CN106025574B - A kind of Sidelobe horizontal polarization flat plate array antenna - Google Patents
A kind of Sidelobe horizontal polarization flat plate array antenna Download PDFInfo
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- CN106025574B CN106025574B CN201610487674.8A CN201610487674A CN106025574B CN 106025574 B CN106025574 B CN 106025574B CN 201610487674 A CN201610487674 A CN 201610487674A CN 106025574 B CN106025574 B CN 106025574B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The present invention proposes a kind of Sidelobe horizontal polarization flat plate array antenna, including several radiating elements, feeder line, feed port；Radiating element uses square opening diameter waveguide radiator；Antenna synthesis network divides stratified form using the flat wave guide power of abnormity：First layer synthesis network in the azimuth direction synthesizes radiating element two-by-two；The delivery outlet that first layer is synthesized network by second layer synthesis network in the pitch direction synthesizes two-by-two；The delivery outlet that the second layer is synthesized network by third layer synthesis network according to the amplitude proportional of setting in the azimuth direction synthesizes two-by-two；The amplitude proportional set gradually increases to carry out amplitude proportional taper in azimuth direction from centre position to the two side position ranges of decrease；The 4th laminated delivery outlet that third layer is synthesized to network at network synthesizes a feed port and using the feedback of coaxial probe bottom.The present invention meets minor level at least 17dB index requests lower than main lobe level, meets vehicle-mounted, airborne or portable requirement, at the same have the characteristics that it is at low cost, exempt from debugging, convenient for batch production.
Description
Technical field
The present invention relates to antenna design techniques field, specially a kind of Sidelobe horizontal polarization flat plate array antenna, is one
Kind is suitable for the flat plate array antenna being operated under complicated ground electromagnetic environment.
Background technology
With the development of electronic information technology, the electromagnetic environment around airport becomes increasingly complex, and electromagnetic interference threatens more next
It is more serious, so that the problems such as will appear radio-electronic equipment cisco unity malfunction, communication failure.With the development of technology,
Low sidelobe array antenna has become the high-performance electric subsystem effectively to work in having serious atural object and electromagnetic interference environment
One important component.
Currently, the application with small drone is more and more extensive, traditional air traffic control radar is to small drone, flying bird etc.
The surveillance coverage of Miniature Vehicle target is insufficient, increasing to the threat of normal takeoff and landing.It is black in order to cope with small drone
Fly, the threat to takeoff and landing such as flying bird, needs to design a kind of high-gain, Sidelobe, low noise, exempt from debugging, be directed toward accurately
Antenna, at the same it is quick for ease of use, it is at low cost, it is desirable to be able to meet vehicle-mounted, airborne or portable requirement.
Invention content
The purpose of the present invention is to propose to a kind of high-gain, Sidelobe, low noise, exempt from debugging, direction accurately Sidelobe water
Mean pole flat plate array antenna, index request minor level at least 17dB lower than main lobe level, the antenna can be applied to airport
The complex electromagnetic environments such as control, low altitude airspace monitoring.And require that antenna structure is simple, compact, meet it is vehicle-mounted, airborne or
Portable requirement, at the same require it is at low cost, exempt from debugging, convenient for batch production the features such as.
The technical scheme is that：
A kind of Sidelobe horizontal polarization flat plate array antenna, it is characterised in that：Including several radiating elements, feeder line,
Feed port；
The radiating element uses square opening diameter waveguide radiator；
The antenna synthesis network of the Sidelobe horizontal polarization flat plate array antenna is using the flat wave guide power point layering shape of abnormity
Formula：First layer synthesis network after radiating element in the azimuth direction synthesizes radiating element two-by-two；The second layer synthesizes network
The delivery outlet that first layer is synthesized to network in the pitch direction synthesizes two-by-two；Third layer synthesis network is in the azimuth direction according to setting
The delivery outlet that the second layer is synthesized network by fixed amplitude proportional synthesizes two-by-two；The amplitude proportional set as azimuth direction into
Line amplitude ratio taper gradually increases from centre position to the two side position ranges of decrease；4th it is laminated at network by third layer polymer fabric
The delivery outlet of network synthesizes a feed port and using the feedback of coaxial probe bottom.
Further preferred embodiment, a kind of Sidelobe horizontal polarization flat plate array antenna, it is characterised in that：It is described low
Secondary lobe horizontal polarization flat plate array antenna uses 16 × 2 radiating element spread patterns, azimuth direction Unit 16,2 list of pitch orientation
Member.
Further preferred embodiment, a kind of Sidelobe horizontal polarization flat plate array antenna, it is characterised in that：First layer
Synthesis network is in the azimuth direction synthesized adjacent radiation unit with E-T connectors two-by-two, obtains 16 synthesis ports；Second is laminated
16 synthesis ports that first layer is synthesized to H-T connectors network in the pitch direction at network synthesize two-by-two, obtain 8 synthesis
Port；Third layer synthesizes network and uses H-T connectors that the second layer is synthesized to the 8 of network according to the amplitude proportional of setting in the azimuth direction
A synthesis port is adjacent to be synthesized two-by-two, obtains 4 synthesis ports；4th laminated 4 conjunctions that third layer is synthesized to network at network
A feed port is synthesized at port and using the feedback of coaxial probe bottom.
