totally 35 Satellite Networkings are complete to realize service for dipper system
Ball, wherein has 5 on geostationary orbit, has 30 on camber Earth's orbit.The s frequency range of Beidou satellite navigation system
Working frequency range be 2491.75 ± 4.08mhz, the working frequency range of l frequency range is 1615.68 ± 4.08mhz, the work frequency of b1 frequency range
Section is 1561.098 ± 2.046mhz, and the working frequency range of b2 frequency range is 1207.52 ± 2.046mhz, and the working frequency range of b3 frequency range is
1268.52±10.23mhz.
Deepening continuously of airmanship is studied so that Beidou satellite navigation system obtains rapid development, in navigation industry
Middle accounting continuous improvement, increasing navigation product and system all adopted the technology of compatible Big Dipper frequency range, in the Big Dipper in 2015
Navigation system is expanded from the Asian-Pacific area to the whole world, and follow-up developments potentiality are very huge.Navigation terminal antenna passes as signal
The medium passed, is the critical component of satellite navigation system, and its performance quality affects especially big on navigation signal.Nowadays navigator
Volume is less and less, and part is also more and more narrower for antenna integrated sheltering oneself, and therefore monolithic antenna realizes multi-frequency Characteristic is non-the normally off
Key.
Satellite navigation system diversification, different navigation system is contended mutually in every technology, and China's big-dipper satellite is led
Boat system integral level improves constantly, and current navigation accuracy is suitable with gps, in future development, navigation system and other satellites
Navigation system, the compatible of each mobile communication system are mutually used, and the raising of navigation accuracy will advance Beidou satellite navigation system significantly
Commercialization.How the inexorable trend that the multifrequency of satellite antenna is compatible, hi-Fix is development, improve the bandwidth of antenna
Degree, compatible other communications band, raising Phase center stability are the key issues that the design solves.
Content of the invention
It is an object of the invention to provide a kind of return loss is low, gain and radiation characteristic is controlled, Phase center stability
Presenting microstrip antenna high triones navigation system crescent moon circular arc distributed load double frequency round polarized more.
The present invention is provided with medium substrate, is provided with square radiation patch in medium substrate upper surface, in square patch four
Side midpoint is arranged with semicircle groove, and each semicircle groove periphery respectively loads crescent moon minor matters, and four crescent moon minor matters rotations are right
Claim, be enclosed with a crescent moon arc structure four corners of rectangular patch are rotationally symmetrical, radiation patch edge and corner can be formed
The loop that two resonance lengths do not wait, is used for realizing dual frequency characteristics, is provided with metal ground plate in medium substrate lower surface, and on edge
Four points of axis runout center same distance set circular hole, and described circular hole is used for four coaxial feeds.
The change of the length of crescent moon circular arc minor matters and width can control the frequency ratio of double frequency.
Described medium substrate can adopt ceramic substrate, and relative dielectric constant can be 3～12.
Described medium substrate can using square medium substrate, the length of side of square medium substrate can for 50.0～
90.0mm, thickness can be 1.50～3.00mm.
Described square radiation patch can be using silver square radiation patch or copper square radiation patch.
Described metal ground plate can be using silver-colored earth plate or copper earth plate.
The length of side of described square radiation patch can be 25.0～48.0mm, and the arc subtended angle of described crescent moon arc structure can be
220～260 °, outer radius is 2.20～3.80mm, and inside radius can be 0.60～1.20mm.
Semicircle groove diameter in the middle part of described rectangular patch can be 2.60～5mm, and the arc subtended angle of described crescent moon minor matters can be
160 °～175 °, overall diameter can be 9.00～15.0mm, and interior diameter can be 6.00～9.00mm.
The distance at described four distributing points distance square radiation patch center can be 7.00～13.0mm, described distributing point
Diameter can be 0.80～1.00mm, distributing point penetrates the circular hole of substrate.
Load crescent moon minor matters to constitute using counterclockwise or clock-wise fashion.
The present invention is had the advantage that compared with conventional micro strip line
The present invention is realized circular polarisation multifrequency more in the form of present and realizes the broadening of circular polarisation bandwidth so that its transmission network
More preferably, Phase center stability improves network symmetry further.Introduce resonance minor matters loading technique and four feed structures come in fact
The multifrequency of existing triones navigation system terminal antenna and circular polarization characteristics.By loading crescent moon circular arc knot in four corners of radiation patch
Structure, and add a semicircle groove in the middle of the edge of square radiation patch, in groove, then load crescent moon minor matters, by
This forms two resonance lengths loop not etc. in marginal center and corner, and then realizes dual frequency characteristics.Can the compatible Big Dipper one
For s frequency range and Beidou II b3 frequency range, it is 2.478～2.509ghz in the operating frequency of s frequency range, absolute bandwidth is
0.031ghz, relative bandwidth is 1.24%, is 1.254～1.290ghz in the operating frequency of b3 frequency range, and absolute bandwidth is
0.036ghz, relative bandwidth is 2.83%.This antenna return loss is low, gain and radiation characteristic is controlled, Phase center stability
High, meet circular polarisation and multi-frequency Characteristic, be very suitable for Beidou satellite navigation system.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the side schematic view of the embodiment of the present invention.
