CN103855463B - Improve low elevation gain anti-interference antenna array - Google Patents
Improve low elevation gain anti-interference antenna array Download PDFInfo
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- CN103855463B CN103855463B CN201410076971.4A CN201410076971A CN103855463B CN 103855463 B CN103855463 B CN 103855463B CN 201410076971 A CN201410076971 A CN 201410076971A CN 103855463 B CN103855463 B CN 103855463B
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Abstract
The invention discloses a kind of raising low elevation gain anti-interference antenna array, it is characterized in that, it includes multiple antenna element and coaxial connector, coaxial connector is connected with antenna element, each antenna element mutually has certain interval, antenna element includes working medium radiation body, antenna pad, dielectric line plate and wiring board support, dielectric line plate is arranged on wiring board support, antenna pad is arranged between the reflecting surface of working medium radiation body and wiring board reflecting surface, and is connected as a single entity with gluing or welding manner.It is an advantage of the invention that the processing that low section gain antenna element isolation high, each height of each antenna element, the performance requirement meeting various dual-mode antenna and integrated design are brought is convenient, be suitable for batch production.
Description
Technical field
The present invention relates to antenna technical field, can be applicable to jamproof system more particularly to one
In, and each unit has the Beidou antenna array improving low section high-gain.
Background technology
In cruising missile Data-Link system, capacity of resisting disturbance and low section gain are all key indexs.
Array antenna technique is one of effective means of raising system rejection to disturbance ability further at present, therefore battle array
Array antenna technology application problem in cruising missile Data-Link system also becomes an emphasis.
It is applied to dipper system, the circular polarized antenna of GPS (global positioning system) at present, mostly uses
The antenna of import microwave board materials, realizes circular polarisation, small size performance.Although these antenna section
Low, miniaturization can be realized, but owing to microwave board antenna is expensive, its production technology is more complicated,
Dielectric constant distributing homogeneity is poor, and requirement on machining accuracy is higher, and is easily caused antenna after being heated
The deterioration of performance so that in large-scale array antenna design, application difficulty is big.
And inside Big Dipper jamproof system, antenna element performance except standing wave to be met, bandwidth of operation,
Outside axle ratio, in the actual test of antenna system, it is often more important that the gain of the low section of antenna to be met
Require and gain out-of-roundness requirement, but in array antenna design, each antenna of reflecting plate periphery
The reflecting surface of unit surrounding is impossible to symmetry, causes antenna element to be subject in the out-of-roundness of low section gain
To certain impact.
In view of above-mentioned situation, it is necessary to develop a kind of novel aerial array side for jamproof system
Case, it is provided that have that higher low section gain, gain out-of-roundness be poor than existing antenna, easily processing, one
The preferable aerial array of cause property.
Summary of the invention
A kind of each unit one that the purpose of the present invention is contemplated to solve the deficiency of prior art and provides
Body degree height, novel structure, handling ease, size also meets the low elevation angle of raising of small form factor requirements
Gain anti-interference antenna array.
The present invention is to use following technical solution to be attained in that the increasing of a kind of raising low elevation angle
Benefit anti-interference antenna array, it is characterised in that it includes multiple antenna element and coaxial connector, with
Mandrel connector is connected with antenna element, and each antenna element mutually has certain interval, antenna element
Including 1, working medium radiation body, 2, antenna pad, 3, dielectric line plate and 4, wiring board support,
Dielectric line plate is arranged on wiring board support, antenna pad be arranged on the reflecting surface of working medium radiation body with
Between wiring board reflecting surface, and it is connected as a single entity with gluing or welding manner.
Further illustrating as such scheme, in aerial array, multiple antenna elements arranges layout
For: centre, one antenna element is set as emission system, at least four is set in emission system surrounding
Antenna element is as the system of reception, and is provided as at the antenna element excircle as the system of reception
The antenna element of GPS, GLONASS integrated positioning system.
Described aerial array includes 11 antenna elements, and an antenna element D as center is arranged
The Big Dipper 1 generation emission system, the Big Dipper 1 generation emission system surrounding arranges 4 antenna element C, for the Big Dipper
System is received in 1 pickup, receives system excircle in the Big Dipper 1 pickup and arranges 6 antenna elements, two of which
Antenna element A arranges GPS, GLONASS integrated positioning system, and other 4 antenna element B are arranged
System is received in the Big Dipper 2 pickup.
