CN102938492A - Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna - Google Patents
Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna Download PDFInfo
- Publication number
- CN102938492A CN102938492A CN2012104538851A CN201210453885A CN102938492A CN 102938492 A CN102938492 A CN 102938492A CN 2012104538851 A CN2012104538851 A CN 2012104538851A CN 201210453885 A CN201210453885 A CN 201210453885A CN 102938492 A CN102938492 A CN 102938492A
- Authority
- CN
- China
- Prior art keywords
- array element
- auxiliary
- antenna
- main
- feeding network
- 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
Links
Images
Abstract
A three-dimensional embattled miniaturization self-adaptation satellite navigation antenna comprises an antenna main array element, a main array element floor, a main array element array element feeder line, a main array element support, an antenna auxiliary array element, an auxiliary array element through connection floor, an auxiliary array element feeder line, an array floor, a main array element transmission network printed board, a main array element transmission network box, a main array element socket, an auxiliary array element transmission network printed board, an auxiliary array element transmission network box and an auxiliary array element socket. The three-dimensional embattled miniaturization self-adaptation satellite navigation antenna enables three-dimensional embattled design to be carried out on an antenna array element and reduces same frequency range coupling interference between the main array element and the auxiliary array element and between auxiliary array elements while meeting miniaturization requirements. Compared with a common plane multi-array element self-adaptation antenna, the three-dimensional embattled design promotes various electrical property indexes of the main array element, guarantees self-adaptation zero-setting performance of the auxiliary array element, and is applicable to miniaturization self-adaptation satellite navigation equipment.
Description
Technical field
The invention belongs to satellite navigation and location system, particularly be applicable to the front end antenna of miniaturization adaptive navigation system.
Background technology
The self adaptation satellite navigation aerial is a kind of of smart antenna, can adjust in real time antenna pattern, forms zero at interference radiating way and falls into, and realizes airspace filter, thereby guarantees the transmitting-receiving of aerial signal.According to the operation principle of adaptive antenna, 1 N element array has N-1 the degree of freedom, can resist at most the interference from N-1 different directions.Increasing as improving signal to noise ratio of element number of array provides possibility, but increased simultaneously complexity, volume and the cost of array.Need to consider the factor compromise of this two aspect during actual design.
The array element that consists of adaptive array can be arranged by any-mode, but press normally that straight line is equidistant, circumference is equidistant or the equidistant arrangement in plane, and each array element has consistent orientation.Circle battle array is compared with linear array, has zero and falls into the comprehensive advantage such as controlled, and anti-jamming effectiveness is better, thereby more practical.Compare with the circle battle array, selected 1 array element of Y shape battle array is responsible for receiving signal as main array element; Other array element is auxiliary array element, is responsible for suppressing to disturb.Can adopt for the different characteristics of main array element and auxiliary array element more flexibly design like this.
Relative position between bay has a significant impact the performance of whole system.The too small meeting of array element distance causes serious mutual coupling phenomenon, and broaden the zero point that interference radiating way is formed, zero sunken shoaling.It is generally acknowledged that spacing should be not less than half-wavelength, in the practical application, antenna often installation dimension is limited, can not satisfy the requirement of spacing half-wavelength.Each array element is because be subject to the stronger mutual coupling of other array element in the circle battle array in this case, and the low elevation gain fluctuation is larger, even may affect the normal reception of signal in noiseless situation; Although the plane Y-shape battle array is symmetrical with respect to main array element structure, to suppressing the main array element low elevation gain to some extent benefit that fluctuates, each auxiliary array element and main array element distance further reduce, and mutual coupling is more strong.
Usually, self adaptation satellite navigation aerial array element can adopt the forms such as microstrip antenna form and dielectric resonator antenna, in the limited occasion of a lot of antenna sizes, planar array adopts the array element of these low sections, array element distance is seriously limited on the length and width direction on the one hand, and utilization ratio is also very low on short transverse on the other hand.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, the miniaturization self adaptation satellite navigation aerial that provides a kind of solid to structure the formation, make the structure of self adaptation satellite navigation aerial be tending towards miniaturization, solved mutual coupling problem in the mini self-adaptive array and the problem of main array element performance improvement.