Further preferred embodiment, a kind of Sidelobe horizontal polarization flat plate array antenna, it is characterised in that：Third layer
The second layer is synthesized 8 of network synthesis port is adjacent by synthesis network according to the amplitude proportional of setting when synthesizing two-by-two, to second
The range of decrease of laminated 8 synthesis ports at network is followed successively by：-4.5dB、-3dB、-1.5dB、0dB、0dB、-1.5dB、-3dB、-
4.5dB。
Advantageous effect
Radiating element in the present invention uses square opening diameter waveguide radiator, with very high aperture field utilization ratio；
While in order to make feeder line that there is enough space layouts, lower insertion loss and good processing technology, day of the invention
Line synthesis network divides stratified form using the flat wave guide power of abnormity.In synthesizing network, bored by the amplitude proportional on azimuth direction
It cuts, makes antenna bearingt directional diagram the first minor level SLL satisfaction -17dB design requirements.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1：The antenna overall structure diagram of the present invention；
Fig. 2：Antenna synthesizes network diagram：
A) first layer synthesizes network, i.e. A-A shown in Fig. 1 layers of sectional view
B) second layer synthesizes network, i.e. B-B shown in Fig. 1 layers of sectional view
C) third layer synthesizes network, i.e. C-C shown in Fig. 1 layers of sectional view
D) the 4th is laminated at network, i.e. D-D shown in Fig. 1 layers of sectional view
Fig. 3：The faces E normalize antenna pattern when microwave dark room surveys 10.50GHz；
Fig. 4：The faces H normalize antenna pattern when microwave dark room surveys 10.50GHz；
Specific implementation mode
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to for explaining the present invention, and
It is not considered as limiting the invention.
The purpose of the present embodiment is to provide a kind of high-gain, Sidelobe, low noise, exempts from debugging, is directed toward accurately Sidelobe
Horizontal polarization flat plate array antenna meets minor level at least 17dB index requests lower than main lobe level so that the antenna can be with
Applied to complex electromagnetic environments such as airport control, low altitude airspace monitoring.And antenna structure is simple, compact, meet it is vehicle-mounted,
Airborne or portable requirement, at the same have the characteristics that it is at low cost, exempt from debugging, convenient for batch production.
As shown in Figure 1, the Sidelobe horizontal polarization flat plate array antenna in the present embodiment, including radiating element, feeder line, feedback
Electric port.According to beam angle index request, radiating element uses 16 × 2 unit spread patterns, azimuth direction in the present embodiment
Unit 16, pitch orientation Unit 2.Radiating element uses the square opening diameter waveguide antenna with very high aperture field utilization ratio
Device.
While in order to make feeder line that there is enough space layouts, lower insertion loss and good processing technology, day
Line synthesis network divides stratified form using the flat wave guide power of abnormity：
First layer synthesis network is in the azimuth direction synthesized adjacent radiation unit with E-T connectors two-by-two, obtains 16 conjunctions
At port, outlet is backward；The second layer synthesizes 16 synthesis that network uses H-T connectors that first layer is synthesized to network in the pitch direction
Port synthesizes two-by-two, obtains 8 synthesis ports, outlet is backward；Third layer synthesize network in the azimuth direction use H-T connectors according to
The second layer is synthesized 8 of network synthesis port is adjacent and synthesized two-by-two by the amplitude proportional of setting, obtains 4 synthesis ports, to
Certain amplitude proportional taper is realized in azimuth direction, and antenna bearingt directional diagram the first minor level SLL satisfactions -17dB is made to design
Requirement, the ranges of decrease for synthesizing 8 synthesis ports of network in the present embodiment to the second layer are followed successively by：-4.5dB、-3dB、-
1.5dB、0dB、0dB、-1.5dB、-3dB、-4.5dB；4th laminated 4 synthesis ports that third layer is synthesized to network at network
Synthesize a feed port and using the feedback of coaxial probe bottom.
