CN107834181A - Ka wave band large-angle scanning circular polarization microstrip antennas - Google Patents
Ka wave band large-angle scanning circular polarization microstrip antennas Download PDFInfo
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- CN107834181A CN107834181A CN201710539154.1A CN201710539154A CN107834181A CN 107834181 A CN107834181 A CN 107834181A CN 201710539154 A CN201710539154 A CN 201710539154A CN 107834181 A CN107834181 A CN 107834181A
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- antenna
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- feeder line
- floor
- circular polarization
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- 230000010287 polarization Effects 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 67
- 230000003071 parasitic effect Effects 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005388 cross polarization Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Ka wave band large-angle scanning circular polarization microstrip antennas, are related to satellite communication antena technology.The present invention includes following part：First antenna substrate, its front are provided with the first balun feeder line, and its reverse side is provided with the first microstrip dipole line, and the first balun feeder line is connected with the first signal connection end；Second antenna substrate, its front are provided with the second balun feeder line, and its reverse side is provided with the second microstrip dipole line, and the second balun feeder line is connected with secondary signal connection end；First antenna substrate and the second antenna substrate are installed on antenna floor, and first antenna substrate intersects with the second antenna substrate；Antenna floor, it is provided with floor ground wire；4 metallic parasitic rods are additionally provided with antenna floor, respectively positioned at the both ends of first antenna substrate and the both ends of the second antenna substrate；First balun feeder line and the second balun feeder line mutually insulated.The invention has the advantages that in light weight, beam scanning scope is big, bandwidth, and message capacity is big.
Description
Technical field
The present invention relates to satellite communication antena technology.
Background technology
Satellite communication refers to forward radio wave by the use of artificial earth satellite as relay station, so as to realize two or
Communication between multiple earth stations.
Satellite antenna is the important component of communication satellite effective load, is had to the performance of whole satellite communication system
Extremely important influence.Wherein, broad beam (2 θ0.590 ° of ＞) wide angle circular polarized antenna with its it is exclusive without polarization tracking,
Any polarization incoming wave is subjected to, the good characteristic such as small is lost in polarization mismatch in wide angular region, in moving satellite system, airborne thunder
There is huge application potential up to fields such as systems.
Meanwhile satellite antenna and sophisticated radar etc. are during target-seeking, it is often desirable to beam scanning direction constantly changes,
And larger scanning space can be covered, therefore higher requirement is proposed to the scanning angle of antenna radiation pattern.Digital multiple beam
Scanning antenna battle array, it can adaptively change beam. position and target is scanned for and tracked, can neatly control beam position,
Target can be identified, while has transmission data rate height, sweep speed fast and resists the ability of harsh environmental conditions.
The digital multiple beam antenna array used at present uses lap gating system and loudspeaker battle array more, is lacked existing for this array antenna
Point is that not only volume is big, overweight, and beam scanning scope is small,, will after this scope typically at ± 20 ° or so
There is big graing lobe, the gain of main beam is also remarkably decreased.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of Ka wave band large-angle scanning circular polarisation of miniaturization
Microstrip antenna and antenna array.It is new that this kind of antenna and the antenna array being made up of it are that microstrip-type antennas is applied in millimeter wave field
Progress, it achieves breakthrough in terms of volume, weight, miniaturization, wide angle scanning, leads to for satellite communication particularly moonlet
Letter application aspect creates advantage.
It is Ka wave band large-angle scanning circular polarization microstrip antennas that the present invention, which solves the technical scheme that the technical problem uses,
It is characterised in that it includes following part：
First antenna substrate, its front are provided with the first balun feeder line, and its reverse side is provided with the first microstrip dipole line,
First balun feeder line is connected with the first signal connection end；
Second antenna substrate, its front are provided with the second balun feeder line, and its reverse side is provided with the second microstrip dipole line,
Second balun feeder line is connected with secondary signal connection end；
First antenna substrate and the second antenna substrate are installed on antenna floor, first antenna substrate and the second antenna base
Plate intersects；
Antenna floor, it is provided with floor ground wire；
4 metallic parasitic rods are additionally provided with antenna floor, respectively positioned at the both ends of first antenna substrate and the second antenna
The both ends of substrate；
First balun feeder line and the second balun feeder line mutually insulated.