Described 11 antenna elements are arranged in same circular base plate, the medium spoke of each antenna element
Beam is rectangular, and antenna element D is arranged on the center of circular base plate, 4 antenna element C and 4
Antenna element B constitutes the inner and outer rings distributed architecture centered by the circular base plate center of circle, 4 antenna lists
Unit B is cross distribution, and 4 antenna element C are separately positioned between each two antenna element B
Interval location, the inner side edge of 4 antenna element C is all connected with four corners of antenna element D, and two
Individual antenna element A is separately positioned on the antenna element in the outside to two angular distribution antenna element C
Interval location between B.
Spacing between described similar antenna element is half-wavelength.
Described coaxial connector is MCX adapter；Antenna element uses square patch corner cut and two point
Feed two ways realizes circular polarisation.
The antenna pad of described each antenna element uses long a width of 28mm*28mm, thickness be 2～
The metallic gasket of 6mm, can carry out antenna mount high, although antenna low section gain carries along with height
High trend from low to high increases, but after highly exceeding OK range, low section gain is deteriorated, therefore,
Metallic gasket maximum gauge not can exceed that 6mm.
The described Big Dipper 1 generation emission system uses the ceramic antenna of 28*28*4, and dielectric constant is 8-11；
The ceramic antenna of system unit 25*25*3 is received in the Big Dipper 1 pickup, and dielectric constant is 8；The Big Dipper 2 generation
The ceramic antenna of reception system 35*35*6, dielectric constant is 8-11；GPS, GLONASS combine
The ceramic antenna of position system unit 25*25*4, dielectric constant is 25.
The inner core of described coaxial connector is connected by dielectric line plate with working medium radiation body, medium
Radiant body, antenna pad are melted together by soldering with dielectric line plate, and sound construction is reliable, and
Antenna pad has via on feedback pin position, it is ensured that the radiating surface of working medium radiation body is anti-with antenna pad
Penetrate face isolation.
In described aerial array, the layout that arranges of multiple antenna elements is: centre arranges an antenna element
As receive-transmit system, in emission system surrounding, at least four antenna element is set as reception system.
The Big Dipper that antenna element is reception system and emission system stack combinations arranged in the middle of described is received
Send out antenna system, between reception system and emission system layer, metallic gasket is set；Described Big Dipper transmitting-receiving sky
Wire system uses the Big Dipper 1 generation dual-mode antenna, and surrounding receives the antenna element of system and uses the Big Dipper 2 pickup
Receive antenna.
The described antenna element as receive-transmit system is arranged on one with the antenna element as emission system
In circular base plate, the antenna element as receive-transmit system is arranged on the circular base plate center of circle, as launching system
The quantity of the antenna element of system is 4, centered by the circular base plate center of circle, and crossing distribution.
The present invention uses above-mentioned technical solution can reach to provide the benefit that:
The present invention uses the antenna basic structure as antenna array of Medium dielectric constant, and each list
Unit increases metallic gasket so that antenna realizes the performance indications of low section high-gain in each system, than
Gasket Antenna low section gain is not had all to improve 1～2DBi；Antenna performance is improved significantly,
Meet the requirement of anti-jamming array array antenna low section gain；And with the interval between band antenna unit
Close to half-wavelength, isolation between antennas significantly improves, and reduces intercoupling of antenna.Furthermore this antenna array
The design of column unit structure is suitable, and antenna handling ease is suitable for batch production；Relative with existing technology
According to, there is positive and obvious effect.
Accompanying drawing explanation
Fig. 1 is the cellular construction profile of inventive antenna array；
Fig. 2 is the population structure schematic diagram of inventive antenna array；
Fig. 3 is the population structure profile of inventive antenna array；
Fig. 4 is the unit not shimming radiation schematic diagram of inventive antenna array；
Fig. 5 is that the unit of inventive antenna array increases pad radiation schematic diagram；
Fig. 6 is the another kind of implementation of inventive antenna array；
Fig. 7 is the another kind of implementation structural representation of inventive antenna array.
Description of reference numerals: 1, antenna element；1-a, antenna element D；1-b, antenna element C；
1-c, antenna element A；1-d, antenna element B；1-1, working medium radiation body；1-2, antenna pad；
1-3, dielectric line plate；1-4, wiring board support；2, coaxial connector；3, circular base plate；4、
Reception antenna unit；5, transmission antenna unit；6, metallic gasket 7, antenna element；8-a、8-b、
8-c, 8-d, antenna element.
