CN109616767A - A kind of corner-fed dual polarized microstrip patch antenna device of mixing - Google Patents
A kind of corner-fed dual polarized microstrip patch antenna device of mixing Download PDFInfo
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- CN109616767A CN109616767A CN201811436048.1A CN201811436048A CN109616767A CN 109616767 A CN109616767 A CN 109616767A CN 201811436048 A CN201811436048 A CN 201811436048A CN 109616767 A CN109616767 A CN 109616767A
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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
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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
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Abstract
The present invention relates to microwaves and antenna technical field, specifically a kind of corner-fed dual polarized microstrip patch antenna device of mixing, it is characterized in that being equipped with medium substrate, medium substrate is equipped with rectangular microband paste radiator, present microstrip line in side, minor matters are deployed in impedance, present coaxial line in bottom, wherein the front end of an angle with side the feedback microstrip line of rectangular microband paste radiator is connected, impedance deploys minor matters and is connected with side feedback microstrip line, it presents another angle adjacent with the connected angle of side feedback microstrip line in the rectangular microband paste radiator of coaxial pair and carries out bottom feedback in bottom, antenna is set to be in dual polarization working method.
Description
Technical field:
The present invention relates to microwave and antenna technical field, specifically a kind of corner-fed dual polarized microstrip patch antenna of mixing
Device.
Background technique:
Antenna plays irreplaceable role as the sensor device in radio communications system.Under normal conditions,
Radio electronics system uses single polarization operating mode, and antenna is also single polarization working condition；In order to effectively promote radio system
The performance of system, polarization of electromagnetic wave characteristic increasingly obtain significant concern, polarization information using more and more.Dual polarized antenna is
The sensor device of Dual-polarized electricity subsystem, in practical projects, the design of dual polarized antenna are very crucial.Common dual polarization
Antenna has double polarized micro strip antenna, dual-polarized element antenna, dual-polarization horn antenna and dual polarization slot antenna etc..Wherein, double
Polarization micro-strip antenna is a kind of one of common form, and due to its low section, low cost and flexible performance, acquisition is answered extensively
With.
There are many feeding classifications of microstrip antenna, such as micro-strip line side is presented, the feedback of coaxial line bottom, aperture-coupled, closed on
Couple feed etc..Corner-fed is a kind of new microband paste feeding classification.
Summary of the invention:
The present invention is directed to shortcoming and defect existing in the prior art, proposes one kind and is suitable for satellite remote sensing, navigation, flies
The corner-fed dual polarized microstrip patch antenna device of mixing in the radio systems such as row device remote-control romote-sensing, mobile communication, radar detection.
The present invention can be achieved by the following measures:
The corner-fed dual polarized microstrip patch antenna device of a kind of mixing, it is characterised in that medium substrate is equipped with, on medium substrate
Coaxial line is presented equipped with rectangular microband paste radiator, side feedback microstrip line, impedance allotment minor matters, bottom, wherein rectangular microband paste spoke
One angle of emitter is connected with the front end of side feedback microstrip line, and impedance deploys minor matters and is connected with side feedback microstrip line, and coaxial pair is presented at bottom
Another angle adjacent with the connected angle of side feedback microstrip line carries out bottom feedback in rectangular microband paste radiator, and antenna is made to be in bipolar
Change working method；Wherein the size of rectangular microband paste should meet formula (1):
In formula: frFor patch resonant frequency；A' is the equivalent length of side of patch；εefFor equivalent relative dielectric constant.Resonance electricity
Hinder RAWith fr、wjAnd h is related, empirical equation are as follows:
wjAnd h meets
According to Cavity theory, TM will be excited when corner-fed simultaneously10Mould and TM01Mould, therefore square patch cavity of resorption body region is interior
Field is (having ignored higher mode):
A is patch side length in formula, and ω is angular frequency, and μ is substrate magnetic permeability, B0For constant (drive factor).