Further, the front vertical of first antenna substrate is in the front of the second antenna substrate.First antenna substrate is just
Face and the front of the second antenna substrate are all perpendicular to antenna floor.4 metallic parasitic rods are all perpendicular to antenna floor.Described
One signal connection end and secondary signal connection end are all coaxial line.The first antenna substrate and the second antenna substrate are all square
Shape flat board, and opening is all provided with the zone of intersection of first antenna substrate and the second antenna substrate.
The first balun feeder line includes the Low ESR area and high resistance regions that are connected, and high resistance regions are across the zone of intersection；Institute
Stating the second balun feeder line includes the Low ESR area and high resistance regions that are connected, and high resistance regions are across the zone of intersection.
Floor ground wire is connected with the first microstrip dipole line, the second microstrip dipole line, the first signal connection end and the
The screen layer of the coaxial line of binary signal connection end connects with floor ground wire.
Explanation to " zone of intersection " herein：Two cross one another flat boards, be equivalent to two it is cross one another rectangular
Body, in infall, some spatially belongs to two cuboids, and this part is referred to as into " zone of intersection " herein.
The antenna substrate of the present invention preferably uses PC plate.PC plate includes the side of front, reverse side and surrounding, generally just
The area of face and reverse side is much larger than any one side, and by taking pcb board as an example, front or back is to cover the surface of copper.
The invention has the advantages that in light weight, beam scanning scope is big, and bandwidth, message capacity is big, available for Ka
Wave band multi-beam wideband satellite communication system (including DTV, digital broadcasting, wide area network interconnection, remote teaching, long-range doctor
Treatment, video conference and video request program), news collection (SNG), VSAT, directly to family (DTH), personal satellite communication, airborne, car
Carry " communication in moving " etc. at a high speed.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the present invention.
Fig. 2 is the side view view of the present invention.
Fig. 3 is the vertical view state schematic diagram of the present invention.
Fig. 4 is first antenna substrate back side schematic diagram.
Fig. 5 is first antenna substrate front side schematic diagram.
Fig. 6 is the second antenna substrate reverse side schematic diagram.
Fig. 7 is the second antenna substrate front schematic view.
Fig. 8 is the feeding network schematic diagram using inventive antenna.
Embodiment
Referring to Fig. 1~7.
Ka wave band large-angle scanning circular polarization microstrip antennas, including following part：
First antenna substrate 21, its front are provided with the first balun feeder line 24, and its reverse side is provided with the first microstrip dipole
Line 31, the first balun feeder line 24 are connected with the first signal connection end 42；
Second antenna substrate 22, its front are provided with the second balun feeder line 20, and its reverse side is provided with the second microstrip dipole
Line 32, the second balun feeder line 20 are connected with secondary signal connection end 41；
The antenna substrate 22 of first antenna substrate 21 and second is installed on antenna floor 25, first antenna substrate 21 and
Two antenna substrates 22 are intersecting；
Flat antenna floor 25, it is provided with floor ground wire；
4 metallic parasitic rods are additionally provided with antenna floor 25, respectively positioned at the both ends of first antenna substrate 21 and second
The both ends of antenna substrate 22；
First balun feeder line and the second balun feeder line mutually insulated.
Axis positioned at two metallic parasitic rods 231,232 at the both ends of first antenna substrate 21 is parallel to each other, this two
The plane (being referred to as the first plane) that the axis of metallic parasitic rod is formed is parallel to the front of first antenna substrate 21.More excellent, the
The obverse and reverse and the first plane systematic of one antenna substrate 21.
Axis positioned at two metallic parasitic rods 233,234 at the both ends of the second antenna substrate 22 is parallel to each other, this two
The plane (being referred to as the second plane) that the axis of metallic parasitic rod is formed is parallel to the front of the second antenna substrate 22.More excellent, the
The obverse and reverse and the second plane systematic of two antenna substrates 22.
The antenna substrate 22 of first antenna substrate 21 and second is all flat board.The front vertical of first antenna substrate 21 is in
The front of two antenna substrates 22.
Also, the front of first antenna substrate and the front of the second antenna substrate are all perpendicular to the front on antenna floor 25.
