CN108173003A - Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar - Google Patents
Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar Download PDFInfo
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- CN108173003A CN108173003A CN201711195634.7A CN201711195634A CN108173003A CN 108173003 A CN108173003 A CN 108173003A CN 201711195634 A CN201711195634 A CN 201711195634A CN 108173003 A CN108173003 A CN 108173003A
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- individual layer
- flexure type
- circular polarisation
- antenna
- strip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- 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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- 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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Abstract
The invention belongs to Microwave Antenna System Technology fields, disclose a kind of flexure type that is based on and feed individual layer compact micro-strip circular polarisation slot antenna, radar, radiating layer using individual layer paster structure, cuts out a hole and forms Q-RING gap structure among patch；Dielectric support radiating layer, between microstrip feed line and radiation patch；Flexure type micro-strip feed layer, right-angle turning are transformed into gradual change circular arc elbow.The present invention is efficiently reduced the size of feeding network, antenna overall structure is made to become compact using microstrip feed line single-point feedback structure.It is formed by three layers, upper strata radiation patch, the support of middle level dielectric-slab, lower floor's microstrip feed line is simple in structure to be easily integrated；The bandwidth requirement of C-band communication system can be met；It is compact-sized using microstrip structure, it is easily conformal；With wider impedance bandwidth, section is low.
Description
Technical field
It is micro- based on flexure type feed individual layer compact the invention belongs to Microwave Antenna System Technology field more particularly to one kind
Band circular polarisation slot antenna, radar.
Background technology
The fast development of wireless communication system proposes new requirement to the hardware platforms at different levels of support, objectively also promotes
The development of hardware systems at different levels.Antenna as in wireless communication system emit and receive electromagnetic wave component, realize electric energy with
The function that electromagnetic wave energy is mutually converted is the vital component in wireless communication system front end.Radar, radio, survey meter,
Intercom, wireless network card, mobile phone, remote control etc., these equipment carried out wireless communication using electromagnetic wave, all from not
Kaitian's line.Particularly circular polarized antenna has particularly obtained the favor of numerous scholars with advantages such as its distinctive anti-multipath interference.
For antenna radiator, the citation form of Broadband circularly polarized antenna has micro-strip dipole antenna, waveguide modes, dielectric resonator
Antenna, slot antenna etc..By comparing, some slot antennas have obtained the extensive concern of researchers.In similar designs,
Increase bandwidth by parallel connection open circuit minor matters and realize good matching, loading perturbed structure enhances its axis ratio in ring attaching piece gap
Bandwidth, wider impedance bandwidth and axial ratio bandwidth.Design also proposes a compact by microstrip line balun feed and stitches
Gap circular polarisation (CP) antenna.Axial ratio bandwidth is improved by loading level stub, feeder line and metal stub are perpendicular to one another, class
T shapes are similar to, area is 25 × 25mm.Measurement result show the impedance matching bandwidth of antenna S11≤- 10dB for 90.2% (from
3.5 arrive 9.25GHz), 3dB-AR axial ratio bandwidths are 40% (for 4.6 to 6.9GHz), gain 0.8-4.5dBi.
In conclusion problem of the existing technology is：Above-mentioned antenna has complicated, and volume is big, and narrow bandwidth etc. is prominent
Go out shortcoming.Due to impedance bandwidth and axial ratio bandwidth could not larger broadening simultaneously, so the available beamwidth of antenna can not reach real
Border requires.
Invention content
In view of the problems of the existing technology, the present invention provides one kind based on flexure type feed individual layer compact micro-strip circle
Polarize slot antenna, radar.The antenna structure simple and compact, it is easy to accomplish, and realize ultra wide band characteristic.
The invention is realized in this way a kind of feed individual layer compact micro-strip circular polarisation slot antenna based on flexure type.It should
Elbow bend is changed to circular arc gradual change elbow this innovative idea and significantly improves Electromagnetic Wave Propagation not by antenna feed section
Continuity so as to effectively reduce voltage standing wave ratio, increases impedance bandwidth.Input port loading open circuit minor matters are provided and are centainly needed
The imaginary part that the reactance wanted carries out impedance offsets and realizes impedance matching.It is described that individual layer compact micro-strip entelechy is fed based on flexure type
The bottom for changing slot antenna is the flexure type micro-strip feed layer using gradual change circular arc elbow.
