CN108598717A - A kind of array antenna of wide band printed and poor power division network feed - Google Patents
A kind of array antenna of wide band printed and poor power division network feed Download PDFInfo
- Publication number
- CN108598717A CN108598717A CN201711492461.5A CN201711492461A CN108598717A CN 108598717 A CN108598717 A CN 108598717A CN 201711492461 A CN201711492461 A CN 201711492461A CN 108598717 A CN108598717 A CN 108598717A
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- CN
- China
- Prior art keywords
- network
- poor
- power division
- broadband
- poor power
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention proposes the array antenna of a kind of wide band printed and poor power division network feed.Including printing and poor power division network and broadband Weir aerial array；Printing and poor power division network include work(division into network and sum-difference network；Work(division is at the Wilkinson broadband power divider that network is strip lines configuration；The reception signal of each antenna element gives each input port of the work(division at network respectively in the Weir aerial array of broadband, and be respectively synthesized as two paths of signals by power division network, the two paths of signals after synthesis by sum-difference network and mouth and poor mouth output and signal and difference signal.Broadband Weir antenna is divided feeding network to be combined to form array antenna by the present invention with broadband and poor work(, can realize certain secondary lobe and zero angle measurement require deeply and poor.
Description
Technical field
The invention belongs to Radar Technology fields, and in particular to the array antenna of a kind of and poor measuring angle by comparing amplitude, more particularly to one
The array antenna of the wide band printed and poor power division network feed of kind.
Background technology
Various active interference are likely to occur in radar operating environment, it is therefore desirable to which interference knowledge is carried out to various active interference
Not.Enemy's interference machine information is received in order to detect, generally requires the angle information for knowing interference source.Common angle-measuring method has to be surveyed than width
Angle and than phase angle measurement.With the method for difference beam measuring angle by comparing amplitude using two-way output signal and poor closed correspondingly with Space Angle
System, arrival bearing is determined according to the difference of two-way output signal.Disturbance ecology antenna, which is then mainly used for detecing, to be received enemy's jammer and releases
The active interference information put, backup radar are anti-interference.
Generally have the characteristics that high-gain and poor direction finding precision are high with difference beam monopulse antenna for radar tracking.
This kind of antenna generally uses reflecting surface form, and required wave beam is obtained by waveguide form and poor feed.Such mode
The disadvantage is that working frequency range is narrow, simple beam narrower width, therefore coverage area is relatively narrow, is unfavorable for wave beam spatial domain and frequency domain search, and
Antenna and feed form are more heavy.In the case of needing relatively wide frequency band and being covered compared with broad beam, need design a kind of
Medium gain and poor amplitude-comparison monopulse antenna.
Invention content
For the narrow disadvantage in traditional reflective face monopulse antenna wave beam spatial domain and frequency domain coverage area, the present invention proposes a kind of
The array antenna of wide band printed and poor power division network feed divides broadband Weir aerial array and broadband and poor work(to feeding network
In conjunction with can realize certain secondary lobe and zero angle measurement require deeply and poor.
In order to solve the above technical problem, the present invention provides the array days of a kind of wide band printed and poor power division network feed
Line, including printing and poor power division network and broadband Weir aerial array；Printing and poor power division network include work(division into network
And sum-difference network；Work(division is at the Wilkinson broadband power divider that network is strip lines configuration；Broadband Weir aerial array
In the reception signal of each antenna element give each input port of the work(division at network respectively, and it is two to be respectively synthesized by power division network
Road signal, two paths of signals after synthesis by sum-difference network and mouth and poor mouth output and signal and difference signal.
Further, printing and poor power division network are crimped by three layers of dielectric-slab, respectively top dielectric plate, middle level medium
Plate, layer dielectric plate；Top dielectric plate upper surface and layer dielectric plate lower surface are metal floor, top dielectric plate lower surface and
Layer dielectric plate upper surface is without printed circuit；The circuitous pattern of the upper and lower surface printing and poor power division network of middle level dielectric-slab again.
Further, work(division has 16 tunnel input ports at network, wherein preceding 8 tunnel input port and poor mouth delivery outlet are located at
The upper surface of middle level dielectric-slab, rear 8 tunnel input port and the lower surface for being located at middle level dielectric-slab with mouth delivery outlet.
Further, sum-difference network couples electric bridge by 3dB and 180 ° of broadband more piece phase shifter cascades form, and 3dB couples electric bridge
Realize that the distribution of two paths of signals constant power, the output signal that 3dB is coupled electric bridge by 180 ° of broadband more piece phase shifters are synthesized, exported all the way
And signal, difference signal is exported all the way.
Further, be provided with isolating metal plate between the antenna element in broadband Weir aerial array, antenna element and
Isolating metal plate is each attached on metallic reflection backboard.
Further, each antenna element is connected by SMP-KK radio frequency connectors with the input port of printing and poor power division network.