Detailed description of the invention
Below in conjunction with specific embodiment, specific embodiments of the present invention are described in further detail.
Embodiment 1
As shown in Figure 1-Figure 3, one of the present invention improves low elevation gain anti-interference antenna array, its bag
Including multiple antenna element 1 and coaxial connector 2, coaxial connector 2 is connected with antenna element 1, respectively
Individual antenna element 1 mutually has certain interval, and antenna element 1 includes working medium radiation body 1-1, sky
Line pad 1-2, dielectric line plate 1-3 and wiring board support 1-4, dielectric line plate 1-3 is arranged on
On wiring board support 1-4, the reflecting surface that antenna pad 1-2 is arranged on working medium radiation body is anti-with wiring board
Penetrate between face, and be connected as a single entity with gluing or welding manner.Wherein, working medium radiation body 1-1 uses spoke
Penetrating pottery, dielectric line plate uses PCB, and antenna pad is metallic gasket.In aerial array
The layout that arranges of multiple antenna elements is: centre arranges an antenna element as emission system, is sending out
The system surrounding of penetrating arranges at least four antenna element as reception system, and in the sky as the system of reception
Line unit excircle is provided as the antenna element of GPS, GLONASS integrated positioning system.
The present embodiment, is to apply the Beidou antenna battle array in flying missile Data-Link jamproof system
Row, are made up of 11 antenna elements and coaxial connector.An antenna element D1-a as center
Arranging the Big Dipper 1 generation emission system, the Big Dipper 1 generation emission system surrounding arranges 4 antenna element C1-b,
Receive system for the Big Dipper 1 pickup, receive system excircle in the Big Dipper 1 pickup and 6 antenna elements are set, its
In two antenna element A1-c GPS, GLONASS integrated positioning system, other 4 antennas are set
Unit B 1-d arranges the Big Dipper 2 pickup and receives system.The duty of this antenna array can cover simultaneously include
Dipper system, in interior multiple satellite systems, it is advantageous that: 1, the antenna element of same frequency it
Between be separated by the half-wavelength close to this operating frequency, make each isolation between antennas improve, reduce with frequency coupling；
2, antenna element D1-a is to launch antenna the Big Dipper 1 generation, and power output is relatively big, easily to each system
Reception antenna interferes, and therefore the insulation request of this unit antenna element each to antenna array is high, and
Elevation gain is required strict by this unit, therefore is allowed to be put in centre position, it is ensured that each unit antenna and sky
The distance of line cells D 1-a.Additionally, due to antenna element at center, padded by pad, reflectingly
Symmetrically, antenna element D1-a is made to have the out-of-roundness that other schemes do not possess in present design
Advantage and elevation gain advantage；3, crucial antenna element C1-b tetra-unit and antenna element B1-d
Unit four form the primary body of this anti-interference antenna battle array simultaneously, and its cross omnidirectional distribution design advantage exists
In: each antenna is in the state of working alone, and antenna array has the comprehensive suppression interference performance without dead angle,
Elevation gain is the biggest, and the quenchable interference range of antenna array is the widest;4, the reception antenna of multisystem is altogether
With work, through the contrast of multi-group data, make the interference Signal Fail of single-frequency, strengthen antenna array
Capacity of resisting disturbance.
Described 11 antenna elements are arranged in same circular base plate 3, the medium of each antenna element
Radiant body is rectangular, and antenna element D1-a is arranged on the center of circular base plate, 4 antenna element C1-b
The inner and outer rings distributed architecture centered by the circular base plate center of circle is constituted with 4 antenna element B1-d,
4 antenna element B1-d are cross distribution, and 4 antenna element C1-b are separately positioned on every two
Interval location between individual antenna element B1-d, the inner side edge of 4 antenna element C all with antenna list
Four corners of unit D connect, and two antenna element A1-c are separately positioned in angular distribution two
Interval location between the antenna element B in the outside of antenna element C.Each antenna element is all taked
Work alone with ceramic radiation material, and mutually there is certain interval, it is ensured that isolation.
Spacing between similar antenna element is half-wavelength.
Shown in Figure 1, coaxial connector inner core is connected by dielectric line plate with radiation ceramic.
Radiation ceramic, metallic gasket are melted together by high temperature soldering with dielectric line plate, and sound construction is reliable.
And metallic gasket has via on feedback pin position, it is ensured that aerial radiation face isolates with metal mirror.
