CN106207423B - A kind of aerial array of slant-polarized antennas and its composition - Google Patents
A kind of aerial array of slant-polarized antennas and its composition Download PDFInfo
- Publication number
- CN106207423B CN106207423B CN201610478276.XA CN201610478276A CN106207423B CN 106207423 B CN106207423 B CN 106207423B CN 201610478276 A CN201610478276 A CN 201610478276A CN 106207423 B CN106207423 B CN 106207423B
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- Prior art keywords
- line source
- slant
- vertical polarization
- polarized antennas
- horizontal polarization
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
- H01Q21/10—Collinear arrangements of substantially straight elongated conductive units
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Invention is related to field of antenna, more particularly to the aerial array of a kind of micro-strip two-wire source, inclined polarization, planarization paster antenna and its composition.Antenna includes the vertical polarization line source and horizontal polarization line source being arranged on same micro-strip plate, the vertical polarization line source and horizontal polarization line source are connected by power splitter with same feeding point, and the gain of the vertical polarization line source and horizontal polarization line source, lobe width and input impedance are roughly the same.Aerial array is arranged by multiple slant-polarized antennas parallel interval certain distances, and the laying of each slant-polarized antennas is on the same substrate.The present invention is effectively utilized mature linear polarized antenna technology, to horizontal polarization and vertical polarization line source mixing group battle array, the characteristic for constituting inclined polarization line source, and paster antenna being kept to planarize.Conducive in the use in the fields such as automobile collision preventing.
Description
Technical field
Invention is related to field of antenna, more particularly to a kind of micro-strip two-wire source, inclined polarization, planarization paster antenna and its group
At aerial array.
Background technique
In fields such as automobile collision avoidance radars, it is often necessary to design work frequency about 10~100GHz, it is light-weight, shape is small,
Slant-polarized antennas or antenna array with planarization structure.This kind of antenna mainly has the following two kinds purposes:
1, the smooth internal loopback of single carrier or multiple antennas multicast；
2, carrier moves toward one another, he is from the time receiving, because inclined polarization forms cross polarization, automatic shield he generate electricity magnetic wave；
Due to the design of usual oblique polarization array, it is to consider each unit being designed to inclined polarization, then organizes battle array.In this way
It will increase Antenna Design difficulty, limit the selection of unit form, also limit a group selection for formation formula.
Summary of the invention
Technical problem to be solved by the present invention lies in providing, a kind of design difficulty is lower, the wider inclined polarization day of applicability
The aerial array of line and its composition.
The present invention solves above-mentioned technical problem: a kind of slant-polarized antennas, including vertical polarization using following technical scheme
Line source and horizontal polarization line source, the vertical polarization line source and horizontal polarization line source are connected by power splitter with same feeding point,
The gain of the vertical polarization line source and horizontal polarization line source, lobe width and input impedance are roughly the same.
Preferably, the vertical polarization line source be alternatively arranged by multiple vertical polarization patch antenna elements in "-" type and
At, between each vertical polarization patch antenna element by the first microstrip line it is parallel with one another, the first microstrip line midpoint with it is described
The a port of power splitter is connected；The horizontal polarization line source is arranged by multiple horizontal polarization patch antenna elements in "-" type interval
Arrange, be sequentially connected in series between each horizontal polarization patch antenna element by the second microstrip line, the second microstrip line midpoint with
The another port of the power splitter is connected；The arrangement of the vertical polarization patch antenna element and horizontal polarization patch antenna element
Direction is parallel to each other.
Preferably, one of basic configuration, the vertical polarization patch antenna element setting is in the first microstrip line far from horizontal
The side of polarization line source.
Preferably, the two of basic configuration, the vertical polarization patch antenna element setting is in the first microstrip line close to horizontal
The side of polarization line source.
Preferably, the three of basic configuration, second microstrip line are connected to close on horizontal polarization patch antenna element
The side of vertical polarization line source.
A kind of aerial array formed using above-mentioned slant-polarized antennas, the aerial array is by multiple slant-polarized antennas
Parallel interval arranges.
The present invention has the advantages that the present invention is effectively utilized mature linear polarized antenna technology, to horizontal polarization and hang down
Straight polarization line source mixing group battle array, the characteristic for constituting inclined polarization line source, and paster antenna being kept to planarize.Conducive in automobile collision preventing
The use in equal fields.
