CN107689489A - A kind of millimeter wave Sidelobe microstrip antenna of semicircle bore - Google Patents
A kind of millimeter wave Sidelobe microstrip antenna of semicircle bore Download PDFInfo
- Publication number
- CN107689489A CN107689489A CN201610629277.XA CN201610629277A CN107689489A CN 107689489 A CN107689489 A CN 107689489A CN 201610629277 A CN201610629277 A CN 201610629277A CN 107689489 A CN107689489 A CN 107689489A
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- China
- Prior art keywords
- dielectric
- slab
- antenna
- microstrip
- floor
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention proposes a kind of millimeter wave Sidelobe microstrip antenna of semicircle bore, including floor, dielectric-slab, waveguide, dielectric-slab is located at floor panel structure top, and waveguide is located at floor bottom, arranged in dielectric-slab upper surface formed with Microstrip Planar Array Antennas, waveguide is fed to Microstrip Planar Array Antennas row；The floor and dielectric-slab are semicircular structure；Antenna element in the Microstrip Planar Array Antennas row is corner-fed patch form, and center is provided with narrow slit；Antenna element is distributed in dielectric-slab with grid arrangement form, and being connected on pitching by feeding network per a line antenna element ties up direction formation linear array；Direction is tieed up in pitching, a plurality of linear array is connected by a main feeder；The insulator is located at the center position of main feeder；Spacing between adjacent antenna units is a medium wavelength.The present invention is for that can be operated in millimere-wave band, based on semicircle bore and can realize the micro-strip antenna array of Sidelobe.
Description
Technical field
The invention belongs to micro-strip antenna array technical field, the mm-wave microstrip array antenna of semicircle bore is based particularly on
Row.
Background technology
Millimeter wave frequency band has the advantages that available bandwidth is wide, disturbed less, equipment volume is small, and millimeter wave antenna is in high speed satellite
Communication, gigabit level broadband digital transmission, radar, missile guidance etc. play an important role.Sidelobe is antenna
One of important indicator, increasingly it is valued by people in radar-reconnaissance tracking.It is relatively low under some specific function environments
Secondary lobe surmounted the indexs such as gain bandwidth, become Antenna Design first have to consider parameter.Traditional microstrip antenna array
Design Sidelobe is listed in often frequently with the arrangement mode of rectangular aperture, this array arrangement mode is in azimuth dimension and pitching dimension side
Upward number of unit is symmetrical, thus can relatively easily realize the design of Sidelobe.But in some special application scenarios, example
As in airborne or missile-borne radar, due to being limited by using size, antenna array bore must use circular or semicircle,
In this case, if aerial array can substantially reduce bore utilization rate, cause still in strict accordance with rectanglar arrangement mode
Gain reduction, performance impairment.
The content of the invention
Millimere-wave band can be operated in it is an object of the invention to provide one kind, based on semicircle bore and can realize Sidelobe
Micro-strip antenna array.
In order to solve the above-mentioned technical problem, the present invention provides a kind of millimeter wave Sidelobe microstrip antenna of semicircle bore, bag
Floor, dielectric-slab, waveguide are included, dielectric-slab is located at floor panel structure top, and waveguide is located at floor bottom, formed in dielectric-slab upper surface
There are Microstrip Planar Array Antennas row, waveguide is fed to Microstrip Planar Array Antennas row；The floor and dielectric-slab are tied to be semicircle
Structure；Antenna element in the Microstrip Planar Array Antennas row is corner-fed patch form, and center is provided with narrow slit；Antenna element is with grid
Arrangement form is distributed in dielectric-slab, and being connected on pitching by feeding network per a line antenna element ties up direction formation linear array；
Direction is tieed up in pitching, and a plurality of linear array is connected by a main feeder；The insulator is located at the center position of main feeder；Adjacent day
Spacing between line unit is a medium wavelength.
Further, in addition to insulator, insulator are used to connect waveguide and micro-strip flat plane antenna through floor and dielectric-slab
Array.
Further, every linear array and main feeder are weighted according to Taylor's distribution.
Compared with prior art, its remarkable advantage is the present invention, and Microstrip Planar Array Antennas row in (1) upper strata use semicircular opening
Footpath, more special occasion can be applied to；(2) antenna element is fully arranged in semicircle bore, possesses higher bore profit
With rate, higher gain was both ensure that, while Sidelobe can be realized.