The appearance and size for the Sidelobe horizontal polarization flat plate array antenna that the present embodiment obtains is 398X100X68, size list
Position is mm, fully meets vehicle-mounted, airborne or portable requirement.The faces E, H surface radiation directional diagrams when microwave dark room surveys 10.50GHz
Respectively as shown in attached drawing 3, Fig. 4, wherein in E surface radiations directional diagram：- 3dB beam angles：4.20 °, -6dB beam angles：
5.77 °, -10dB beam angles：7.14 °, the first secondary lobe of left side：- 18.92dB, the first secondary lobe of right side：-19.40dB；H surface radiations
In directional diagram, -3dB beam angles：29.57 °, -6dB beam angles：40.66 °, -10dB beam angles：49.87 °, left side
One secondary lobe：- 12.41dB, the first secondary lobe of right side：-11.74dB；Meet design requirement.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case of can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (2)
1. a kind of Sidelobe horizontal polarization flat plate array antenna, it is characterised in that：Including several radiating elements, feeder line, feed end
Mouthful；
The radiating element uses square opening diameter waveguide radiator；
The antenna synthesis network of the Sidelobe horizontal polarization flat plate array antenna divides stratified form using the flat wave guide power of abnormity：Spoke
The first layer synthesis network penetrated after unit in the azimuth direction synthesizes radiating element two-by-two；The second layer synthesizes network in pitching
The delivery outlet that first layer is synthesized to network on direction synthesizes two-by-two；Third layer synthesizes network in the azimuth direction according to the width of setting
The delivery outlet that the second layer is synthesized network by degree ratio synthesizes two-by-two；The amplitude proportional set as in azimuth direction into line amplitude
Ratio taper gradually increases from centre position to the two side position ranges of decrease；4th it is laminated at network by third layer synthesize network it is defeated
Outlet synthesizes a feed port and using the feedback of coaxial probe bottom；
The Sidelobe horizontal polarization flat plate array antenna uses 16 × 2 radiating element spread patterns, azimuth direction Unit 16 to bow
Face upward Unit 2, direction；
First layer synthesis network is in the azimuth direction synthesized adjacent radiation unit with E-T connectors two-by-two, obtains 16 synthesis ends
Mouthful；16 synthesis ports that first layer is synthesized network by second layer synthesis network with H-T connectors in the pitch direction synthesize two-by-two,
Obtain 8 synthesis ports；Third layer synthesizes network and uses H-T connectors according to the amplitude proportional of setting by the second layer in the azimuth direction
Port is adjacent synthesizes two-by-two for 8 of network synthesis of synthesis, obtains 4 synthesis ports；4th laminated synthesizes third layer at network
4 synthesis ports of network synthesize a feed port and using the feedback of coaxial probe bottom.
2. a kind of Sidelobe horizontal polarization flat plate array antenna according to claim 1, it is characterised in that：Third layer polymer fabric
The second layer is synthesized 8 of network synthesis port is adjacent by network according to the amplitude proportional of setting when synthesizing two-by-two, is synthesized to the second layer
The range of decrease of 8 synthesis ports of network is followed successively by：-4.5dB、-3dB、-1.5dB、0dB、0dB、-1.5dB、-3dB、-4.5dB.
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| CN201610487674.8A CN106025574B (en) | 2016-06-28 | 2016-06-28 | A kind of Sidelobe horizontal polarization flat plate array antenna |
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| CN201610487674.8A CN106025574B (en) | 2016-06-28 | 2016-06-28 | A kind of Sidelobe horizontal polarization flat plate array antenna |
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| CN106025574B true CN106025574B (en) | 2018-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107591611B (en) * | 2017-07-19 | 2020-12-29 | 电子科技大学 | Broadband circularly polarized high-isolation same-frequency and same-polarization transmitting-receiving antenna |
| CN108110436B (en) * | 2017-12-18 | 2024-02-06 | 江苏贝孚德通讯科技股份有限公司 | Waveguide feed network and waveguide array antenna |
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| US4527165A (en) * | 1982-03-12 | 1985-07-02 | U.S. Philips Corporation | Miniature horn antenna array for circular polarization |
| CN102064380A (en) * | 2010-10-26 | 2011-05-18 | 李峰 | Waveguide flat array antenna |
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN103956586A (en) * | 2014-05-04 | 2014-07-30 | 广东盛路通信科技股份有限公司 | Flat panel array antenna |
| US9184482B2 (en) * | 2011-12-06 | 2015-11-10 | Viasat, Inc. | Dual-circular polarized antenna system |
| CN205029021U (en) * | 2015-10-20 | 2016-02-10 | 上海航天测控通信研究所 | Open ended waveguide antenna array unit and system with calibrate function |
| CN105529524A (en) * | 2014-09-29 | 2016-04-27 | 北京天工开正科技有限责任公司 | Air filling-based parallel-plate waveguide structure array antenna |
-
2016
- 2016-06-28 CN CN201610487674.8A patent/CN106025574B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527165A (en) * | 1982-03-12 | 1985-07-02 | U.S. Philips Corporation | Miniature horn antenna array for circular polarization |
| DE3375867D1 (en) * | 1982-03-12 | 1988-04-07 | Electronique & Physique | Flat microwave antenna structure |
| CN102064380A (en) * | 2010-10-26 | 2011-05-18 | 李峰 | Waveguide flat array antenna |
| US9184482B2 (en) * | 2011-12-06 | 2015-11-10 | Viasat, Inc. | Dual-circular polarized antenna system |
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN103956586A (en) * | 2014-05-04 | 2014-07-30 | 广东盛路通信科技股份有限公司 | Flat panel array antenna |
| CN105529524A (en) * | 2014-09-29 | 2016-04-27 | 北京天工开正科技有限责任公司 | Air filling-based parallel-plate waveguide structure array antenna |
| CN205029021U (en) * | 2015-10-20 | 2016-02-10 | 上海航天测控通信研究所 | Open ended waveguide antenna array unit and system with calibrate function |
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