The present invention select be dielectric constant be 11-15 ceramic material, thickness is 4mm, dielectric wire
Road plate is FR4 sheet material, and dielectric constant is 4.4.Coaxial connector is the MCX adapter of 50 ohm.
Antenna element employing square patch corner cut and two point feed two ways that this use is novel realize circle
Polarization.
A diameter of 230mm of circular base plate 3 of the present invention, shown in Fig. 2, antenna element A uses 25*25*4
Potsherd is as radiation fin A, and dielectric constant is 26, and antenna element B uses 35*35*6 potsherd to make
For radiation fin B, dielectric constant is 11；Antenna element C uses 25*25*4 as radiation fin C, is situated between
Electric constant is 9；Antenna element D employing 28*28*4 potsherd as radiation fin D, dielectric constant is
11.Owing to using ceramic material, antenna array scheme realizes the design of miniaturization.
Seeing shown in Fig. 4 Yu Fig. 5, aerial array unit performance is had and significantly changes by metallic gasket
Kind, Fig. 4 is the directional diagram not adding metallic gasket, and the gain of 20 degree of the elevation angle is-2.6～-3.5dBi；Figure
5 is the directional diagram adding metallic gasket, and the gain of 20 degree of the elevation angle is-0.9～-1.2dBi.Emulation is with reality
Use and all show, increase pad and antenna element performance is had clear improvement.Also it is inventive antenna array
The core of conceptual design.
Embodiment 2
As shown in Figure 6 and Figure 7, in the present embodiment, in aerial array, multiple antenna elements arranges cloth
Office is: centre arranges an antenna element 7 as receive-transmit system, arranges at least in emission system surrounding
Four antenna elements 8-a, 8-b, 8-c, 8-d are as the system of reception.The middle antenna element arranged
For receiving system and the Big Dipper dual-mode antenna system of emission system stack combinations, receive system and launch system
Between system layer, metallic gasket is set.
Fig. 6 is the top view of an alternate embodiment of the present invention, as the antenna list of receive-transmit system
Unit is arranged in a circular base plate, as the antenna of receive-transmit system with the antenna element as emission system
Unit is arranged on the circular base plate center of circle, and the quantity as the antenna element of emission system is 4, with circle
Centered by the center of circle, shape chassis, crossing distribution.
Surrounding antenna element belongs to the Big Dipper 2 generation reception antenna, and temporary location belongs to the Big Dipper 1 and withholds a sky
Line.Due to antenna array limited space in Fig. 6 scheme, this programme is real by 35*35 new ceramic material
The Miniaturization Design of system is received in the existing Big Dipper 2 pickup, makes antenna array form four in limited operating range single
Unit's cross orthogonal antenna battle array, it is ensured that beyond each isolation between antennas, moreover it is possible to realize comprehensive anti-interference.Ratio
Y type three-element aerial battle array suppression interference range is wider, more capacity of resisting disturbance.It is this programme at Fig. 7
Profile, shown in figure, reception antenna unit 4 become with transmission antenna unit 5 stack combinations north
Bucket dual-mode antenna system, carries out the optimization in performance by the solution of the present invention, and by metallic gasket 6
Realize.At least the gain of 20 degree of the elevation angle can be improved 1dB by the program, significantly improve sky linear
Energy.
Above-described is only the preferred embodiment of the present invention, it is noted that general for this area
For logical technical staff, without departing from the concept of the premise of the invention, it is also possible to make some changes
Shape and improvement, these broadly fall into protection scope of the present invention.
Claims (3)
1. one kind is improved low elevation gain anti-interference antenna array, it is characterised in that it includes multiple antenna element and coaxially connects
Connecing device, coaxial connector is connected with antenna element, and antenna element includes working medium radiation body, antenna pad, dielectric line plate and line
Road board mount, dielectric line plate is arranged on wiring board support, and antenna pad is arranged on reflecting surface and the circuit of working medium radiation body
Between plate reflecting surface, and it is connected as a single entity with gluing or welding manner；
Aerial array includes 11 antenna elements, and an antenna element D as center arranges the Big Dipper 1 generation emission system, north
The 1 generation emission system surrounding that struggles against arranges 4 antenna element C, receives system for the Big Dipper 1 pickup, receives system cylindrical in the Big Dipper 1 pickup
Arranging 6 antenna elements week, two of which antenna element A arranges GPS, GLONASS integrated positioning system, other 4 antennas
Unit B arranges the Big Dipper 2 pickup and receives system；
Described 11 antenna elements are arranged in same circular base plate, and the working medium radiation body of each antenna element is rectangular, antenna
Cells D is arranged on the center of circular base plate, 4 antenna element C and 4 antenna element B compositions
The inner and outer rings distributed architecture at center, 4 antenna element B are cross distribution, and 4 antenna element C are separately positioned on each two
Interval location between antenna element B, the inner side edge of 4 antenna element C is all connected with four corners of antenna element D, and two
Individual antenna element A is separately positioned on the gap digit between the antenna element B in the outside to two angular distribution antenna element C
Put；Coaxial connector is MCX adapter；Antenna element uses square patch corner cut and two point feed two ways to realize circle
Polarization；The inner core of described coaxial connector is connected by dielectric line plate with working medium radiation body, working medium radiation body, antenna pad
Sheet is melted together by soldering with dielectric line plate, and antenna pad has via on feedback pin position.