Detailed description of the invention
Fig. 1 is the slant-polarized antennas structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the standing-wave ratio of the embodiment of the present invention 1；
Fig. 3 is the gain lobe pattern of the embodiment of the present invention 1；
Fig. 4 is the axis ratio of the embodiment of the present invention 1；
Fig. 5 be the embodiment of the present invention 1 front before plane field area electric field intensity distribution top view at 1/4 wavelength；
Fig. 6 is the far-field region electric field intensity distribution perspective view of the embodiment of the present invention 1；
Fig. 7 is the far-field region electric field intensity distribution top view of the embodiment of the present invention 1；
Fig. 8 is the slant-polarized antennas structural schematic diagram of the embodiment of the present invention 2；
Fig. 9 is the slant-polarized antennas structural schematic diagram of the embodiment of the present invention 3；
Figure 10 is the standing-wave ratio of the embodiment of the present invention 2；
Figure 11 is the gain lobe pattern of the embodiment of the present invention 2；
Figure 12 is the axis ratio of the embodiment of the present invention 2；
Figure 13 is the standing-wave ratio of the embodiment of the present invention 3；
Figure 14 is the gain lobe pattern of the embodiment of the present invention 3；
Figure 15 is the axis ratio of the embodiment of the present invention 3；
Figure 16 is that the hair two that slant-polarized antennas permutation of the invention is formed receives antenna domain.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing.
A kind of slant-polarized antennas, including the vertical polarization line source 6 and horizontal polarization line source 5 being arranged on same micro-strip plate 7,
The vertical polarization line source 6 and horizontal polarization line source 5 are connected by power splitter 2 with same feeding point 1, the vertical polarization line source
6 and the gain of horizontal polarization line source 5, lobe width and input impedance it is roughly the same.
Preferably, the vertical polarization line source 6 is in one spacing of "-" type interval by multiple vertical polarization patch antenna elements 4
From arranging, parallel with one another by the first microstrip line between each vertical polarization patch antenna element 4, the first microstrip line is at midpoint
Place is connected with a port of the power splitter 2；The horizontal polarization line source 5 is in by multiple horizontal polarization patch antenna elements 3
"-" type is spaced apart to be arranged, and is sequentially connected in series between each horizontal polarization patch antenna element 3 by the second microstrip line,
Second microstrip line is connected in midpoint with the another port of the power splitter 2；The vertical polarization patch antenna element 4 and level
The orientation of polarized patch antenna unit 3 is parallel to each other.
Below in conjunction with attached drawing and embodiment, the present invention will be described in further detail.Embodiment centre frequency
24GHz.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, the present invention is not limited.
Embodiment 1
As shown in Figure 1, the vertical polarization patch antenna element 4 is arranged in the first microstrip line far from horizontal polarization line source 5
Side.Fig. 2~Fig. 7 is the electrical property simulation result of the slant-polarized antennas of embodiment 1, simulation software hfss15, iteration mistake
Poor 0.01.Be followed successively by before standing-wave ratio, gain, axis ratio, front plane field area electric field intensity distribution (top view) at 1/4 wavelength,
Far-field region electric field intensity is distributed (perspective view), far-field region electric field intensity distribution (top view).
1 slant-polarized antennas parameter of embodiment
| Gain (dB) | 13.2 |
| 3dB lobe width (degree) | 13.1x 96.8 |
| SLLmax(dB) | -14.7 |
Embodiment 2
As shown in figure 8, the vertical polarization patch antenna element 4 is arranged in the first microstrip line close to horizontal polarization line source 5
Side.
Figure 10~Figure 12 is the electrical property simulation result of the slant-polarized antennas of embodiment 2, simulation software hfss15, iteration
Error 0.01.It is followed successively by standing-wave ratio, gain, axis ratio.
Embodiment 2 is slant-polarized antennas parameter
| Gain (dB) | 12.7 |
| 3dB lobe width (degree) | 13x 80.7 |
| SLLmax(dB) | -15.3 |
Embodiment 3
As shown in figure 9, the vertical polarization patch antenna element 4 is arranged in the first microstrip line close to horizontal polarization line source 5
Side.Second microstrip line is connected to the side on horizontal polarization patch antenna element 3 close to vertical polarization line source 6.
Figure 13~Figure 15 is the electrical property simulation result of the slant-polarized antennas of embodiment 3, simulation software hfss15, iteration
Error 0.01.It is followed successively by standing-wave ratio, gain, axis ratio.
3 slant-polarized antennas parameter of embodiment
| Gain (dB) | 11.6 |
| 3dB lobe width (degree) | 14.6x 71.8 |
| SLLmax(dB) | -11.8 |
Embodiment 4
A kind of aerial array formed using above-mentioned slant-polarized antennas, the aerial array is by multiple slant-polarized antennas
Parallel interval certain distance arranges.