Fig. 3 is the upper surface schematic diagram of the embodiment of the present invention.
Fig. 4 is the lower surface schematic diagram of the embodiment of the present invention.
Fig. 5 is return loss (s11) performance map of the embodiment of the present invention.
Fig. 6 is the axle of the 1.268ghz of the embodiment of the present invention than figure.
Fig. 7 is the axle of the 2.492ghz of the embodiment of the present invention than figure.
Fig. 8 is that the embodiment of the present invention is schemed in the axle ratio of b3 frequency band.
Fig. 9 is that the embodiment of the present invention is schemed in the axle ratio of s frequency band.
Figure 10 is the xoy face and xoz face gain pattern during embodiment of the present invention 1.268ghz.In fig .9, sat using pole
Mark system.
Figure 11 is the xoy face and xoz face gain pattern during embodiment of the present invention 2.492ghz.In Fig. 10, using pole
Coordinate system.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described.
In Fig. 1, mark 1 is upper surface good conductor layer, i.e. the radiation patch of upper surface, and in Fig. 2, mark 2 is high-performance ceramic
Medium substrate, in Fig. 2, mark 3 is lower surface good conductor layer, i.e. square earth plate.In Fig. 2, mark 4 is sma joint.
With reference to Fig. 1 and 3, the dielectric constant of medium substrate is 5.8, and medium substrate profile is square, length of side sub is 60 ±
0.1mm, thickness is 2.5 ± 0.1mm.The length of side of described square radiation patch is 40.6 ± 0.1mm, described crescent moon arc structure
Arc subtended angle for deg be 250 ± 1 °, outer radius yr2 be 3.0 ± 0.1mm, inside radius yr1 be 1.0 ± 0.1mm.Described semicircle is recessed
The diameter d3 of groove is 4 ± 0.1mm.The arc subtended angle of described crescent moon minor matters is 173 °, and overall diameter d1 is 10.0 ± 0.1mm, interior diameter
D2 is 8.4 ± 0.1mm.Described power feed hole center is 10.0 ± 0.1mm with square radiation patch centre distance px.
With reference to Fig. 2 and Fig. 4, figure described square earth plate length of side gnd is 60 ± 0.1mm.
Can be seen that inventive antenna with reference to Fig. 5 and realize return loss in the range of low frequency 1.254ghz-1.290ghz
S11 is less than -10db, and absolute bandwidth is 0.036ghz, and relative bandwidth is 2.83%, in the range of high frequency 2.4768～2.509ghz
Realize return loss s11 and be less than -10db, absolute bandwidth is 0.031ghz, relative bandwidth is 1.24%.
With reference to Fig. 6, it is the axle of antenna 1.268ghz than figure.
With reference to Fig. 7, it is the axle of antenna 2.492ghz than figure.
With reference to Fig. 8, it is the axle of antenna b3 frequency band than figure.
With reference to Fig. 9, it is the axle of antenna s frequency band than figure.
With reference to Figure 10, it is xoz face gain pattern and xoy face gain pattern during 1.268ghz.
With reference to Figure 11, it is xoz face gain pattern and xoy face gain pattern during 2.492ghz.
Generally this antenna have that dual frequency characteristics, structure be simple, gain and radiation characteristic is controlled, Phase center stability
High the advantages of.
Referring to table 1, table 1 give the manufacture mismachining tolerance of the present invention to antenna 1.268ghz impact situation.
Referring to table 2, table 1 give the manufacture mismachining tolerance of the present invention to antenna 2.492ghz impact situation.
Table 1
Note: data certain redundancy in table 1, there is certain relatedness between each parameter, provide is equalization characteristic, can root
According to demand
Optimum structural parameter, to complete particular design.
Table 2
Note: data certain redundancy in table 2, there is certain relatedness between each parameter, provide is equalization characteristic, can root
According to demand optimization
Structural parameters, to complete particular design.
Claims (10)
1. the microstrip antenna of feedback more than triones navigation system crescent moon circular arc distributed load double frequency round polarized is it is characterised in that be provided with medium base
Plate, is provided with square radiation patch in medium substrate upper surface, is arranged with semicircle groove at square patch four side midpoint, often
Individual semicircle groove periphery respectively loads crescent moon minor matters, and four crescent moon minor matters are rotationally symmetrical, in four corner rotations of rectangular patch
Symmetrically it is enclosed with a crescent moon arc structure, radiation patch edge and corner can form two resonance lengths loop not etc., use
In realizing dual frequency characteristics, it is provided with metal ground plate in medium substrate lower surface, and along the four of axis runout center same distance
Individual point sets circular hole, and described circular hole is used for four coaxial feeds.
2. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy and be that described medium substrate adopts ceramic substrate, relative dielectric constant is 3～12.
3. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy and be described medium substrate using square medium substrate.
4. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 3, it is special more
Levy be described square medium substrate the length of side be 50.0～90.0mm, thickness be 1.50～3.00mm.
5. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy and be described square radiation patch using silver square radiation patch or copper square radiation patch.
6. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy and be described metal ground plate using silver-colored earth plate or copper earth plate.
7. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy be described square radiation patch the length of side be 25.0～48.0mm.
8. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy be described crescent moon arc structure arc subtended angle be 220～260 °, outer radius be 2.20～3.80mm, inside radius be 0.60～
1.20mm.
9. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy a diameter of 2.60～5mm of semicircle groove being in the middle part of described rectangular patch, the arc subtended angle of described crescent moon minor matters can be 160 °
～175 °, overall diameter can be 9.00～15.0mm, and interior diameter can be 6.00～9.00mm.
10. present microstrip antenna triones navigation system crescent moon circular arc distributed load double frequency round polarized as claimed in claim 1, it is special more
Levy and be that the distance at the square radiation patch center of described four distributing points distance is 7.00～13.0mm, described distributing point straight
Footpath can be 0.80～1.00mm, and distributing point penetrates the circular hole of substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833517.8A CN106356617B (en) | 2016-09-20 | 2016-09-20 | Beidou Navigation System crescent moon circular arc distributed load double frequency round polarized presents microstrip antenna more |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833517.8A CN106356617B (en) | 2016-09-20 | 2016-09-20 | Beidou Navigation System crescent moon circular arc distributed load double frequency round polarized presents microstrip antenna more |
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| Publication Number | Publication Date |
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| CN106356617A true CN106356617A (en) | 2017-01-25 |
| CN106356617B CN106356617B (en) | 2019-02-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359414A (en) * | 2017-07-12 | 2017-11-17 | 成都雷电微力科技有限公司 | A kind of circular polarization microstrip antenna |
| CN108923122A (en) * | 2018-06-27 | 2018-11-30 | 河南安伏众电子科技有限公司 | A kind of circularly polarization microstrip array antenna with high-isolation based on electrical resonator |
| CN113013602A (en) * | 2019-12-19 | 2021-06-22 | 南京理工大学 | Low-profile wide-beam circularly-polarized microstrip antenna |
| CN113745825A (en) * | 2021-08-25 | 2021-12-03 | 电子科技大学 | Crescent fractal circular patch antenna |
| CN115275615A (en) * | 2022-06-08 | 2022-11-01 | 安徽师范大学 | Dual-band circularly polarized antenna for Beidou and GPS |
| CN117791096A (en) * | 2023-11-30 | 2024-03-29 | 极诺星空(北京)科技有限公司 | Light-weight wide-beam positioning antenna and manufacturing method thereof |
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2016
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| DE10027508A1 (en) * | 2000-06-06 | 2001-12-13 | Lutz Rothe | Dual-band sector antenna for mobile radio used in e.g. vehicle, includes sector-shaped conductive plate supported movably above other circular plate having arcuate slit, via a dielectric foam spacer |
| US20110134006A1 (en) * | 2009-12-08 | 2011-06-09 | National Defense University | Broadband circularly polarized annular ring slot antenna |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359414A (en) * | 2017-07-12 | 2017-11-17 | 成都雷电微力科技有限公司 | A kind of circular polarization microstrip antenna |
| CN108923122A (en) * | 2018-06-27 | 2018-11-30 | 河南安伏众电子科技有限公司 | A kind of circularly polarization microstrip array antenna with high-isolation based on electrical resonator |
| CN108923122B (en) * | 2018-06-27 | 2020-05-22 | 河南安伏众电子科技有限公司 | Circularly polarized microstrip array antenna with high isolation degree based on electric resonator |
| CN113013602A (en) * | 2019-12-19 | 2021-06-22 | 南京理工大学 | Low-profile wide-beam circularly-polarized microstrip antenna |
| CN113745825A (en) * | 2021-08-25 | 2021-12-03 | 电子科技大学 | Crescent fractal circular patch antenna |
| CN113745825B (en) * | 2021-08-25 | 2023-02-17 | 电子科技大学 | Crescent fractal circular patch antenna |
| CN115275615A (en) * | 2022-06-08 | 2022-11-01 | 安徽师范大学 | Dual-band circularly polarized antenna for Beidou and GPS |
| CN115275615B (en) * | 2022-06-08 | 2023-07-25 | 安徽师范大学 | Dual-band circularly polarized antenna for Beidou and GPS |
| CN117791096A (en) * | 2023-11-30 | 2024-03-29 | 极诺星空(北京)科技有限公司 | Light-weight wide-beam positioning antenna and manufacturing method thereof |
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| CN106356617B (en) | 2019-02-26 |
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