Compared with prior art, the present invention its remarkable advantage is：
(1) and poor work(divides feeding network using printing strip lines configuration, and the structure type is simply light, easy to process；
(2) working band is wider, it can be achieved that 2 octaves, and the amplitude-phase consistency in mouth face is good；
(3) broad-band antenna is combined, lower secondary lobe (- 20dB) and lower zero deep (- 20dB) may be implemented；
(4) broad-band antenna is combined, can realize that the spatial domain covering of 5 ° of orientation, spatial domain coverage area are wider.
Description of the drawings
Fig. 1 is the array antenna schematic diagram of the wide band printed and poor power division network feed of the present invention.
Fig. 2 is the wide band printed and poor power division network stereoscopic schematic diagram in the present invention.
Fig. 3 is the wide band printed and poor power division network floor map in the present invention.
Fig. 4 is 16 yuan of Weir aerial array schematic diagrames in the present invention.
Fig. 5 is the array antenna feed and power division network amplitude distribution schematic diagram of the present invention.
Fig. 6 is the single Weir antenna schematic diagram in the present invention.
Specific implementation mode
It is readily appreciated that, technical solution according to the present invention, in the case where not changing the connotation of the present invention, this field
Those skilled in the art can imagine a variety of embodiment party of the array antenna that the wide band printed and poor power division network of the present invention is fed
Formula.Therefore, detailed description below and attached drawing are only the exemplary illustrations to technical scheme of the present invention, and are not to be construed as
The whole of the present invention is considered as limitation or restriction to technical solution of the present invention.
As shown in Figure 1, array antenna of the present invention includes printing and poor power division network 24 and Weir aerial array 25.
Printing and poor power division network 24 are as shown in Fig. 2, printing and poor power division network are crimped by three layers of dielectric-slab, respectively
For top dielectric plate 24-1, middle level dielectric-slab 24-2, layer dielectric plate 24-3.Top dielectric plate 24-1 and layer dielectric plate 24-3
5880 medium substrates of Rogers for being 0.787mm for thickness, top dielectric plate upper surface and layer dielectric plate lower surface are metal
Floor, top dielectric plate lower surface and layer dielectric plate upper surface are without printed circuit.It is 0.127 that middle level dielectric-slab 24-2, which is thickness,
5880 medium substrates of Rogers, the circuitous pattern of lower surface printing and poor power division network on it, and using printing strip line
Structure.
Printing and poor power division network include work(division into network 17 and sum-difference network 18.Work(division is band-like at network 17
The Wilkinson broadband power divider of cable architecture.To realize matching in broadband range, there are two byte wides not per power splitter all the way
Deng transmission line realize impedance transformation, operation wavelength centered on lengthWork(division at network 17 have 16 tunnel input ports 1~
16.Sum-difference network 18 couples electric bridge by 3dB and 180 ° of broadband more piece phase shifters cascades form, have and mouth delivery outlet 19 and
Poor mouth delivery outlet 20.3dB couples electric bridge and realizes the distribution of two paths of signals constant power.3dB is coupled electricity by 180 ° of broadband more piece phase shifters
The output signal of bridge synthesizes, and output and signal, export difference signal all the way all the way.Work(division at 8 tunnel input ports 1 before network 17~
8 and poor mouth delivery outlet 20 be located at the upper surface of middle level dielectric-slab, work(division at network 17 rear 8 tunnel input port 9~16 and
It is located at the lower surface of middle level dielectric-slab with mouth delivery outlet 19.16 tunnels input port 1~16 connect the input signal of antenna reception, pass through work(
Division synthesizes signal all the way at 17,1~8 tunnel input signal of network, and 9~16 input signal roads are combined into signal all the way.Two-way
Signal after synthesis by sum-difference network and mouth and poor mouth export two paths of signals and with difference.
Weir aerial array 25 is provided between antenna element as shown in figure 3, share 16 Weir antenna elements 21
Isolating metal plate 22, the directional diagram for improving antenna element make directional diagram in radiation normal direction without pit.Antenna element and isolation
Metallic plate is each attached on metallic reflection backboard 23.16 Weir antenna elements 21 by SMP-KK radio frequency connectors with and it is poor
16 tunnel input ports 1~16 of power division network are connected.Antenna element double-sided printing strip lines configuration, substrate select Rogers
Duroid 5880, dielectric constant 2.2, two layers of substrate crimping, per layer thickness 0.787mm.The working frequency range of array antenna is
6-12GHz, antenna element spacing are designed by d=23mm, antenna element number N=16.It is weighted using Taylor, by theory -25dB's
Secondary lobe designs, at this time the amplitude distribution of 16 units such as Fig. 4.Power division network amplitude distribution ratio is designed with this amplitude.Weir day
It is as follows that line parameter chooses optimization：Strip line character impedance is 50 Ω, line width W=1.27mm.Optimized to antenna by simulation software
The parameter that is affected of radiance：Fan-shaped radius R.Round hole diameter D, Antenna aperture AP, antenna length L, and refer to
Number curve Y, parametric equation y=c1·emx+c2。
Claims (6)
1. the array antenna of a kind of wide band printed and poor power division network feed, which is characterized in that including printing and poor power division network
With broadband Weir aerial array；Printing and poor power division network include work(division into network and sum-difference network；Work(division networking
Network is the Wilkinson broadband power divider of strip lines configuration；The reception signal of each antenna element point in the Weir aerial array of broadband
Each input port of the work(division at network is not given, and is respectively synthesized as two paths of signals by power division network, the two paths of signals after synthesis
By sum-difference network and mouth and poor mouth output and signal and difference signal.
