CN106848599A - A kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled - Google Patents
A kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled Download PDFInfo
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- CN106848599A CN106848599A CN201611224818.7A CN201611224818A CN106848599A CN 106848599 A CN106848599 A CN 106848599A CN 201611224818 A CN201611224818 A CN 201611224818A CN 106848599 A CN106848599 A CN 106848599A
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- bowtie
- antenna array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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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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- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/0241—Waveguide horns radiating a circularly polarised wave
-
- 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
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- 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)
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to a kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled, second layer dielectric-slab 2, third layer metallic reflection plate 3 and Supported Nylon post 4 that described broadband circular polarization microstrip antenna array row include ground floor dielectric-slab 1 and are placed on below ground floor dielectric-slab, the upper surface of the ground floor dielectric-slab 1 is provided with circular radiation unit 5, the upper surface of second layer dielectric-slab 2 is provided with bowtie-shaped coupling gap 6, and lower surface is provided with feeding network 8 and phase-shift network 10.Broadband circular polarization microstrip antenna array of the invention row make it have the electric properties such as broadband, circular polarisation using broadband phase shift feeding network and bowtie-shaped coupling slot technology, while lightweight, small volume, section are low, be simple to manufacture.
Description
Technical field
The present invention provides a kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled, belongs to channel radio
Letter technical field.
Background technology
Antenna as wireless communication system an important component, the quality of its performance directly affects radio communication system
The performance of system.In Aero-Space, satellite application, lightness, broadband to antenna, circular polarization characteristics propose higher wanting
Ask.The microstrip antenna with broadband circular polarization characteristics comes with some shortcomings in a wireless communication system at present.
Corner cut circular polarized antenna, the antenna structure is simple, lightweight, but bandwidth of operation is too narrow, only 2%-5%.
The microstrip antenna of external circular polarisation electric bridge form, its working band is wide, and circular polarization characteristics are good, but complex structure, empty
Between size it is larger, feeder loss is big.
Double-fed point, the microstrip antenna of circular polarisation, simple structure, feeding network one are realized by microstrip line length adjustment phase
Bodyization is designed, but is 15%-20% due to causing axial ratio bandwidth narrower by microstrip line length adjustment phase.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, there is provided a kind of broadband circle of C-band aperture-coupled
Polarization micro-strip aerial array, it is a feature of the present invention that the electric property such as broadband, circular polarisation, while lightweight, small volume, cuing open
Face is low, be simple to manufacture.
In order to solve the above technical problems, technical scheme provided by the present invention is：
A kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled, including set gradually from top to bottom
Ground floor dielectric-slab 1, second layer dielectric-slab 2 and third layer metallic reflection plate 3, ground floor dielectric-slab 1 and second layer dielectric-slab 2
Between and second layer dielectric-slab 2 and third layer metallic reflection plate 3 between supported with nylon column 4；It is characterized in that：Described
The upper surface of one layer of dielectric-slab 1 is provided with the radiating element 5 of multiple patch forms arranged in array form at equal intervals；The second layer is situated between
The upper surface of scutum 2 is provided with multiple bowtie-shaped coupling gaps 6 positioned orthogonal to each other, and lower surface is provided with feeding network 8 and for reality
90 ° of phase-shift networks of phase shift 10 in existing broadband；Described feeding network 8 includes one point of three power splitter 11, Weir of multiple two-stages
The gloomy power splitter 9 of gold and multiple circular arc open circuit microstrip lines 7；Each radiating element 5 and two bowtie-shaped couplings positioned orthogonal to each other
The corresponding setting of joint close gap 6；Each bowtie-shaped couples gap 6 with a circular arc open circuit corresponding setting of microstrip line 7.
Wherein, described radiating element 5 is circle, is arranged in odd-numbered line odd column.
Wherein, two bowtie-shaped coupling respective centers in gap 6 positioned orthogonal to each other are located at the center of circle of radiating element 5 respectively
Both sides, and it is same diametrically；And 5 corresponding two bowtie-shaped positioned orthogonal to each other coupling gaps 6 of each radiating element
Orientation it is consistent.
Compared with the prior art the present invention has advantages below：
Present invention employs broadband phase shift feeding network and bowtie-shaped coupling slot technology, increase antenna impedance bandwidth and
Circular polarization ratio bandwidth, wherein the standing wave band less than 2 is wider than 40%, 30% is more than less than 3dB axial ratio bandwidths.
Overall structure of the present invention is simple, and easy to manufacture, lightweight, small volume, section is low, is suitable in a wireless communication system
Using.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is bowtie-shaped coupled structure schematic diagram of the invention；
Fig. 3 is feed network structures schematic diagram of the invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and detailed description：
Fig. 1 is structural representation of the invention, and the present invention has ground floor dielectric-slab 1, second layer dielectric-slab 2, third layer gold
Category reflecting plate and Supported Nylon post 4 are constituted, between ground floor dielectric-slab 1 and second layer dielectric-slab 2 and the He of second layer dielectric-slab 2
Supported with nylon column 4 between third layer metallic reflection plate 3；Fig. 2 is bowtie-shaped coupled structure schematic diagram of the invention, and Fig. 3 is
Feed structure schematic diagram of the invention.