Coaxial line bottom feedback position and micro-strip line side feedback position can motivate on the adjacent angle of rectangular microstrip line in the present invention
The impedance of the orthogonal field mode side feedback microstrip line of dual polarization needs to become transforming section and impedance-tumed section using impedance out, and the present invention adopts
Single minor matters tuner that converted and opened a way with gradual change line impedence realizes impedance matching, wherein completes resistance using the transformation of gradual change line impedence
Anti- real part is 50 ohm, and the corresponding reactance of single minor matters tuner generation of opening a way realizes tuning, final obtain is with characteristic impedance
The matching of 50 ohm of microstrip line.
In conclusion the invention proposes a kind of mixing combined using the feedback of corner-fed and coaxial line bottom to feed dual-polarized, microstrip
Antenna arrangements；Entire antenna is made of same printed circuit, and design is simple, low in cost, machining accuracy is high, is had
Wider bandwidth and preferable polarization characteristic and pattern characteristics.The present invention is suitable in satellite remote sensing, navigation, aircraft remote control
In the radio systems such as telemetering, wireless communication and radar.
Detailed description of the invention:
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is the structural schematic diagram of square patch in the present invention.
Attached drawing 3 is square patch and coordinate system schematic diagram in the present invention.
Attached drawing 4 is structural schematic diagram of the invention, and wherein Fig. 4 (a) is main view of the invention, and Fig. 4 (b) is of the invention
Rearview.
Attached drawing 5 is the circuit characteristic simulation result of mixing feed double polarized micro strip antenna in the embodiment of the present invention, wherein 5
(a) port is presented for micro-strip line side, 5 (b) present port for coaxial line bottom, and 5 (c) be interport isolation.
Attached drawing 6 is the radiation characteristic simulation result of the port 1 of double polarized micro strip antenna in the embodiment of the present invention, wherein 6 (a)
It is three-dimensional gain pattern, 6 (b) be three-dimensional shaft than directional diagram, and 6 (c) be the gain pattern in the face xoz, and 6 (d) be the face xoz
For axis than directional diagram, 6 (e) be the gain pattern in the face yoz, and 6 (f) be that the axis in the face yoz compares directional diagram.
Attached drawing 7 is the radiation characteristic simulation result of the port 2 of double polarized micro strip antenna in the embodiment of the present invention, and 7 (a) be three
Gain pattern is tieed up, 7 (b) be three-dimensional shaft than directional diagram, and 7 (c) be the gain pattern in the face xoz, and 7 (d) be the axis analogy in the face xoz
Xiang Tu, 7 (e) be the gain pattern in the face yoz, and 7 (f) be that the axis in the face yoz compares directional diagram.
Appended drawing reference: 1 is square patch radiator, and 2 be the medium substrate of dual polarised radiation device；3 micro-strips presented for side
Line, 4 deploy minor matters for impedance, and 5 coaxial lines presented the bottom of for, 6 be transformer section.
Specific embodiment:
With reference to the accompanying drawings and examples, the present invention is further illustrated.
The present invention has studied a kind of mixing feed double polarized micro strip antenna system combined using the feedback of corner-fed and coaxial line bottom
Device, the antenna are made of rectangular microband paste, side feedback microstrip line, impedance allotment minor matters and bottom feedback coaxial line.Side feedback microstrip line,
Impedance allotment minor matters are located at the side of single layer microwave printed circuit board, the progress side feedback of square shaped microband paste, face at another
On the angle of close square patch, side feedback is carried out using coaxial line, is in antenna by dual-polarized operating mode.Present invention design
The mixing feed double polarized micro strip antenna system model combined using the feedback of corner-fed and coaxial line bottom it is as shown in Figure 1.In Fig. 1,1
It is the medium substrate of dual polarised radiation device for square patch radiator, 2；3 for side feedback microstrip lines, 4 for impedance deploy minor matters, 5
For the coaxial line of bottom feedback, 6 be transformer section.