Technical solution of the present invention is: the miniaturization self adaptation satellite navigation aerial that solid is structured the formation comprises antenna master array element, main array element floor, main array element feed line, main array element support, the auxiliary array element of antenna, the auxiliary array element switching of antenna floor, auxiliary array element feed line, array floor, the printed board of main array element feeding network, main array element feeding network box, main array element socket, auxiliary array element feeding network printed board, auxiliary array element feeding network box, auxiliary array element socket; Antenna master array element is fixed on center, main array element floor, and main array element floor is fixedly connected on the main array element support; Main array element support is fixedly connected on center, array floor; The auxiliary array element of antenna is fixedly connected on the auxiliary array element switching of the antenna floor; The auxiliary array element switching of antenna floor is fixedly connected on the array floor; Main array element feed line uses coaxial half steel cable, and its two ends are welded in respectively the feedback point place of antenna master array element and the feedback point place of main array element feeding network printed board; The two ends of auxiliary array element feed line are welded in respectively the feedback point place of the auxiliary array element of antenna and the feedback point place of auxiliary array element feeding network printed board; The printed board of main array element feeding network is encapsulated in the main array element feeding network box, and auxiliary array element feeding network printed board is encapsulated in the auxiliary array element feeding network box; Main array element feeding network box and auxiliary array element feeding network box all are encapsulated in the array floor; Main array element socket is equipped with in the lower end of main array element feeding network box, and auxiliary array element socket is equipped with in the lower end of auxiliary array element feeding network box; Antenna master array element, main array element floor, main array element feed line, the printed board of main array element feeding network, main array element feeding network box, main array element socket receive external signal as main receiving element; Antenna assists array element, the auxiliary array element switching of antenna floor, auxiliary array element feed line, auxiliary array element feeding network printed board, auxiliary array element feeding network box, auxiliary array element socket as auxiliary anti-interference unit, suppresses interference signal; Auxiliary anti-interference number of unit is no less than 3, and evenly distributes around the center on array floor.
Described antenna master array element can adopt microstrip antenna or dielectric resonator antenna.
The auxiliary array element of described antenna can adopt microstrip antenna or dielectric resonator antenna.
Described antenna master array element adopts the mode of Reflow Soldering to be fixed on center, main array element floor.
Described main array element feeding network box and auxiliary array element feeding network box all adopt the metal box of sealing.
The present invention's advantage compared with prior art is:
1, by center main array element support, guarantee that main array element is not subjected to the strong mutual coupling of other array element, improved the Electrical Indexes of main array element, guarantee the navigation antenna installation dimension strict when limited antenna master array element can normally search star.
2, effectively utilize the space, widened the spacing of the especially main array element of each array element distance and each auxiliary array element, reduced mutual coupling existing between elements.And the array element n-point feed has been improved the stability of low elevation gain.
3, when possessing above-mentioned advantage, kept the cramped construction of adaptive array.
Description of drawings
Fig. 1 is contour structures schematic diagram of the present invention;
Fig. 2 is the present invention's profile vertically.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the miniaturization self adaptation satellite navigation aerial that solid of the present invention is structured the formation comprises antenna master array element 1, main array element floor 2, main array element feed line 3, main array element support 4, the auxiliary array element 5 of antenna, the auxiliary array element switching of antenna base plate 6, auxiliary array element feed line 7, array floor 8, main array element feeding network printed board 9, main array element feeding network box 10, main array element socket 11, auxiliary array element feeding network printed board 12, auxiliary array element feeding network box 13, auxiliary array element socket 14;
The substrate of the auxiliary array element 5 of antenna master array element 1 and antenna all adopts the material of high-k to reduce the array element size; The form that each array element is adopted two point feed or n-point feed is improved the degree of fluctuation of array element low elevation gain simultaneously to remedy high dielectric constant material to the impact of bandwidth; Each array element feed orientation unanimously distributes around central shaft; Adopt support to place suitable height to increase the spacing of main array element and each auxiliary array element main array element at center, array floor, the height of support is decided by applied environment, although the lifting bracket height is conducive to further to reduce the coupling between main array element and each auxiliary array element, but can take more solid spaces simultaneously, and reduce the adaptive capacity of antenna to mechanical environment.Three-dimensional array structure is symmetric design to main array element, has effectively guaranteed every electrical performance indexes such as low elevation gain of main array element.Main array element support 4 material therefors can be selected metal or medium according to circumstances, and the diameter of main array element support 4 can have direct impact to the directional diagram of auxiliary array element, should under the prerequisite that guarantees the structural strength that the application scenario is required, reduce as far as possible this size.The size on the main array element floor 2 on the main array element support 4 should be moderate, and the radiation of the auxiliary array element 5 of lower floor's antenna is blocked in oversize meeting, undersized then be not enough to guarantee antenna master array element 1 good electrically.