Raising low elevation gain anti-interference antenna array the most according to claim 1, it is characterised in that each described antenna
The antenna pad of unit all uses long a width of 28mm*28mm, and thickness is the metallic gasket of 2～6mm.
Raising low elevation gain anti-interference antenna array the most according to claim 2, it is characterised in that the described Big Dipper 1
Use the ceramic antenna of 28 mm * 28 mm * 4 mm for emission system, dielectric constant is 8-11；The Big Dipper 1 pickup is received system and is used
The ceramic antenna of 25 mm * 25 mm * 3 mm, dielectric constant is 8；System 35 mm * 35 mm * 6 are received in the Big Dipper 2 pickup
The ceramic antenna of mm, dielectric constant is 8-11；GPS, GLONASS integrated positioning system pottery of 25 mm * 25 mm * 4 mm
Porcelain antenna, dielectric constant is 25.
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| CN201410076971.4A CN103855463B (en) | 2014-03-04 | 2014-03-04 | Improve low elevation gain anti-interference antenna array |
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| CN201410076971.4A CN103855463B (en) | 2014-03-04 | 2014-03-04 | Improve low elevation gain anti-interference antenna array |
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| CN103855463B true CN103855463B (en) | 2016-08-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633572B (en) * | 2015-12-30 | 2020-04-21 | 航天恒星科技有限公司 | Multi-array element conformal antenna |
| CN108107453A (en) * | 2017-12-19 | 2018-06-01 | 陕西美星恒祺新能源科技有限公司 | A kind of array antenna is applied to the device of multi-mode satellite receiving device |
| CN110954924A (en) * | 2019-12-10 | 2020-04-03 | 上海航天控制技术研究所 | Integrated anti-interference design method for Beidou satellite terminal equipment |
| TWI765621B (en) * | 2021-03-25 | 2022-05-21 | 神準科技股份有限公司 | Dual feed antenna |
| CN114914716A (en) * | 2022-05-07 | 2022-08-16 | 中国电子科技集团公司第十研究所 | Beidou all-through integrated antenna |
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| US6061631A (en) * | 1997-07-03 | 2000-05-09 | Trimble Navigation, Ltd. | Hybrid approach for antenna baseline self-survey and line bias calibration using GPS carrier phase |
| CN102938492A (en) * | 2012-11-13 | 2013-02-20 | 北京遥测技术研究所 | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna |
| CN103531903A (en) * | 2013-11-04 | 2014-01-22 | 镇江中安通信科技有限公司 | Miniature multifrequency Beidou antenna |
| CN203800163U (en) * | 2014-03-04 | 2014-08-27 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of improving low elevation gain |
Family Cites Families (1)
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| US7505002B2 (en) * | 2006-12-04 | 2009-03-17 | Agc Automotive Americas R&D, Inc. | Beam tilting patch antenna using higher order resonance mode |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061631A (en) * | 1997-07-03 | 2000-05-09 | Trimble Navigation, Ltd. | Hybrid approach for antenna baseline self-survey and line bias calibration using GPS carrier phase |
| CN102938492A (en) * | 2012-11-13 | 2013-02-20 | 北京遥测技术研究所 | Three-dimensional embattled miniaturization self-adaptation satellite navigation antenna |
| CN103531903A (en) * | 2013-11-04 | 2014-01-22 | 镇江中安通信科技有限公司 | Miniature multifrequency Beidou antenna |
| CN203800163U (en) * | 2014-03-04 | 2014-08-27 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of improving low elevation gain |
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