CN106711595A - Low-profile C-waveband dual-polarization multi-layer microstrip patch antenna unit - Google Patents
Low-profile C-waveband dual-polarization multi-layer microstrip patch antenna unit Download PDFInfo
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- CN106711595A CN106711595A CN201611140607.5A CN201611140607A CN106711595A CN 106711595 A CN106711595 A CN 106711595A CN 201611140607 A CN201611140607 A CN 201611140607A CN 106711595 A CN106711595 A CN 106711595A
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- low section
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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
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
- H01Q13/085—Slot-line radiating ends
-
- 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
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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Abstract
The invention relates to the technical field of radar antennae, in particular to a low-profile C-waveband dual-polarization multi-layer microstrip patch antenna unit. A perpendicular polarization feed patch is adhered and fixed onto a reflective plate through an conductive adhesive; a first SMA type connector and a second SMA type connector are fixed to the reserves side of the reflective plate; an inner conductor of the first SMA type connector penetrates through the reflective plate, the perpendicular polarization feed patch, a cross recess type coupling slot patch, and a horizontal polarization feed patch to be connected with a metal wire on the upper surface of the horizontal polarization feed patch; an inner conductor of the second SMA type connector penetrates through the reflective plate and the perpendicular polarization feed patch to be connected with a metal wire on the upper surface of the perpendicular polarization feed patch. The antenna unit provided by the invention is small in size, light in weight, convenient in array plane integration, and higher in polarization isolation compared with a conventional dual-polarization antenna.
Description
Technical field
The present invention relates to Radar Antenna System field, more particularly to a kind of low section C-band dual polarized microstrip patch antenna
Unit, it is adaptable to dual polarization Phased Array Radar Antenna system.
Background technology
Dual polarized antenna has independent orthogonal POLARIZATION CHANNEL, is capable of achieving two kinds of electromagnetic waves of cross polarization simultaneously
Transmitting and reception, can increase the data volume of communication, on a communications device using more in a communications device；Can on radar equipment
With reception target echo signal as much as possible, can also receive interference signal space interference is suppressed by later stage treatment.
At present, dual polarized antenna has certain application on the radar of reflecting surface system, but in the radar of phased array system
Upper application is less, and in recent years as Polarization technique is in the fast development of field of radar, polarization phased array is to dual polarized antenna unit
Demand it is more and more, it is desirable to also more and more higher.Relatively low section, band wider are required to dual polarized antenna unit
Wide, less size, interport isolation and polarization isolation are high, lightweight, the features such as be easy to conformal and integrated front.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of dual polarized microstrip patch antenna unit of C-band, by right
Each rational structure design of layer microband paste, the existing dual polarized antenna unit polarization isolation of solution is low, size is big, relative bandwidth
Narrow problem.
The technical scheme is that：The C-band dual polarization multilayer micro-strip paster antenna unit of a kind of low section, by the 3rd
Layer parasitic patch, second layer parasitic patch, ground floor parasitic patch, radiation patch, horizontal polarization fed patch, Phillips-type coupling
Close slot patch, vertical polarization fed patch, reflecting plate, a SMA types connector, the 2nd SMA types connector composition, third layer
Parasitic patch, second layer parasitic patch, ground floor parasitic patch, radiation patch, horizontal polarization fed patch, Phillips-type coupling
Slot patch, vertical polarization fed patch from top to bottom stack arrangement successively, and each interlayer uses half-wave piece hot compression technique pressure
Close connection, it is characterised in that：Described vertical polarization fed patch is adhesively fixed on reflecting plate by conducting resinl, a SMA
Type connector and the 2nd SMA type connectors are fixed on the reverse side of reflecting plate, and the inner wire of a SMA type connectors passes through reflection
On plate, vertical polarization fed patch, Phillips-type coupling slot patch, horizontal polarization fed patch and horizontal polarization fed patch
The metal wire connection on surface, the inner wire of the 2nd SMA type connectors passes through reflecting plate, vertical polarization fed patch and vertical polarization
The metal wire connection of fed patch upper surface.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Third layer parasitic patch be the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide~
15mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Second layer parasitic patch be the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide~
15mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Ground floor parasitic patch be the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide~
15mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Radiation patch be the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 25mm~28mm long, 25mm~28mm wide, dielectric
Constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Horizontal polarization fed patch be the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, 25mm~28mm long, 25mm wide
~28mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Phillips-type coupling slot patch be the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, 25mm~28mm long are wide
25mm~28mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Vertical polarization fed patch be the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, 25mm~28mm long, 25mm wide
~28mm, dielectric constant is 2~3.6.