4 metallic parasitic rods are all perpendicular to antenna floor 25.
First signal connection end and secondary signal connection end are all coaxial line.
First antenna substrate and the second antenna substrate are all rectangular flat, and all in first antenna substrate and the second antenna
Opening is provided with the zone of intersection of substrate.
The first balun feeder line includes the Low ESR area and high resistance regions that are connected, and high resistance regions are across the zone of intersection.The
The Low ESR area of one balun feeder line 24 is rectangular area, and its long side is perpendicular to antenna floor 25；The high resistant of first balun feeder line 24
Anti- area includes a rectangular area, and its long side is perpendicular to antenna floor 25；The Low ESR area of second balun feeder line 20 is rectangle region
Domain, its long side is perpendicular to antenna floor 25；The high resistance regions of second balun feeder line 20 include a rectangular area, and its long side is hung down
Directly in antenna floor 25.
Floor ground wire is connected with the first microstrip dipole line 31, the second microstrip dipole line 32.
If the center operating frequency of the micro-strip dipole antenna of linear polarization：f0=19000MHz,
Free space wavelength can be tried to achieve：λ0=15.79mm
Printed board material uses Taconic RF-35 (tm), thickness h0=0.254mm, permittivity ε=3.5, herein
Under the conditions of, the operation wavelength of antenna
Preferable parameter is as follows：
Microstrip dipole arm lengths L0=0.86 λg=7.26mm
Arm width W0=0.115 λg=0.97mm
Arm base height LH=0.16 λg=1.35mm
Arm base width WH=0.14 λg=1.18mm
Microstrip feed line length Lf=0.25 λg=2.11mm
By the micro-strip dipole antenna of this condition design, its 3dB beam angle is 80 ° or so.For broadening antenna element
Beam angle, respectively on the axis of micro-strip dipole antenna length direction load parasitic metal rod.Metallic parasitic rod with it is micro-
Distance d with dipole antenna center1=3.7mm, 3dB beam angle reach 120 °.
Above-mentioned initial design parameters are optimized using HFSS Electromagnetic Engineerings software, the result of optimization is
The length L of arm0=6mm
The width W of arm0=2.1mm
Arm base height LH=2.25mm
Arm base width WH=1.3mm
Height HS=4.6mm
The Ω microstrip feed lines of input 50
Width W1=0.54mm
Length Lf=2.4mm
100 Ω microstrip feed lines
Width W2=0.2mm
Length 5.2mm
Parasitic metal rod
Height h=2.7mm
Diameter 0.5mm
Floor is square, width WG=8.5mm
In order to realize cross polarization, respectively in one piece of width W of middle cut away of two single polarization microstrip antennasf=
0.3mm, length are respectively L1=1.6mm, L2=3mm cuboid, cuts away partial complementarity, makes its square crossing.In infall,
Being collided in order to avoid feeder line to stagger.
On the basis of cross polarization is realized, circular polarisation, micro-strip are realized by using micro-strip 3dB branch line couplers
3dB branch line couplers are as shown in Figure 8.
Claims (9)
1.Ka wave band large-angle scanning circular polarization microstrip antennas, it is characterised in that including following part：
First antenna substrate (21), its front are provided with the first balun feeder line (24), and its reverse side is provided with the first microstrip dipole
Line (31), the first balun feeder line (24) are connected with the first signal connection end (42)；
Second antenna substrate (22), its front are provided with the second balun feeder line (20), and its reverse side is provided with the second microstrip dipole
Line (32), the second balun feeder line (24) are connected with secondary signal connection end (41)；
First antenna substrate (21) and the second antenna substrate (22) are installed on antenna floor (25), first antenna substrate (21) with
Second antenna substrate (22) is intersecting；
Antenna floor (25), it is provided with floor ground wire；
4 metallic parasitic rods are additionally provided with antenna floor (25), respectively positioned at the both ends and second of first antenna substrate (21)
The both ends of antenna substrate (22)；
First balun feeder line (24) and second balun feeder line (20) mutually insulated.
2. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that first antenna substrate
(21) front vertical is in the front of the second antenna substrate (22).
3. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that first antenna substrate
(21) front and the front of the second antenna substrate (22) is all perpendicular to antenna floor (25).
4. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that 4 metallic parasitic rods
All perpendicular to antenna floor (25).
5. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that first signal connects
It is all coaxial line to connect end (42) and secondary signal connection end (41).
6. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that the first antenna base
Plate (21) and the second antenna substrate (22) they are all rectangular flat, and all in first antenna substrate (21) and the second antenna substrate (22)
The zone of intersection at be provided with opening.
7. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 6, it is characterised in that the first balun feedback
Line (24) includes the Low ESR area and high resistance regions that are connected, and high resistance regions are across the zone of intersection；The second balun feeder line (20)
Including the Low ESR area being connected and high resistance regions, high resistance regions are across the zone of intersection.
8. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 7, it is characterised in that
The Low ESR area of first balun feeder line (24) is rectangular area, and its long side is perpendicular to antenna floor (25)；
The high resistance regions of first balun feeder line (24) include a rectangular area, and its long side is perpendicular to antenna floor (25)；
The Low ESR area of second balun feeder line (20) is rectangular area, and its long side is perpendicular to antenna floor (25)；
The high resistance regions of second balun feeder line (20) include a rectangular area, and its long side is perpendicular to antenna floor (25).
9. Ka wave bands large-angle scanning circular polarization microstrip antenna as claimed in claim 1, it is characterised in that floor is grounded and the
One microstrip dipole line (31), the connection of the second microstrip dipole line (32).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017103574139 | 2017-05-19 | ||
| CN201710357413 | 2017-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834181A true CN107834181A (en) | 2018-03-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801509.5U Active CN207098053U (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antenna arrays |
| CN201710539154.1A Pending CN107834181A (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antennas |
| CN201710539599.XA Pending CN107302133A (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antenna arrays |
| CN201720801111.1U Active CN207353452U (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antennas |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720801509.5U Active CN207098053U (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antenna arrays |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710539599.XA Pending CN107302133A (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antenna arrays |
| CN201720801111.1U Active CN207353452U (en) | 2017-05-19 | 2017-07-04 | Ka wave band large-angle scanning circular polarization microstrip antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN207098053U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207098053U (en) * | 2017-05-19 | 2018-03-13 | 成都银丰信禾电子科技有限公司 | Ka wave band large-angle scanning circular polarization microstrip antenna arrays |
| CN108761218B (en) * | 2018-05-24 | 2021-02-12 | 广东曼克维通信科技有限公司 | Dual-polarized near-field measuring probe |
| CN111987417B (en) * | 2020-09-14 | 2021-06-01 | 电子科技大学 | Multi-beam dual-polarized antenna for 5G-Sub6G Massive MIMO |
| CN115458923A (en) * | 2022-10-28 | 2022-12-09 | 中国电子科技集团公司第二十九研究所 | Low-profile high-gain broadband dual-polarized antenna structure |
| CN117175195B (en) * | 2023-03-16 | 2024-04-12 | 广州程星通信科技有限公司 | Broadband wide-angle scanning double-circular polarization antenna array |
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| CN2836260Y (en) * | 2005-08-05 | 2006-11-08 | 西安海天天线科技股份有限公司 | High-gain horizontally polarized omni-directional array antenna |
| CN103887595B (en) * | 2012-12-21 | 2016-08-17 | 宏达国际电子股份有限公司 | Antenna system |
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2017
- 2017-07-04 CN CN201720801509.5U patent/CN207098053U/en active Active
- 2017-07-04 CN CN201710539154.1A patent/CN107834181A/en active Pending
- 2017-07-04 CN CN201710539599.XA patent/CN107302133A/en active Pending
- 2017-07-04 CN CN201720801111.1U patent/CN207353452U/en active Active
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| CN201219133Y (en) * | 2008-06-02 | 2009-04-08 | 烟台宏益微波科技有限公司 | Broad-band wide-beam circularly polarized antenna |
| CN102800965A (en) * | 2012-07-23 | 2012-11-28 | 电子科技大学 | Broadband wide beam dual-polarization dipole antenna |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN207353452U (en) | 2018-05-11 |
| CN107302133A (en) | 2017-10-27 |
| CN207098053U (en) | 2018-03-13 |
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