2. the array antenna of according to claim 1 wide band printed and poor power division network feed, which is characterized in that printing and
Poor power division network is crimped by three layers of dielectric-slab, respectively top dielectric plate, middle level dielectric-slab, layer dielectric plate；Upper layer is situated between
Scutum upper surface and layer dielectric plate lower surface are metal floor, and top dielectric plate lower surface and layer dielectric plate upper surface are without print
Circuit processed；The circuitous pattern of the upper and lower surface printing and poor power division network of middle level dielectric-slab again.
3. the array antenna of according to claim 2 wide band printed and poor power division network feed, which is characterized in that work(division
There are 16 tunnel input ports at network, wherein preceding 8 tunnel input port and poor mouth delivery outlet are located at the upper surface of middle level dielectric-slab, and rear 8
Road input port and the lower surface for being located at middle level dielectric-slab with mouth delivery outlet.
4. the array antenna of according to claim 1 wide band printed and poor power division network feed, which is characterized in that and poor net
Network couples electric bridge by 3dB and 180 ° of broadband more piece phase shifter cascades form, and 3dB couples electric bridge and realizes two paths of signals constant power point
Match, the output signal that 3dB is coupled electric bridge by 180 ° of broadband more piece phase shifters synthesizes, all the way output and signal, and output difference is believed all the way
Number.
5. the array antenna of according to claim 1 wide band printed and poor power division network feed, which is characterized in that broadband prestige
It is provided with isolating metal plate between antenna element in your aerial array, antenna element and isolating metal plate are each attached to metal
In reflective back plane.
6. the array antenna of according to claim 5 wide band printed and poor power division network feed, which is characterized in that each antenna
Unit is connected by SMP-KK radio frequency connectors with the input port of printing and poor power division network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492461.5A CN108598717A (en) | 2017-12-30 | 2017-12-30 | A kind of array antenna of wide band printed and poor power division network feed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492461.5A CN108598717A (en) | 2017-12-30 | 2017-12-30 | A kind of array antenna of wide band printed and poor power division network feed |
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| Publication Number | Publication Date |
|---|---|
| CN108598717A true CN108598717A (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711492461.5A Pending CN108598717A (en) | 2017-12-30 | 2017-12-30 | A kind of array antenna of wide band printed and poor power division network feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541050A (en) * | 2020-05-31 | 2020-08-14 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Sum-difference dual-channel sidelobe suppression antenna |
Citations (4)
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| CN101626113A (en) * | 2009-08-20 | 2010-01-13 | 中国电子科技集团公司第三十八研究所 | Double-circle polarization and difference beam broadband corrugation horn feed antenna |
| CN101938305A (en) * | 2010-08-13 | 2011-01-05 | 四川九洲电器集团有限责任公司 | Amplitude and phase calibration method of phased array system receiving channel |
| US20140132473A1 (en) * | 2012-11-12 | 2014-05-15 | Raytheon Company | Dual Polarization Current Loop Radiator With Integrated Balun |
| CN107492719A (en) * | 2017-07-13 | 2017-12-19 | 中国人民解放军空军工程大学 | Work in X-band double-circle polarization difference beam and form network and its design method |
-
2017
- 2017-12-30 CN CN201711492461.5A patent/CN108598717A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626113A (en) * | 2009-08-20 | 2010-01-13 | 中国电子科技集团公司第三十八研究所 | Double-circle polarization and difference beam broadband corrugation horn feed antenna |
| CN101938305A (en) * | 2010-08-13 | 2011-01-05 | 四川九洲电器集团有限责任公司 | Amplitude and phase calibration method of phased array system receiving channel |
| US20140132473A1 (en) * | 2012-11-12 | 2014-05-15 | Raytheon Company | Dual Polarization Current Loop Radiator With Integrated Balun |
| CN107492719A (en) * | 2017-07-13 | 2017-12-19 | 中国人民解放军空军工程大学 | Work in X-band double-circle polarization difference beam and form network and its design method |
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| 张前悦 等: "一种L波段单脉冲天线的研制", 《弹箭与制导学报》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541050A (en) * | 2020-05-31 | 2020-08-14 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Sum-difference dual-channel sidelobe suppression antenna |
| CN111541050B (en) * | 2020-05-31 | 2021-04-06 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Sum-difference dual-channel sidelobe suppression antenna |
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Application publication date: 20180928 |