Further, the upper strata of the flexure type micro-strip feed layer is the radiating layer of dielectric support.
Further, the radiating layer uses individual layer patch, is Q-RING gap structure among individual layer patch.
Further, the diagonal metal-loaded synusia of the patch.
Further, the dielectric support radiating layer is between microstrip feed line and radiation patch.
Further, using the gradual change circular arc type elbow of Γ type microstrip feed lines.
Another object of the present invention is to provide one kind be equipped with it is described based on flexure type feed individual layer compact micro-strip circle
The radar of polarization slot antenna.
Another object of the present invention is to provide one kind be equipped with it is described based on flexure type feed individual layer compact micro-strip circle
The radio of polarization slot antenna.
Another object of the present invention is to provide one kind be equipped with it is described based on flexure type feed individual layer compact micro-strip circle
The intercom of polarization slot antenna.
Another object of the present invention is to provide one kind be equipped with it is described based on flexure type feed individual layer compact micro-strip circle
The wireless network card of polarization slot antenna.
The present invention obtains wider impedance and axis using wideband balun microstrip feed line feed and broad-band slot irradiation structure
Compare bandwidth.1. encouraging coupling gap by flexure type microstrip feed line, wider impedance bandwidth has been obtained.However, it has not yet been reached super
The requirement in broadband investigates the impedance of the input terminal of microstrip line by emulation, based on " open circuit of appropriate length or short-circuited transmission line energy
Desirable arbitrary reactance or susceptance value are provided " this theory, and then in input impedance near ports metal-loaded open circuit minor matters
Line achievees the purpose that the bandwidth that is widened to offset the imaginary values of port Impedance.2. by radiating layer Q-RING one of them is right
Angle metal-loaded piece carries out structural perturbation so as to encourage two orthogonal radiation patterns with the axial ratio bandwidth that is widened.Tuning open circuit repeatedly
Minor matters and perturbed structure so that the bandwidth of operation (impedance bandwidth and axial ratio bandwidth) of antenna reaches maximum.Thus complete
The design of ultra wide band circularly polarization microstrip slot antenna, disclosure satisfy that the bandwidth requirement of current ultra wide band commercial signal communication system.
The present invention is efficiently reduced the size of feeding network, is made antenna whole using microstrip feed line single-point feedback structure
Structure becomes compact.It is formed by three layers, upper strata radiation patch, the support of middle level dielectric-slab, lower floor's microstrip feed line is simple in structure to be easy to
It is integrated；The bandwidth requirement of C-band communication system can be met；It is compact-sized using microstrip structure, it is easily conformal；The antenna has
Wider impedance bandwidth, section are low.Table 1 is provided in an embodiment of the present invention based on flexure type feed individual layer compact micro-strip entelechy
Change the reference antenna of slot antenna and the Character Comparison table of inventive antenna, Fig. 3 is provided in an embodiment of the present invention based on bending
The impedance of type feed individual layer compact micro-strip circular polarisation slot antenna and axis are than being this with the variation characteristic figure and Fig. 4 of frequency
Inventive embodiments provide remote on different frequency point based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna
Field radiation pattern.
Description of the drawings
Fig. 1 is the seam provided in an embodiment of the present invention based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna
The slot antenna configurations schematic diagram of gap couple feed：
1, short circuit band；2, radiating slot；3, floor；4, microstrip line；5, dielectric substrate.
Fig. 2 is provided in an embodiment of the present invention based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna configurations
Schematic diagram；
Fig. 3 is the resistance provided in an embodiment of the present invention based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna
Anti- and axis is than the variation characteristic figure with frequency；
Fig. 4 is that the flexure type provided in an embodiment of the present invention that is based on feeds individual layer compact micro-strip circular polarisation slot antenna not
Far field radiation characteristics figure on same frequency point.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the figure is the irradiation structure figure of the slot antenna of aperture-coupled：1, short circuit band；2, radiating slot
Gap；3, floor；4, microstrip line；5, dielectric substrate.
It is as shown in Fig. 2, provided in an embodiment of the present invention based on flexure type feed individual layer compact micro-strip circular polarisation gap day
Line is followed successively by from top to bottom：
Radiating layer using individual layer paster structure, cuts out a hole and forms Q-RING gap structure among patch.
Dielectric support radiating layer, between microstrip feed line and radiation patch.
Flexure type micro-strip feed layer, right-angle turning are transformed into gradual change circular arc elbow.
In a preferred embodiment of the invention：The diagonal metal-loaded synusia of radiation patch carries out perturbation.
Its elbow bend is changed to gradual change circular arc type elbow by Γ types microstrip feed line.
For frequency range in the range of about 4-8GHz, which has stable impedance and axis ratio characteristic.
The present invention is using wideband balun microstrip feed line feed and broad-band slot irradiation structure so that antenna operating band is wide：
1. encouraging coupling gap by flexure type microstrip feed line, however the requirement of ultra wide band has not yet been reached, microstrip line is investigated by emulation
The impedance of input terminal, based on " open circuit or short-circuited transmission line of appropriate length can provide desirable arbitrary reactance or susceptance value " this
One is theoretical, and then opens a way minor matters line (as shown in Figure 2) in input impedance near ports metal-loaded to offset the void of port Impedance
Portion's value come achieve the purpose that be widened bandwidth.2. by radiating layer Q-RING one of them it is diagonal on metal-loaded piece, carry out
The perturbation of structure is so as to encourage two orthogonal radiation patterns with the axial ratio bandwidth that is widened.Tuning open circuit minor matters and perturbation knot repeatedly
Structure so that the bandwidth of operation (impedance bandwidth and axial ratio bandwidth) of antenna reaches maximum, disclosure satisfy that current ultra wide band is civilian logical
The bandwidth requirement of letter system.The present invention is efficiently reduced the size of feeding network, is made using microstrip feed line single-point feedback structure
Antenna overall structure becomes compact；It is formed by three layers, it is simple in structure to be easily integrated.
The Character Comparison table of 1 reference antenna of table and the design antenna
It is provided in an embodiment of the present invention that individual layer compact micro-strip circular polarisation slot antenna is fed by a FR4 based on flexure type
Medium substrate, top are provided with the patch of square hole and " flexure type " feeder line composition of bottom.Circular polarisation is mainly by " bending
Type " feed structure and diagonal rectangular gap perturbation structure row has been cut into the beginning of feeder line nearby connects open circuit microstrip line and carries out
Impedance matching and widening frequency band.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. one kind feeds individual layer compact micro-strip circular polarisation slot antenna based on flexure type, which is characterized in that described based on bending
The bottom of type feed individual layer compact micro-strip circular polarisation slot antenna is microstrip-fed using the flexure type of gradual change circular arc elbow
Layer.
2. individual layer compact micro-strip circular polarisation slot antenna is fed based on flexure type as described in claim 1, which is characterized in that
The upper strata of the flexure type micro-strip feed layer is dielectric support radiating layer and radiating layer.
3. individual layer compact micro-strip circular polarisation slot antenna is fed based on flexure type as claimed in claim 2, which is characterized in that
The radiating layer uses individual layer patch, individual layer patch interposition Q-RING gap structure.
4. individual layer compact micro-strip circular polarisation slot antenna is fed based on flexure type as claimed in claim 3, which is characterized in that
The diagonal metal-loaded synusia of patch.
5. individual layer compact micro-strip circular polarisation slot antenna is fed based on flexure type as claimed in claim 2, which is characterized in that
The dielectric support radiating layer is between microstrip feed line and radiation patch.
6. individual layer compact micro-strip circular polarisation slot antenna is fed based on flexure type as described in claim 1, which is characterized in that
Using the gradual change circular arc type elbow of Γ type microstrip feed lines.
7. one kind is equipped with described in claim 1~6 any one based on flexure type feed individual layer compact micro-strip circular polarisation seam
The radar of gap antenna.
8. one kind is equipped with described in claim 1~6 any one based on flexure type feed individual layer compact micro-strip circular polarisation seam
The radio of gap antenna.
9. one kind is equipped with described in claim 1~6 any one based on flexure type feed individual layer compact micro-strip circular polarisation seam
The intercom of gap antenna.
10. one kind is equipped with described in claim 1~6 any one based on flexure type feed individual layer compact micro-strip circular polarisation seam
The wireless network card of gap antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195634.7A CN108173003A (en) | 2017-11-24 | 2017-11-24 | Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195634.7A CN108173003A (en) | 2017-11-24 | 2017-11-24 | Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar |
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| CN108173003A true CN108173003A (en) | 2018-06-15 |
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| CN201711195634.7A Pending CN108173003A (en) | 2017-11-24 | 2017-11-24 | Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860989A (en) * | 2019-04-02 | 2019-06-07 | 云南大学 | Circular polarisation slot antenna based on integral substrate gap waveguide |
| CN110247194A (en) * | 2019-06-14 | 2019-09-17 | 北京航空航天大学 | The upper transmittance prediction technique and system of the double-deck bandpass-type frequency selecting structures |
| CN112838360A (en) * | 2020-12-24 | 2021-05-25 | 浙江吉利控股集团有限公司 | Dual-polarized microstrip phased array antenna unit and array thereof |
| CN113328240A (en) * | 2021-05-21 | 2021-08-31 | 大连海事大学 | Wide-axial-ratio beam dual-frequency Beidou navigation antenna capable of effectively inhibiting backward cross polarization |
| CN113328236A (en) * | 2021-05-24 | 2021-08-31 | 电子科技大学 | Card-inserted end-fire broadband dielectric resonator antenna |
| CN113809525A (en) * | 2021-09-29 | 2021-12-17 | 维沃移动通信有限公司 | Electronic device |
| CN114614260A (en) * | 2022-02-24 | 2022-06-10 | 西安电子科技大学 | Broadband circularly polarized microstrip antenna with slotted bottom plate and satellite communication terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852133A (en) * | 2015-04-18 | 2015-08-19 | 安庆师范学院 | Coplanar waveguide fed broadband circularly polarized antenna |
-
2017
- 2017-11-24 CN CN201711195634.7A patent/CN108173003A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852133A (en) * | 2015-04-18 | 2015-08-19 | 安庆师范学院 | Coplanar waveguide fed broadband circularly polarized antenna |
Non-Patent Citations (4)
| Title |
|---|
| JAVAD POURAHMADAZAR: "Broadband CPW-Fed Circularly Polarized", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| JIAN-JUN MAO: "Broadband Circularly-Polarized Square Slot", 《2014 3RD ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION》 * |
| RUI XU: "A design of triple-wideband triple-sense circularly polarized square slot antenna", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| 孙海青: "基于HFSS 的微带线不连续性仿真分析", 《雷达与对抗》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860989A (en) * | 2019-04-02 | 2019-06-07 | 云南大学 | Circular polarisation slot antenna based on integral substrate gap waveguide |
| CN110247194A (en) * | 2019-06-14 | 2019-09-17 | 北京航空航天大学 | The upper transmittance prediction technique and system of the double-deck bandpass-type frequency selecting structures |
| CN112838360A (en) * | 2020-12-24 | 2021-05-25 | 浙江吉利控股集团有限公司 | Dual-polarized microstrip phased array antenna unit and array thereof |
| CN113328240A (en) * | 2021-05-21 | 2021-08-31 | 大连海事大学 | Wide-axial-ratio beam dual-frequency Beidou navigation antenna capable of effectively inhibiting backward cross polarization |
| CN113328240B (en) * | 2021-05-21 | 2022-05-10 | 大连海事大学 | Wide-axial-ratio beam dual-frequency Beidou navigation antenna capable of effectively inhibiting backward cross polarization |
| CN113328236A (en) * | 2021-05-24 | 2021-08-31 | 电子科技大学 | Card-inserted end-fire broadband dielectric resonator antenna |
| CN113328236B (en) * | 2021-05-24 | 2022-07-29 | 电子科技大学 | Card-inserted end-fire broadband dielectric resonator antenna |
| CN113809525A (en) * | 2021-09-29 | 2021-12-17 | 维沃移动通信有限公司 | Electronic device |
| CN114614260A (en) * | 2022-02-24 | 2022-06-10 | 西安电子科技大学 | Broadband circularly polarized microstrip antenna with slotted bottom plate and satellite communication terminal |
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Application publication date: 20180615 |