C-band dual polarization multilayer micro-strip paster antenna unit according to low section as described above, it is characterised in that：It is described
Reflecting plate be thickness 0.5mm~5mm, the aluminium sheet of length of side 28mm~36mm.
The beneficial effects of the invention are as follows：Antenna element small volume, it is lightweight, be easy to front it is integrated, than conventional dual polarization
Antenna polarization isolation more than 10dB high (conventional dual polarized antenna polarization isolation is 25dB~30dB), it is more bipolar than routine
Change antenna port isolation more than 15dB high (conventional dual polarized antenna polarization isolation is 20dB~25dB), horizontal polarization end
Mouth and vertical polarization port voltage standing-wave ratio are respectively less than 1.3, and relative bandwidth is more than 15% (conventional micro-strip paster antenna opposite band
Wide is only 3% or so), can apply to the antenna system of C-band dual polarization two dimensional phased battle array radar.
Brief description of the drawings
Fig. 1 is the third layer parasitic patch structural representation of inventive antenna；
Fig. 2 is the second layer parasitic patch structural representation of inventive antenna；
Fig. 3 is the ground floor parasitic patch structural representation of inventive antenna；
Fig. 4 is the radiation patch structural representation of inventive antenna；
Fig. 5 is the horizontal polarization fed patch structural representation of inventive antenna；
Fig. 6 is the Phillips-type coupling gap paster structure schematic diagram of inventive antenna；
Fig. 7 is the vertical polarization fed patch structural representation of inventive antenna；
Fig. 8 is the reflection board structure schematic diagram of inventive antenna；
Fig. 9 is the top view of inventive antenna；
Figure 10 is the side view of inventive antenna.
Specific embodiment
Description of reference numerals：1-third layer parasitic patch, 2-second layer parasitic patch, 3-ground floor parasitic patch,
4-radiation patch, 5-horizontal polarization fed patch, 6-Phillips-type coupling slot patch, 7-vertical polarization fed patch,
8-reflecting plate, the 9-the one SMA type connectors, the 10-the two SMA type connectors.
Below in conjunction with drawings and Examples, the present invention is further described.
It is C-band that dual polarization multilayer micro-strip paster antenna of the invention is applicable frequency range.As shown in Figures 1 to 10, the present invention
A kind of dual polarization multilayer micro-strip paster antenna unit it is parasitic by third layer parasitic patch 1, second layer parasitic patch 2, ground floor
It is paster 3, radiation patch 4, horizontal polarization fed patch 5, Phillips-type coupling slot patch 6, vertical polarization fed patch 7, anti-
Plate 8, a SMA types connector 9, the 2nd SMA types connector 10 is penetrated to constitute.Third layer parasitic patch 1, second layer parasitic patch 2,
Ground floor parasitic patch 3, radiation patch 4, coupling slot patch 6, the vertical polarization feedback of horizontal polarization fed patch 5, Phillips-type
Electric paster 7 from top to bottom stacks arrangement successively, and each interlayer presses connection, vertical polarization feed using half-wave piece hot compression technique
Paster 7 is adhesively fixed on reflecting plate 8 by conducting resinl, and a SMA types connector 9 and the 2nd SMA types connector 10 are fixed on
The reverse side of reflecting plate 8, the inner wire of a SMA types connector 9 passes through reflecting plate 8, vertical polarization fed patch 7, Phillips-type
Coupling slot patch 6, horizontal polarization fed patch 5 are connected with the metal wire of the upper surface of horizontal polarization fed patch 5, the 2nd SMA
Gold of the inner wire of type connector 10 through reflecting plate 8, vertical polarization fed patch 7 and the upper surface of vertical polarization fed patch 7
Category line connection.
Because the horizontal polarization feed layer and vertical polarization feed layer of the antenna are symmetrically distributed in Phillips-type coupling gap
Levels, while feeding line portion (upper surface of horizontal polarization fed patch 5 and vertical polarization fed patch 7) is also adopted by one point
Two symmetrical structures, so the antenna overall structure has symmetry very high.Symmetry (the level of height in structure of the present invention
Polarization fed patch 5 and vertical polarization fed patch 7 feed symmetrical Rotating fields, horizontal polarization fed patch 5 and vertical pole
Change fed patch 7 symmetrical above and below relative to Phillips-type coupling slot patch 6) ensure that the high degree of symmetry of magnetic distribution, energy
Pattern distortion caused by heterogeneous radiation is avoided, effectively suppresses cross polarization level, the antenna is had than conventional bipolar change
Antenna polarization isolation higher.Because the horizontal polarization feed layer and vertical polarization feed layer of the antenna are symmetrically distributed in coupling
The levels in gap, parasitic and mutual coupling effect is weaker, can effectively improve interport isolation.