Figure 16 is that the hair two that the slant-polarized antennas of embodiment 2 forms receives antenna domain example, which is automobile collision preventing
Radar typical configurations, two receiving antenna spacing 14mm meet direction finding requirement, and transmitting antenna and receiving antenna distance can be in > 14mm
On the basis of, it adjusts as needed.According to embodiment 3, two receiving antenna spacing can be smaller.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention within the spirit and principle of innovation and creation
Protection scope within.
Claims (6)
1. a kind of slant-polarized antennas, it is characterised in that: including vertical polarization line source and horizontal polarization line source, the vertical polarization line
Source and horizontal polarization line source are connected by power splitter with same feeding point, the increasing of the vertical polarization line source and horizontal polarization line source
Benefit, lobe width and input impedance are roughly the same, and the vertical polarization line source is in by multiple vertical polarization patch antenna elements
"-" type is alternatively arranged, parallel with one another by the first microstrip line between each vertical polarization patch antenna element, the level
Polarization line source is alternatively arranged by multiple horizontal polarization patch antenna elements in "-" type, each horizontal polarization patch antenna element
Between be sequentially connected in series by the second microstrip line.
2. slant-polarized antennas according to claim 1, it is characterised in that: the first microstrip line is in midpoint and the power splitter
A port be connected；Second microstrip line is connected in midpoint with the another port of the power splitter；The vertical polarization patch
The orientation of antenna element and horizontal polarization patch antenna element is parallel to each other.
3. slant-polarized antennas according to claim 2, it is characterised in that: the vertical polarization patch antenna element setting exists
Side of first microstrip line far from horizontal polarization line source.
4. slant-polarized antennas according to claim 2, it is characterised in that: the vertical polarization patch antenna element setting exists
First microstrip line is close to the side of horizontal polarization line source.
5. slant-polarized antennas according to claim 2, it is characterised in that: second microstrip line is connected in horizontal polarization
Close to the side of vertical polarization line source on patch antenna element.
6. a kind of aerial array formed using slant-polarized antennas described in 1 to 5 any one of the claims, feature exist
In: the aerial array is arranged by multiple slant-polarized antennas parallel intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478276.XA CN106207423B (en) | 2016-06-26 | 2016-06-26 | A kind of aerial array of slant-polarized antennas and its composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478276.XA CN106207423B (en) | 2016-06-26 | 2016-06-26 | A kind of aerial array of slant-polarized antennas and its composition |
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| Publication Number | Publication Date |
|---|---|
| CN106207423A CN106207423A (en) | 2016-12-07 |
| CN106207423B true CN106207423B (en) | 2019-09-17 |
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| CN201610478276.XA Active CN106207423B (en) | 2016-06-26 | 2016-06-26 | A kind of aerial array of slant-polarized antennas and its composition |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202905937U (en) * | 2012-11-02 | 2013-04-24 | 航天信息股份有限公司 | Array antenna of roadside unit and electronic toll collection system |
| CN202977739U (en) * | 2012-11-02 | 2013-06-05 | 航天信息股份有限公司 | Roadside unit array antenna and electronic toll collection system |
| CN105161861A (en) * | 2015-09-28 | 2015-12-16 | 湖南华诺星空电子技术有限公司 | Antenna device of frequency modulation continuous wave radar |
| CN105591203A (en) * | 2014-10-21 | 2016-05-18 | 南京理工大学 | Low-profile high-gain dual-band dual-polarized satellite communication antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8072384B2 (en) * | 2009-01-14 | 2011-12-06 | Laird Technologies, Inc. | Dual-polarized antenna modules |
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2016
- 2016-06-26 CN CN201610478276.XA patent/CN106207423B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202905937U (en) * | 2012-11-02 | 2013-04-24 | 航天信息股份有限公司 | Array antenna of roadside unit and electronic toll collection system |
| CN202977739U (en) * | 2012-11-02 | 2013-06-05 | 航天信息股份有限公司 | Roadside unit array antenna and electronic toll collection system |
| CN105591203A (en) * | 2014-10-21 | 2016-05-18 | 南京理工大学 | Low-profile high-gain dual-band dual-polarized satellite communication antenna |
| CN105161861A (en) * | 2015-09-28 | 2015-12-16 | 湖南华诺星空电子技术有限公司 | Antenna device of frequency modulation continuous wave radar |
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| Publication number | Publication date |
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| CN106207423A (en) | 2016-12-07 |
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