Corner-fed square patch generates radiation field by the fringing field between unit four edges and earth plate, and sum total is at field
TE10Mould and TE01The superposition of mould, main polarization is vertical polarization, as shown in Fig. 2.The size of square patch meets formula (1):
In formula: frFor patch resonant frequency；A' is the equivalent length of side of patch；εefFor equivalent relative dielectric constant.Resonance electricity
Hinder RAWith fr、wjAnd h is related, empirical equation are as follows:
wjAnd h preferably meetsThe calculated value of resonance frequency and the error of test value are minimum.
Consider antenna element as shown in Figure 3, substrate thickness h is much smaller than operation wavelength, thus can apply cavity model
Theoretical and perturbation method calculates formula to derive its resonance frequency.According to Cavity theory, TM will be excited when corner-fed simultaneously10Mould and TM01
Mould, therefore the internal field of square patch cavity of resorption body region is (having ignored higher mode):
A is patch side length in formula, and ω is angular frequency, and μ is substrate magnetic permeability, B0For constant (drive factor).
Figure 4 and figure 5 respectively show the mixing of design combined using the feedback of corner-fed and coaxial line bottom to feed dual-polarized, microstrip
The front view and rearview of antenna.As can be seen that coaxial line bottom feedback position and micro-strip line side present position in the phase of rectangular microstrip line
On adjacent angle, the orthogonal field mode of dual polarization can be motivated.The position of coaxial line is reasonably adjusted, it can be achieved that the impedance of port is 50
The resonant state of ohm；The impedance of side feedback microstrip line needs to become transforming section and impedance-tumed section using impedance, and the present invention is using gradually
Modified line impedance transformation and single minor matters tuner of opening a way realize impedance matching, wherein are converted using gradual change line impedence and complete impedance
Real part is 50 ohm, and tuning is realized in the corresponding reactance of single minor matters tuner generation of opening a way, and final obtain with characteristic impedance is 50 Europe
The matching of the microstrip line of nurse.
Embodiment:
The present invention devises the mixing feed dual-polarized, microstrip day specifically combined using the feedback of corner-fed and coaxial line bottom
Line apparatus has carried out performance simulation to the aerial array using full-wave electromagnetic simulation software, and the simulation experiment result demonstrates this hair
The feasibility of bright the proposed mixing feed double polarized micro strip antenna device combined using the feedback of corner-fed and coaxial line bottom and effectively
Property.
The circuit that the mixing combined using the feedback of corner-fed and coaxial line bottom that the present invention designs feeds double polarized micro strip antenna is special
Property is as shown in figure 5, as seen from the figure, in central task frequency point f0On, the echo damage of the port 1 (micro-strip line side presents port) of the antenna
Consumption is about -10dB, and the return loss at port 2 (coaxial line bottom present port) is about lower than -5.4dB, interport isolation about -
25dB。
In order to characterize the radiation characteristic of the antenna, Fig. 6 and Fig. 7 are given at frequency f respectively0When antenna radiation gain side
Simulation result to figure with axis than directional diagram.In working frequency points, the mixing using the feedback of corner-fed and coaxial line bottom of design is fed
The radiation gain of the port 1 of double polarized micro strip antenna is about 3.2dB, and main radiation direction axis ratio is greater than 17dB；The radiation of port 1 increases
Benefit is about 5dB, and main radiation direction axis ratio is greater than 27dB；.
In conclusion the invention proposes a kind of mixing combined using the feedback of corner-fed and coaxial line bottom to feed dual-polarized, microstrip
Antenna arrangements；Entire antenna is made of same printed circuit, and design is simple, low in cost, machining accuracy is high, is had
Wider bandwidth and preferable polarization characteristic and pattern characteristics.The present invention is suitable in satellite remote sensing, navigation, aircraft remote control
In the radio systems such as telemetering, wireless communication and radar.