Third layer parasitic patch 1 of the invention is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, preferably 1.5mm,
12mm~15mm long, preferably 13.9mm, 12mm~15mm wide, preferably 13.9mm, dielectric constant are 2~3.6, preferably 2.94, the
As shown in Figure 1, dash area is to apply copper in three layers of front of parasitic patch 1.
Second layer parasitic patch 2 of the invention is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, preferably 1.5mm,
12mm~15mm long, preferably 13.9mm, 12mm~15mm wide, preferably 13.9mm, dielectric constant are 2~3.6, preferably 2.94, the
As shown in Figure 2, dash area is to apply copper in two layers of front of parasitic patch 2.
Ground floor parasitic patch 3 of the invention is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, preferably 1.5mm,
12mm~15mm long, preferably 13.9mm, 12mm~15mm wide, preferably 13.9mm, dielectric constant are 2~3.6, preferably 2.94, the
As shown in Figure 3, dash area is to apply copper in one layer of front of parasitic patch 3.
Radiation patch of the invention 4 is square PTFE ceramics copper clad plates, thickness 1mm~3mm, preferably 1.5mm, 25mm long
~28mm, preferably 27mm, 25mm~28mm wide, preferably 27mm, dielectric constant are 2~3.6, preferably 2.94, the front of radiation patch 4
As shown in Figure 4, dash area is to apply copper, and non-shaded portion is the medium after ceramic copper clad plate top layer corrosion.
Horizontal polarization fed patch 5 of the invention is the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, preferably
0.1mm, preferably 25mm~28mm long, 27mm, 25mm~28mm wide, preferably 27mm, dielectric constant are 2~3.6, preferably 2.94,
As shown in Figure 5, dash area is micro-strip balanced feeding network to the front of radiation patch 5, and its material is presented to cover copper, i.e. horizontal polarization
Electric layer, non-shaded portion is the medium after ceramic copper clad plate top layer corrosion.Micro-strip balanced feeding network and a SMA type connectors
9 are connected by the way of welding, and electrical feeding connections point microstrip line uses one-to-two shape symmetrical structure, a length of 4mm of main line partial line
~6mm, preferably 5.7mm, line width are 0.8mm~1.5mm, preferably 1.4mm, and impedance matching is carried out with a SMA types connector 9,
Micro-strip balanced feeding network branches line part is 7mm~10mm long, preferably 8.4mm, preferably 0.5mm~1.5mm wide, 1mm, is passed through
Impedance is converted, and realizes that feed end couples the impedance matching at gap and aerial radiation end with Phillips-type.Micro-strip balanced feeding network
There is circular metal land with the junction of a SMA types connector 9, pad diameter is 1mm~2mm, preferably 1.4mm.
Phillips-type of the invention coupling slot patch 6 is the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm,
It is preferred that 0.1mm, preferably 25mm~28mm long, 27mm, 25mm~28mm wide, preferably 27mm, dielectric constant are 2~3.6, preferably
2.94, as shown in Figure 6, dash area is to apply copper to the front of radiation patch 6, and non-shaded portion is that Phillips-type couples gap.
Vertical polarization fed patch 7 of the invention is the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, preferably
0.1mm, preferably 25mm~28mm long, 27mm, 25mm~28mm wide, preferably 27mm, dielectric constant are 2~3.6, preferably 2.94,
As shown in Figure 7, dash area is micro-strip balanced feeding network to the front of radiation patch 7, and its material is presented to cover copper, i.e. vertical polarization
Electric layer, non-shaded portion is the medium after ceramic copper clad plate top layer corrosion.Micro-strip balanced feeding network and the 2nd SMA type connectors
10 are connected by the way of welding, and electrical feeding connections point microstrip line uses one-to-two shape symmetrical structure, a length of 3mm of main line partial line
~5mm, preferably 4mm, line width are 0.6mm~0.9mm, preferably 0.7mm, and impedance matching is carried out with the 2nd SMA types connector 10, micro-
Band balanced feeding network branches line part is 9mm~12mm long, preferably 11.4mm, preferably 1.8mm~2.4mm wide, 2.25mm, is led to
Impedance conversion is crossed, realizes that feed end couples the impedance matching at gap and aerial radiation end with Phillips-type.
Reflecting plate of the invention is thickness 0.5mm~5mm, the aluminium sheet of length of side 28mm~36mm.
Claims (9)
1. a kind of C-band dual polarization multilayer micro-strip paster antenna unit of low section, parasitic by third layer parasitic patch, the second layer
Paster, ground floor parasitic patch, radiation patch, horizontal polarization fed patch, Phillips-type coupling slot patch, vertical polarization feedback
Electric paster, reflecting plate, a SMA types connector, the 2nd SMA types connector composition, the parasitic patch of third layer parasitic patch, the second layer
Piece, ground floor parasitic patch, radiation patch, horizontal polarization fed patch, Phillips-type coupling slot patch, vertical polarization feed
Paster from top to bottom stacks arrangement successively, and each interlayer presses connection using half-wave piece hot compression technique, it is characterised in that：It is described
Vertical polarization fed patch be adhesively fixed on reflecting plate by conducting resinl, a SMA types connector and the 2nd SMA types are connected
Device is fixed on the reverse side of reflecting plate, and the inner wire of a SMA type connectors passes through reflecting plate, vertical polarization fed patch, cross
Groove profile coupling slot patch, horizontal polarization fed patch are connected with the metal wire of horizontal polarization fed patch upper surface, the 2nd SMA
The inner wire of type connector connects through the metal wire of reflecting plate, vertical polarization fed patch and vertical polarization fed patch upper surface
Connect.
2. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described third layer parasitic patch is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide
~15mm, dielectric constant is 2~3.6.
3. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described second layer parasitic patch is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide~
15mm, dielectric constant is 2~3.6.
4. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described ground floor parasitic patch is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 12mm~15mm long, 12mm wide~
15mm, dielectric constant is 2~3.6.
5. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described radiation patch is the ceramic copper clad plates of square PTFE, thickness 1mm~3mm, 25mm~28mm long, 25mm~28mm wide,
Dielectric constant is 2~3.6.
6. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described horizontal polarization fed patch is square PTFE ceramics copper clad plates, and thickness 0.1mm~0.5mm, 25mm~28mm long are wide
25mm~28mm, dielectric constant is 2~3.6.
7. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described Phillips-type coupling slot patch is the ceramic copper clad plates of square PTFE, thickness 0.1mm~0.5mm, 25mm long~
28mm, 25mm~28mm wide, dielectric constant are 2~3.6.
8. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described vertical polarization fed patch is square PTFE ceramics copper clad plates, and thickness 0.1mm~0.5mm, 25mm~28mm long are wide
25mm~28mm, dielectric constant is 2~3.6.
9. the C-band dual polarization multilayer micro-strip paster antenna unit of low section according to claim 1, it is characterised in that：
Described reflecting plate is thickness 0.5mm~5mm, the aluminium sheet of length of side 28mm~36mm.
Priority Applications (1)
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| CN201611140607.5A CN106711595B (en) | 2016-12-12 | 2016-12-12 | A kind of C-band dual polarization multilayer micro-strip paster antenna unit of low section |
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|---|---|---|---|
| CN201611140607.5A CN106711595B (en) | 2016-12-12 | 2016-12-12 | A kind of C-band dual polarization multilayer micro-strip paster antenna unit of low section |
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| CN106711595B CN106711595B (en) | 2019-07-05 |
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| CN109037923A (en) * | 2018-06-28 | 2018-12-18 | 华南理工大学 | A kind of mimo antenna array of millimeter wave broadband filter antenna and its composition |
| CN109088161A (en) * | 2018-08-13 | 2018-12-25 | 苏州速感智能科技有限公司 | It works in the micro-strip paster antenna, array and array design methodology of millimere-wave band |
| CN111129749A (en) * | 2018-10-31 | 2020-05-08 | 华为技术有限公司 | Dual-polarized antenna, antenna array and communication equipment |
| CN112467339A (en) * | 2020-11-23 | 2021-03-09 | 维沃移动通信有限公司 | Antenna and electronic equipment |
| CN112751184A (en) * | 2020-12-29 | 2021-05-04 | 电子科技大学 | Phased array antenna with high radiation efficiency and low scattering characteristic |
| CN117394027A (en) * | 2023-12-12 | 2024-01-12 | 华南理工大学 | Dual-frequency self-isolation in-band full-duplex super-surface antenna and design method thereof |
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| CN112751184A (en) * | 2020-12-29 | 2021-05-04 | 电子科技大学 | Phased array antenna with high radiation efficiency and low scattering characteristic |
| CN112751184B (en) * | 2020-12-29 | 2021-11-02 | 电子科技大学 | Phased array antenna with high radiation efficiency and low scattering characteristic |
| CN117394027A (en) * | 2023-12-12 | 2024-01-12 | 华南理工大学 | Dual-frequency self-isolation in-band full-duplex super-surface antenna and design method thereof |
| CN117394027B (en) * | 2023-12-12 | 2024-03-08 | 华南理工大学 | Dual-frequency self-isolation in-band full-duplex super-surface antenna and design method thereof |
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| CN106711595B (en) | 2019-07-05 |
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