Brief description of the drawings
Fig. 1 is the millimeter wave Sidelobe microstrip antenna side view of semicircle bore of the present invention.
Fig. 2 is the millimeter wave Sidelobe microstrip antenna top view of semicircle bore of the present invention.
Fig. 3 is the antenna element schematic diagram in the present invention.
Fig. 4 is antenna element antenna pattern in the present invention.
Fig. 5 is the radiation of azimuth dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 34.75GHz
Directional diagram.
Fig. 6 is the radiation side of azimuth dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 35GHz
Xiang Tu.
Fig. 7 is the radiation of azimuth dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 35.25GHz
Directional diagram.
Fig. 8 is the radiation of pitching dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 34.75GHz
Directional diagram.
Fig. 9 is the radiation side of pitching dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 35GHz
Xiang Tu.
Figure 10 is the spoke of pitching dimension when the millimeter wave Sidelobe microstrip antenna of semicircle bore of the present invention is operated in 35.25GHz
Penetrate directional diagram.
Figure 11 is the millimeter wave Sidelobe microstrip antenna structure top view in example 2 of semicircle bore of the present invention.
Embodiment
It is readily appreciated that, according to technical scheme, in the case where not changing the connotation of the present invention, this area
Those skilled in the art can imagine semicircle bore of the present invention millimeter wave Sidelobe microstrip antenna numerous embodiments.Cause
This, detailed description below and accompanying drawing are only the exemplary illustrations to technical scheme, and are not to be construed as this hair
Bright whole is considered as limitation or restriction to technical solution of the present invention.
Antenna array of the present invention is divided into upper, middle and lower-ranking.Upper strata is millimeter wave microstrip planar antenna array 5；Middle level is
Semicircle floor 3 and dielectric-slab 8；Lower floor is waveguide 4.Each antenna element 1 passes through rectangle grid in the Microstrip Planar Array Antennas row
Case form is evenly spaced on semicircle dielectric-slab, and each antenna element is fed using series feed form, is fed by adjusting
The power-division ratios of network, the amplitude weighting to unit is realized, so as to realize Sidelobe.
With reference to Fig. 1, Fig. 2 and Fig. 3, Microstrip Planar Array Antennas row 5 use the antenna element 1 of corner-fed patch form, in semicircle
Rectangular grid arrangement in the dielectric-slab of bore, antenna element spacing are a medium wavelength to realize with mutually feed.Antenna list
Narrow slit 7 is opened at first 1 center can suppress the cross polarization of azimuth dimension.Antenna array is divided into a plurality of linear array in pitching dimension direction, every
The number of antenna element 1 in linear array is from the 1st article to the N articles into gradually decreasing trend.In every linear array, pass through feeding network
6 connect multiple antenna elements to form series feed battle array, i.e., the antenna element 1 per a line is connected by feeding network 6.To every
Linear array carries out individually Taylor and weighted, and by adjusting the physical dimension of feeding network, realizes the not constant amplitude excitation to unit,
So as to realize Sidelobe in azimuth dimension.Pitching tie up direction, by a main feeder, a plurality of linear array is connected, linear array it
Between spacing be similarly a medium wavelength.Insulator distributing point is arranged on the midpoint of pitching dimension radius, and main feeder is equally pressed
It is weighted according to Taylor's distribution, energy is maximum at pitching fibrillar center, weakens successively toward both sides, therefore also real in pitching dimension direction
Sidelobe is showed.Fed using waveguide 4, centre passes through floor panel structure 3 and upper strata Microstrip Planar Array Antennas using insulator 2
Row 5 are connected.
Embodiment 1
The semicircle that whole antenna size is radius 100mm.
With reference to Fig. 1~2, the present embodiment includes Microstrip Planar Array Antennas row 5, insulator structure 2, floor panel structure 3, waveguide 4.