The upper surface of ground floor dielectric-slab 1 is provided with the radiating element of multiple patch forms arranged in array form at equal intervals
5；Described radiating element 5 is circle, is arranged in odd-numbered line odd column.The upper surface of second layer dielectric-slab 2 is being provided with multiple mutually just
The bowtie-shaped coupling gap 6 placed is handed over, lower surface is provided with feeding network 8 and for realizing 90 ° of phase shift nets of phase shift in broadband
Network 10；Described feeding network 8 includes that one point of three power splitter 11 of multiple two-stages, Wilkinson power divider 9 and multiple circular arcs are opened
Road microstrip line 7；The bowtie-shaped coupling gap 6 corresponding setting positioned orthogonal to each other with two of each radiating element 5；Each knot
Shape couples gap 6 with a circular arc open circuit corresponding setting of microstrip line 7.Two bowtie-shaped coupling gaps positioned orthogonal to each other
6 respective centers respectively positioned at the center of circle of radiating element 5 both sides, and it is same diametrically, its effect is by feeding network 8
Energy is mutually coupled conversion with the energy on circular radiation unit 5.And each radiating element 5 corresponding two is positioned orthogonal to each other
Bowtie-shaped coupling gap 6 orientation it is consistent.
The upper surface of ground floor dielectric-slab 1 is applied and is carved with circular radiation unit 5 in the present embodiment, and the quantity of circular radiation unit 5 is 9
It is individual, the row arrangement of 3 row 3.The effect of circular radiation unit 5 is to radiate or receive circular polarization electromagnetic wave signals.
The lower surface of second layer dielectric-slab 2 is applied and is carved with feeding network 8 and phase-shift network 10, is realized to center of circle radiating element 5
Excitation, wherein feeding network 8 opened a way by one point of three power splitter 11 of multiple two-stages, Wilkinson power divider 9 and multiple circular arc
Microstrip line 7 is constituted, and circular arc open circuit microstrip line 7 coordinates bowtie-shaped coupling gap 6 to realize wideband impedance match.One point of three power splitter
11 and Wilkinson power divider move the power distributions realized to 9 circular radiation units 5 feed.Phase-shift network 10 realizes equity
The function of power signal phase quadrature, and phase-shift network 10 is a kind of broadband phase-shift network, antenna is had broadband circle polarized spy
Property.
Third layer metallic reflection plate 3 improves the performance of antenna direction radiation, and inhibits the parasitism of the generation of feeding network 8
Radiation, while for whole antenna plays a supportive role.
Ground floor dielectric-slab 1, second layer dielectric-slab 2 and third layer metallic reflection plate 3 are supported with nylon column 4, and centre is
Air, had not only alleviated antenna weights but also can improve the standing wave bandwidth of antenna.Ground floor dielectric-slab 1 and second layer dielectric-slab 2 are equal
It is printed circuit board technology, is simple to manufacture.
Broadband circular polarization microstrip antenna array row of the invention are using broadband phase shift feeding network and bowtie-shaped coupling gap
Technology, makes it have the electric properties such as broadband, circular polarisation, while lightweight, small volume, section are low, be simple to manufacture.
Operation principle of the invention：When broadband circular polarization microstrip antenna array is listed in emission state, the energy for receiving leads to
Cross feeding network 8 to evenly distribute, and gap is coupled by bowtie-shaped and energy is respectively coupled on radiating element 5, radiating element 5
Energy is radiated in free space；It is process in contrast to receive state.
Claims (3)
1. a kind of broadband circular polarization microstrip antenna array of C-band aperture-coupled is arranged, including set gradually from top to bottom
Ground floor dielectric-slab (1), second layer dielectric-slab (2) and third layer metallic reflection plate (3), ground floor dielectric-slab (1) and the second layer
Supported with nylon column (4) between dielectric-slab (2) and between second layer dielectric-slab (2) and third layer metallic reflection plate (3)；Its
It is characterised by：The upper surface of the ground floor dielectric-slab (1) is provided with multiple patch forms arranged in array form at equal intervals
Radiating element (5)；Second layer dielectric-slab (2) upper surface is provided with multiple bowtie-shapeds coupling gap (6) positioned orthogonal to each other, following table
Face is provided with feeding network (8) and for realizing 90 ° of phase-shift networks of phase shift (10) in broadband；Described feeding network (8) bag
Include one point of three power splitter (11) of multiple two-stages, Wilkinson power divider (9) and multiple circular arcs open circuit microstrip line (7)；Each spoke
Penetrate unit (5) bowtie-shaped coupling gap (6) corresponding setting positioned orthogonal to each other with two；Each bowtie-shaped couples gap
(6) the corresponding setting of microstrip line (7) of being opened a way with circular arc.
2. a kind of broadband circular polarization microstrip antenna array of C-band aperture-coupled according to claim 1 is arranged, and it is special
Levy and be：Described radiating element (5) is circle, is arranged in odd-numbered line odd column.