Claims (2)
1. a kind of corner-fed dual polarized microstrip patch antenna device of mixing, it is characterised in that be equipped with medium substrate, set on medium substrate
There are rectangular microband paste radiator, side feedback microstrip line, impedance allotment minor matters, bottom feedback coaxial line, wherein rectangular microband paste radiates
One angle of device is connected with the front end of side feedback microstrip line, and impedance deploys minor matters and is connected with side feedback microstrip line, and coaxial line other side is presented at bottom
Another angle adjacent with the connected angle of side feedback microstrip line carries out bottom feedback in shaped microstrip patch radiator, and antenna is made to be in dual polarization
Working method；Wherein the size of rectangular microband paste should meet formula (1):
In formula: frFor patch resonant frequency；A' is the equivalent length of side of patch；εefFor equivalent relative dielectric constant, resonant resistance RAWith
fr、wjAnd h is related, empirical equation are as follows:
wjAnd h meets
According to Cavity theory, TM will be excited when corner-fed simultaneously10Mould and TM01Mould, therefore the internal field of square patch cavity of resorption body region are as follows:
A is patch side length in formula, and ω is angular frequency, and μ is substrate magnetic permeability, B0For constant (drive factor).
2. a kind of corner-fed dual polarized microstrip patch antenna device of mixing according to claim 1, it is characterised in that coaxial line
Position and micro-strip line side feedback position are presented on the adjacent angle of rectangular microstrip line in bottom, can motivate the orthogonal field mode side of dual polarization
The impedance of feedback microstrip line needs to become using impedance transforming section and impedance-tumed section, and the present invention is converted and opened a way using gradual change line impedence
Single minor matters tuner realizes impedance matching, wherein the real part for using the transformation of gradual change line impedence to complete impedance is opened a way single for 50 ohm
Minor matters tuner generates corresponding reactance, realizes tuning, the matching for the microstrip line that final acquisition and characteristic impedance are 50 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436048.1A CN109616767B (en) | 2018-11-28 | 2018-11-28 | Hybrid angle-fed dual-polarization microstrip patch antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436048.1A CN109616767B (en) | 2018-11-28 | 2018-11-28 | Hybrid angle-fed dual-polarization microstrip patch antenna device |
Publications (2)
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| CN109616767A true CN109616767A (en) | 2019-04-12 |
| CN109616767B CN109616767B (en) | 2021-04-06 |
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| CN201811436048.1A Active CN109616767B (en) | 2018-11-28 | 2018-11-28 | Hybrid angle-fed dual-polarization microstrip patch antenna device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355029A (en) * | 2020-04-09 | 2020-06-30 | 西安电子科技大学 | High-performance dual-polarized microstrip antenna for fifth-generation communication system |
| CN111864375A (en) * | 2020-07-21 | 2020-10-30 | 河北工业大学 | Compact one-dimensional holographic electromagnetic metasurface antenna |
| CN112952370A (en) * | 2021-02-01 | 2021-06-11 | 中国科学院重庆绿色智能技术研究院 | Transparent dual-frequency dual-polarization small antenna and preparation method thereof |
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| EP0587247A1 (en) * | 1992-09-11 | 1994-03-16 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And | Dielectric resonator antenna with wide bandwidth |
| EP1645009A1 (en) * | 2003-07-16 | 2006-04-12 | Huber + Suhner Ag | Dual polarised microstrip patch antenna |
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| CN102800956A (en) * | 2012-08-18 | 2012-11-28 | 哈尔滨工业大学（威海） | Wideband dual-polarized antenna for integrated balun feed |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355029A (en) * | 2020-04-09 | 2020-06-30 | 西安电子科技大学 | High-performance dual-polarized microstrip antenna for fifth-generation communication system |
| CN111864375A (en) * | 2020-07-21 | 2020-10-30 | 河北工业大学 | Compact one-dimensional holographic electromagnetic metasurface antenna |
| CN111864375B (en) * | 2020-07-21 | 2021-03-19 | 河北工业大学 | Compact one-dimensional holographic electromagnetic metasurface antenna |
| CN112952370A (en) * | 2021-02-01 | 2021-06-11 | 中国科学院重庆绿色智能技术研究院 | Transparent dual-frequency dual-polarization small antenna and preparation method thereof |
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| CN109616767B (en) | 2021-04-06 |
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