With reference to Fig. 2, the centre frequency of the millimeter wave Sidelobe microstrip antenna of semicircle bore is 35GHz, with a width of 500MHz,
Microstrip Planar Array Antennas row use " Rogers RT/duroid 5880 (tm) ", thickness 0.254mm.It is 100mm's in radius
On dielectric-slab, the antenna element 1 of the linear array, altogether 366 corner-fed patch forms of 16 different lengths of arranging, adjacent antenna units
1 azimuth dimension and pitching dimension direction spacing be 6.2mm.Every linear array is weighted according to the Taylor that secondary lobe is -30dB, pitching dimension master
Feeder line also weights according to the Taylor that secondary lobe is -30dB.As shown in Figure 5-10, it is real by the Direction Pattern Simulation and test of the antenna
Test, the antenna pattern of the antenna can be obtained, it can be seen that the azimuth dimension directional diagram secondary lobe of the antenna reach-
Below 30dB, pitching dimension directional diagram secondary lobe reach below -30dB, show that antenna realizes Sidelobe characteristic.
Embodiment 2
The circle that whole antenna size is radius 100mm.Whole antenna array is made up of two semicircle fronts, respectively as
Transmitting antenna part and reception antenna part.
The structure and performance in semicircular array face are in the same manner as in Example 1.The isolation of two antenna array can reach-
80dB, realize high-isolation characteristic.
Claims (3)
1. the millimeter wave Sidelobe microstrip antenna of a kind of semicircle bore, it is characterised in that including floor (3), dielectric-slab (8), ripple
Lead (4), dielectric-slab (8) is located at floor panel structure (3) top, and waveguide (4) is located at floor (3) bottom, in dielectric-slab (8) upper surface shape
Into there is Microstrip Planar Array Antennas to arrange (5), waveguide (4) is fed to Microstrip Planar Array Antennas row (5)；
The floor (3) and dielectric-slab (8) are semicircular structure；Antenna element (1) in the Microstrip Planar Array Antennas row (5)
For corner-fed patch form, center is provided with narrow slit (7)；
Antenna element (1) is distributed in dielectric-slab (8) with grid arrangement form, passes through feeding network per a line antenna element (1)
(6) it is connected on pitching dimension direction and forms linear array；Direction is tieed up in pitching, a plurality of linear array is connected by a main feeder；The insulation
Sub (2) are located at the center position of main feeder；
Spacing between adjacent antenna units (1) is a medium wavelength.
2. the millimeter wave Sidelobe microstrip antenna of semicircle bore as claimed in claim 1, it is characterised in that also including insulator
(2), insulator (2) is used to connect waveguide (4) and Microstrip Planar Array Antennas row (5) through floor (3) and dielectric-slab (8).
3. the millimeter wave Sidelobe microstrip antenna of semicircle bore as claimed in claim 1, it is characterised in that every linear array and main feed
Line is weighted according to Taylor's distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629277.XA CN107689489A (en) | 2016-08-03 | 2016-08-03 | A kind of millimeter wave Sidelobe microstrip antenna of semicircle bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629277.XA CN107689489A (en) | 2016-08-03 | 2016-08-03 | A kind of millimeter wave Sidelobe microstrip antenna of semicircle bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107689489A true CN107689489A (en) | 2018-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610629277.XA Pending CN107689489A (en) | 2016-08-03 | 2016-08-03 | A kind of millimeter wave Sidelobe microstrip antenna of semicircle bore |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000196350A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Electric Corp | Array antenna equipment |
| CN101552380A (en) * | 2009-05-12 | 2009-10-07 | 北京握奇数据系统有限公司 | A microstrip array antenna |
| CN203250852U (en) * | 2013-05-09 | 2013-10-23 | 合肥师范学院 | Microstrip antenna array |
| CN105071053A (en) * | 2015-07-16 | 2015-11-18 | 上海无线电设备研究所 | Miniature dual-frequency-band coplanar composite monopulse array antenna |
-
2016
- 2016-08-03 CN CN201610629277.XA patent/CN107689489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000196350A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Electric Corp | Array antenna equipment |
| CN101552380A (en) * | 2009-05-12 | 2009-10-07 | 北京握奇数据系统有限公司 | A microstrip array antenna |
| CN203250852U (en) * | 2013-05-09 | 2013-10-23 | 合肥师范学院 | Microstrip antenna array |
| CN105071053A (en) * | 2015-07-16 | 2015-11-18 | 上海无线电设备研究所 | Miniature dual-frequency-band coplanar composite monopulse array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 赵伟等: ""一种毫米波低副瓣微带天线阵列的设计与仿真"", 《弹箭与制导学报》 * |
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Application publication date: 20180213 |