Antenna master array element 1 adopts two point feed or n-point feed to realize circular polarization and to improve the stability of low elevation gain.Main array element feed line 3 uses coaxial half steel cable, the top is peelled off crust and medium and is partly passed main array element floor 2 to feed place and fix, and from main array element support 4 interior past downward-extensions, the corresponding feed placement of main array element feed printed board 9 is fixed in the bottom, exports from main array element socket 11 behind main array element feeding network box 10.
Antenna master array element 1 adopts the form of Reflow Soldering to be welded in respectively main array element floor 2 with the auxiliary array element 5 of antenna and assists on the array element switching floor 6 with antenna.Main array element feeding network printed board 9 and auxiliary array element feeding network printed board 12 in the array floor 8 can be designed as the form integrated with low noise amplifier.
Antenna assists array element 5, the auxiliary array element switching of antenna floor 6, auxiliary array element feed line 7, auxiliary array element feeding network printed board 12, auxiliary array element feeding network box 13, auxiliary array element socket 14 as one group of device, and this group device is used for anti-interference; In general, this device group number is no less than 3 groups, and evenly distributes around 8 centers, array floor when arranging as far as possible.
The content that is not described in detail in the specification of the present invention belongs to those skilled in the art's known technology.
Claims (5)
1. three-dimensional miniaturization self adaptation satellite navigation aerial of structuring the formation is characterized in that: comprise antenna master array element (1), main array element floor (2), main array element feed line (3), main array element support (4), antenna is assisted array element (5), the auxiliary array element switching of antenna floor (6), auxiliary array element feed line (7), array floor (8), main array element feeding network printed board (9), main array element feeding network box (10), main array element socket (11), auxiliary array element feeding network printed board (12), auxiliary array element feeding network box (13), auxiliary array element socket (14); Antenna master array element (1) is fixed on center, main array element floor (2), and main array element floor (2) is fixedly connected on the main array element support (4); Main array element support (4) is fixedly connected on center, array floor (8); Antenna assists array element (5) to be fixedly connected on the auxiliary array element switching floor of antenna (6); The auxiliary array element switching floor of antenna (6) is fixedly connected on the array floor (8); Main array element feed line (3) uses coaxial half steel cable, and its two ends are welded in respectively the feedback point place of antenna master array element (1) and the feedback point place of main array element feeding network printed board (9); The two ends of auxiliary array element feed line (7) are welded in respectively the feedback point place of the auxiliary array element (5) of antenna and the feedback point place of auxiliary array element feeding network printed board (12); Main array element feeding network printed board (9) is encapsulated in the main array element feeding network box (10), and auxiliary array element feeding network printed board (12) is encapsulated in the auxiliary array element feeding network box (13); Main array element feeding network box (10) and auxiliary array element feeding network box (13) all are encapsulated in the array floor (8); Main array element socket (11) is equipped with in the lower end of main array element feeding network box (10), and auxiliary array element socket (14) is equipped with in the lower end of auxiliary array element feeding network box (13); Antenna master array element (1), main array element floor (2), main array element feed line (3), main array element feeding network printed board (9), main array element feeding network box (10), main array element socket (11) receive external signal as main receiving element; Antenna assists array element (5), the auxiliary array element switching of antenna floor (6), auxiliary array element feed line (7), auxiliary array element feeding network printed board (12), auxiliary array element feeding network box (13), auxiliary array element socket (14) as auxiliary anti-interference unit, suppresses interference signal; Auxiliary anti-interference number of unit is no less than 3, and evenly distributes around the center of array floor (8).
2. the solid according to claim 1 miniaturization self adaptation satellite navigation aerial device of structuring the formation, it is characterized in that: described antenna master array element (1) can adopt microstrip antenna or dielectric resonator antenna.
3. the solid according to claim 1 miniaturization self adaptation satellite navigation aerial device of structuring the formation, it is characterized in that: described antenna assists array element (5) can adopt microstrip antenna or dielectric resonator antenna.
4. the solid according to claim 1 miniaturization self adaptation satellite navigation aerial device of structuring the formation, it is characterized in that: described antenna master array element (1) adopts the mode of Reflow Soldering to be fixed on center, main array element floor (2).