3. a kind of broadband circular polarization microstrip antenna array of C-band aperture-coupled according to claim 1 is arranged, and it is special
Levy and be：Two bowtie-shaped coupling gap (6) respective centers positioned orthogonal to each other are respectively positioned at radiating element (5) center of circle
Both sides, and it is same diametrically；And the corresponding two bowtie-shaped coupling gaps positioned orthogonal to each other of each radiating element (5)
(6) orientation is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224818.7A CN106848599B (en) | 2016-12-27 | 2016-12-27 | Broadband circularly polarized microstrip antenna array with C-band slot coupling feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224818.7A CN106848599B (en) | 2016-12-27 | 2016-12-27 | Broadband circularly polarized microstrip antenna array with C-band slot coupling feed |
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| Publication Number | Publication Date |
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| CN106848599A true CN106848599A (en) | 2017-06-13 |
| CN106848599B CN106848599B (en) | 2023-07-07 |
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| CN201611224818.7A Active CN106848599B (en) | 2016-12-27 | 2016-12-27 | Broadband circularly polarized microstrip antenna array with C-band slot coupling feed |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732445A (en) * | 2017-09-25 | 2018-02-23 | 华南理工大学 | A kind of millimeter wave circular polarised array antenna and its radiant body |
| CN107834176A (en) * | 2017-11-16 | 2018-03-23 | 西安电子科技大学 | A kind of narrow beam H-shaped slot-coupled Section of Microstrip Antenna Array |
| CN108808220A (en) * | 2018-06-07 | 2018-11-13 | 南京理工大学 | A kind of wideband microstrip array antenna using waveguide feed |
| CN108879091A (en) * | 2018-06-07 | 2018-11-23 | 南京理工大学 | A kind of broadband circularly polarization microstrip array antenna |
| CN109546316A (en) * | 2018-10-31 | 2019-03-29 | 安徽四创电子股份有限公司 | A kind of antenna element |
| CN110797649A (en) * | 2019-11-11 | 2020-02-14 | 中国电子科技集团公司第十四研究所 | Broadband dual-polarization microstrip antenna sub-array with filtering and scaling functions |
| CN111509379A (en) * | 2020-04-09 | 2020-08-07 | 山东华箭科工创新科技有限公司 | Double-layer 5G microstrip array antenna |
| CN111816993A (en) * | 2020-06-04 | 2020-10-23 | 广东通宇通讯股份有限公司 | Direct-fed plastic electroplating antenna unit |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN114824724A (en) * | 2022-04-25 | 2022-07-29 | 北京合众卫通科技有限公司 | Broadband high-gain low-axial-ratio circularly polarized microstrip antenna |
| CN115149279A (en) * | 2022-07-12 | 2022-10-04 | 南京濠暻通讯科技有限公司 | 5G millimeter wave broadband microstrip array antenna |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732445A (en) * | 2017-09-25 | 2018-02-23 | 华南理工大学 | A kind of millimeter wave circular polarised array antenna and its radiant body |
| CN107732445B (en) * | 2017-09-25 | 2023-11-17 | 华南理工大学 | Millimeter wave circularly polarized array antenna and radiator thereof |
| CN107834176A (en) * | 2017-11-16 | 2018-03-23 | 西安电子科技大学 | A kind of narrow beam H-shaped slot-coupled Section of Microstrip Antenna Array |
| CN108808220B (en) * | 2018-06-07 | 2020-06-05 | 南京理工大学 | Broadband microstrip array antenna adopting waveguide feed |
| CN108879091A (en) * | 2018-06-07 | 2018-11-23 | 南京理工大学 | A kind of broadband circularly polarization microstrip array antenna |
| CN108808220A (en) * | 2018-06-07 | 2018-11-13 | 南京理工大学 | A kind of wideband microstrip array antenna using waveguide feed |
| CN109546316A (en) * | 2018-10-31 | 2019-03-29 | 安徽四创电子股份有限公司 | A kind of antenna element |
| CN110797649A (en) * | 2019-11-11 | 2020-02-14 | 中国电子科技集团公司第十四研究所 | Broadband dual-polarization microstrip antenna sub-array with filtering and scaling functions |
| CN110797649B (en) * | 2019-11-11 | 2021-08-24 | 中国电子科技集团公司第十四研究所 | Broadband dual-polarization microstrip antenna sub-array with filtering and scaling functions |
| CN111509379A (en) * | 2020-04-09 | 2020-08-07 | 山东华箭科工创新科技有限公司 | Double-layer 5G microstrip array antenna |
| CN111816993A (en) * | 2020-06-04 | 2020-10-23 | 广东通宇通讯股份有限公司 | Direct-fed plastic electroplating antenna unit |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN114824724A (en) * | 2022-04-25 | 2022-07-29 | 北京合众卫通科技有限公司 | Broadband high-gain low-axial-ratio circularly polarized microstrip antenna |
| CN115149279A (en) * | 2022-07-12 | 2022-10-04 | 南京濠暻通讯科技有限公司 | 5G millimeter wave broadband microstrip array antenna |
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