5. the solid according to claim 1 miniaturization self adaptation satellite navigation aerial device of structuring the formation, it is characterized in that: described main array element feeding network box (10) and auxiliary array element feeding network box (13) all adopt the metal box of sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104538851A CN102938492A (en) | 2012-11-13 | 2012-11-13 | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104538851A CN102938492A (en) | 2012-11-13 | 2012-11-13 | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102938492A true CN102938492A (en) | 2013-02-20 |
Family
ID=47697374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104538851A Pending CN102938492A (en) | 2012-11-13 | 2012-11-13 | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102938492A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855463A (en) * | 2014-03-04 | 2014-06-11 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of increasing bottom elevation gains |
| CN104699876A (en) * | 2013-12-06 | 2015-06-10 | 南京理工大学 | Performance estimation method for multi-dimension multi-waveband cross-coupling antenna of antenna satellite platform |
| CN111541035A (en) * | 2020-04-17 | 2020-08-14 | 河北晶禾电子技术股份有限公司 | GNSS intelligent antenna arrangement optimization method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677749A (en) * | 2004-03-29 | 2005-10-05 | 王氏电-光公司 | Broadband/multi-band circular array antenna |
| CN101060199A (en) * | 2007-05-10 | 2007-10-24 | 北京航空航天大学 | A design method for compact and lamination structure microstrip antenna integrated with the receiving and sending functions |
| CN202221815U (en) * | 2011-09-09 | 2012-05-16 | 中国航天科工集团第三研究院第八三五七研究所 | Small-sized multi-unit anti-interference Beidou satellite navigation system antenna array |
-
2012
- 2012-11-13 CN CN2012104538851A patent/CN102938492A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677749A (en) * | 2004-03-29 | 2005-10-05 | 王氏电-光公司 | Broadband/multi-band circular array antenna |
| CN101060199A (en) * | 2007-05-10 | 2007-10-24 | 北京航空航天大学 | A design method for compact and lamination structure microstrip antenna integrated with the receiving and sending functions |
| CN202221815U (en) * | 2011-09-09 | 2012-05-16 | 中国航天科工集团第三研究院第八三五七研究所 | Small-sized multi-unit anti-interference Beidou satellite navigation system antenna array |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699876A (en) * | 2013-12-06 | 2015-06-10 | 南京理工大学 | Performance estimation method for multi-dimension multi-waveband cross-coupling antenna of antenna satellite platform |
| CN104699876B (en) * | 2013-12-06 | 2018-05-29 | 南京理工大学 | The Performance Prediction method of the more sizes of antenna satellite platform, multiband mutual coupling antenna |
| CN103855463A (en) * | 2014-03-04 | 2014-06-11 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of increasing bottom elevation gains |
| CN103855463B (en) * | 2014-03-04 | 2016-08-17 | 深圳市朗赛微波通信有限公司 | Improve low elevation gain anti-interference antenna array |
| CN111541035A (en) * | 2020-04-17 | 2020-08-14 | 河北晶禾电子技术股份有限公司 | GNSS intelligent antenna arrangement optimization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102110910B (en) | Indoor dual-polarized omnidirectional antenna | |
| CN103703620A (en) | Wideband dual-polarization array antenna and base station | |
| CN204011731U (en) | Complex media microstrip antenna | |
| CN203850423U (en) | Wideband dual-polarization oscillator | |
| CN203826542U (en) | Broadband dual polarization radiation unit and antenna | |
| CN203967254U (en) | Double polarization array antenna unit and low section high-isolation MIMO antenna | |
| US10727596B2 (en) | Antenna structure | |
| US20230089116A1 (en) | Antenna system for small form factor | |
| CN102938492A (en) | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna | |
| CN102904011A (en) | Balance microstrip line transition full-mode dual-ridged integrated waveguide feed dipole printed antenna | |
| CN102969557B (en) | Vivaldi antenna array | |
| CN106067591B (en) | Antenna assembly | |
| CN208637571U (en) | A kind of MIMO airborne antenna using WiFi and LTE | |
| CN105449353A (en) | Omnidirectional ceiling antenna | |
| CN204144439U (en) | The double-deck double frequency round polarized antenna of double-fed of center short circuit | |
| CN202905935U (en) | Small high-performance chip antenna | |
| CN201294261Y (en) | Built-in double-layer antenna | |
| CN205141131U (en) | High -gain end -fire conformal antenna and antenna array | |
| CN202817192U (en) | Ultrashort wave plate-shaped antenna | |
| CN202013951U (en) | Multi-frequency range combined vehicle-mounted antenna | |
| CN220731780U (en) | Miniaturized indoor combined omnidirectional antenna | |
| CN204391275U (en) | Low section lightness E microstrip | |
| CN204144438U (en) | The double-deck double frequency round polarized antenna of double-fed | |
| CN103208674A (en) | Integrated directional multi-frequency printed circuit board (PCB) antenna | |
| CN205069854U (en) | Ceiling antenna of ultrabroad band qxcomm technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |