CN106972248B - A kind of conformal four-arm spiral antenna of miniaturization printing - Google Patents
A kind of conformal four-arm spiral antenna of miniaturization printing Download PDFInfo
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- CN106972248B CN106972248B CN201710189914.0A CN201710189914A CN106972248B CN 106972248 B CN106972248 B CN 106972248B CN 201710189914 A CN201710189914 A CN 201710189914A CN 106972248 B CN106972248 B CN 106972248B
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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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
Abstract
The present invention relates to a kind of miniaturizations to print conformal four-arm spiral antenna, using three-decker, antenna arm uses clip structure, on the basis of reducing size, still there are good broad beam circular polarization characteristics, higher gain and good bandwidth characteristic, and in bandwidth range inner shaft than being respectively less than 3dB, still it is able to maintain preferable broad beam circular polarization characteristics, and dual frequency characteristics and conformal nature may be implemented, it can be used for GPS system and dipper system simultaneously, size to be smaller, about 1/3 with resonance frequency antenna size.
Description
Technical field
The present invention relates to a kind of miniaturizations to print conformal four-arm spiral antenna, belongs to antcnnas manufacturing technology field.
Background technique
With the development of Modern wireless communication technology, satellite navigation and location system plays a part of in human society life
It is more and more important.Global positioning system (Global Positioning System, GPS) is in civilian and military field
It has a wide range of applications.GPS positioning technology is rapidly developed in civil field in recent years, especially in automobile navigation and movement
Phone positions the two aspects.And the antenna that research satellite positioning system terminal uses has important value and meaning, especially
It is the broadband of antenna, miniaturization technology is the direction that antenna research continues to develop.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of miniaturizations to print conformal four-arm spiral antenna, which exists
Still there is good broad beam circular polarization characteristics, higher gain and good bandwidth characteristic on the basis of reduction size.
In order to solve the above-mentioned technical problem the present invention uses following technical scheme: the present invention devises a kind of miniaturization printing
Conformal four-arm spiral antenna, including the first flexible dielectric substrate (1), the second flexible dielectric substrate (2), ground connection flexible board (3), the
One one-to-two power splitter (4), the second one-to-two power splitter (5), third one-to-two power splitter (6) and four back-shaped needle-like structures
Spiral arm (7)；Wherein, wherein one group of both sides relative to each other is mutually butted composition cylinder knot in the first flexible dielectric substrate (1)
Structure, wherein one group of both sides relative to each other is mutually butted composition cylindrical structure in the second flexible dielectric substrate (2), is grounded flexible board
(3) wherein one group of both sides relative to each other is mutually butted composition cylindrical structure, the first flexible dielectric substrate (1) institute structure cylinder knot on
Structure height is equal to twice of the second flexible dielectric substrate (2) institute structure cylindrical structure height, is grounded flexible board (3) institute structure cylindrical structure
Height is lower than the second flexible dielectric substrate (2) institute structure cylindrical structure height；Second flexible dielectric substrate (2) institute's structure cylindrical structure position
Inside the first flexible dielectric substrate (1) institute structure cylindrical structure, and the second flexible dielectric substrate (2) institute structure cylindrical structure bottom edge with
First flexible dielectric substrate (1) institute's structure cylindrical structure bottom edge is coplanar, and it is flexible that ground connection flexible board (3) institute's structure cylindrical structure is located at second
Between medium substrate (2) institute's structure cylindrical structure and the first flexible dielectric substrate (1) institute structure cylindrical structure, and it is grounded flexible board (3)
Institute's structure cylindrical structure top margin is coplanar with the second flexible dielectric substrate (2) institute's structure cylindrical structure top margin, ground connection flexible board (3) institute's structure circle
Barrel structure along axis line projection outer diameter with the first flexible dielectric substrate (1) institute's structure cylindrical structure along the internal diameter phase of axis line projection
It adapts to, the outer wall and the first flexible dielectric substrate (1) institute structure cylindrical structure inner wall for being grounded flexible board (3) institute structure cylindrical structure are affixed
It closes, outer diameter and ground connection flexible board (3) institute structure cylinder knot of the second flexible dielectric substrate (2) the institute's structure cylindrical structure along axis line projection
Structure is adapted along the internal diameter of axis line projection, the second flexible dielectric substrate (2) institute's structure cylindrical structure outer wall and ground connection flexible board (3)
Institute's structure cylindrical structure fits along inner wall；
The first flexible dielectric substrate (1) institute's structure cylindrical structure is defined a length of first week along the periphery of axis line projection annulus
Long, the first one-to-two power splitter (4), the second one-to-two power splitter (5) are respectively arranged at the first flexible dielectric substrate (1) institute's structure circle
On the outer wall of barrel structure, the input terminal of the first one-to-two power splitter (4), the second one-to-two power splitter (5) input terminal respectively with
The bottom edge of first flexible dielectric substrate (1) institute structure cylindrical structure outer wall is connected, the first one-to-two power splitter (4) input end position with
Second one-to-two power splitter (5) inputs and is spaced 1/2 first perimeter between end position, the output of the first one-to-two power splitter (4) two
(5) two end, the second one-to-two power splitter output ends are coplanar, and coplanar and the first flexible dielectric substrate (1) institute structure cylinder
Face where structure bottom edge is parallel, 1/4 first perimeter of interval between the first output end position of one-to-two power splitter (4) two, and second
1/4 first perimeter, the first one-to-two power splitter (4) and the 2nd 1 are spaced between (5) two output end positions of one-to-two power splitter
Divide and is spaced 1/4 first perimeter between two power splitters (5) between two neighboring output end position；The length of each spiral arm (7) point
Not Deng Yu 3/4 signal wavelength, each spiral arm (7) is respectively arranged at the outer of the first flexible dielectric substrate (1) institute structure cylindrical structure
On wall, wherein one end of each spiral arm (7) respectively with (4) two output ends of the first one-to-two power splitter, the second one-to-two function
Be divided to (5) two output ends of device to be connected, each spiral arm (7) respectively with the first flexible dielectric substrate (1) institute structure cylindrical structure
Top margin is in contact, and the setting angle of each spiral arm (7) is mutually the same, and shared first flexibility is situated between each spiral arm (7) respectively
The region span of matter substrate (1) institute structure cylindrical structure outer wall is 1/4 first perimeter；
Third one-to-two power splitter (6) is set on the inner wall of the second flexible dielectric substrate (2) institute structure cylindrical structure, third
Two output ends of one-to-two power splitter (6) respectively with the bottom edge phase of the second flexible dielectric substrate (2) institute structure cylindrical structure inner wall
Even, (6) two output end positions of third one-to-two power splitter input end position, second with the first one-to-two power splitter (4) respectively
One-to-two power splitter (5) input end position it is corresponding, and (6) two output ends of third one-to-two power splitter pass through respectively one it is micro-
Band line is connected with corresponding first one-to-two power splitter (4) input terminal, the second one-to-two power splitter (5) input terminal, each micro-strip
Line passes through the first flexible dielectric substrate (1) institute's structure cylindrical structure bottom edge, the second flexible dielectric substrate (2) institute structure cylindrical structure respectively
Bottom edge, and across the gap between two bottom edge, the input terminal of third one-to-two power splitter (6) is through the second flexible dielectric substrate
(2) institute's structure cylindrical structure top margin is connected with ground connection flexible board (3) institute structure cylindrical structure top margin.
As a preferred technical solution of the present invention: being connected on each spiral arm (7) with one-to-two power splitter
The width of end is equal with the width of connected one-to-two power splitter output end respectively.
As a preferred technical solution of the present invention: the first one-to-two power splitter (4), the second one-to-two power splitter
(5) ipsilateral output end corresponds to short 1/4 signal wavelength of output end of the other side than it respectively on.
As a preferred technical solution of the present invention: in two output ends on the third one-to-two power splitter (6),
The output end of delayed phase 1/2 signal wavelength longer than another output.
As a preferred technical solution of the present invention: in two output ends on the third one-to-two power splitter (6),
Bending shape is set on the output end of delayed phase.
A kind of miniaturization of the present invention prints conformal four-arm spiral antenna and uses above technical scheme and prior art phase
Than having following technical effect that conformal four-arm spiral antenna is printed in the miniaturization that the present invention designs, using three-decker, antenna
Arm uses clip structure, on the basis of reducing size, still with good broad beam circular polarization characteristics, higher gain with
And good bandwidth characteristic, and preferable broad beam circular polarization characteristics are still able to maintain than respectively less than 3dB in bandwidth range inner shaft,
And dual frequency characteristics and conformal nature may be implemented, GPS system and dipper system can be used for simultaneously, size is smaller, about together
The 1/3 of resonance frequency antenna size.
Detailed description of the invention
Fig. 1 is the first flexible dielectric substrate (1) outer wall expansion tiling schematic diagram during the present invention is designed；
Fig. 2 is the second flexible dielectric substrate (2) inner wall expansion tiling schematic diagram during the present invention is designed；
Fig. 3 is the upright projection schematic diagram that conformal four-arm spiral antenna is printed in the designed miniaturization of the present invention.
Wherein, 1. first flexible dielectric substrate, 2. second flexible dielectric substrates, 3. ground connection flexible boards, 4. first one-to-two
Power splitter, 5. second one-to-two power splitters, 6. third one-to-two power splitters, 7. spiral arms.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings of the specification.
As shown in figure 3, the present invention devises a kind of conformal four-arm spiral antenna of miniaturization printing, work as in actual application
In, specifically include the first flexible dielectric substrate (1), the second flexible dielectric substrate (2), ground connection flexible board (3), the first one-to-two function
Divide the spiral arm (7) of device (4), the second one-to-two power splitter (5), third one-to-two power splitter (6) and four back-shaped needle-like structures；
Wherein, wherein one group of both sides relative to each other is mutually butted composition cylindrical structure in the first flexible dielectric substrate (1), and second is flexible
Wherein one group of both sides relative to each other is mutually butted composition cylindrical structure on medium substrate (2), wherein one on ground connection flexible board (3)
Group both sides relative to each other are mutually butted composition cylindrical structure, and the first flexible dielectric substrate (1) institute structure cylindrical structure height is equal to
Twice of second flexible dielectric substrate (2) institute structure cylindrical structure height, ground connection flexible board (3) institute structure cylindrical structure height is lower than the
Two flexible dielectric substrates (2) institute structure cylindrical structure height；It is flexible that second flexible dielectric substrate (2) institute's structure cylindrical structure is located at first
Inside medium substrate (1) institute structure cylindrical structure, and the second flexible dielectric substrate (2) institute structure cylindrical structure bottom edge and first flexible Jie
Matter substrate (1) institute's structure cylindrical structure bottom edge is coplanar, and ground connection flexible board (3) institute's structure cylindrical structure is located at the second flexible dielectric substrate
(2) between institute's structure cylindrical structure and the first flexible dielectric substrate (1) institute structure cylindrical structure, and it is grounded flexible board (3) institute structure cylinder
Structure top margin is coplanar with the second flexible dielectric substrate (2) institute's structure cylindrical structure top margin, is grounded flexible board (3) institute's structure cylindrical structure edge
The outer diameter of axis line projection and the first flexible dielectric substrate (1) institute's structure cylindrical structure are adapted along the internal diameter of axis line projection, are connect
The outer wall of ground flexible board (3) institute structure cylindrical structure fits with the first flexible dielectric substrate (1) institute structure cylindrical structure inner wall, and second
Flexible dielectric substrate (2) institute's structure cylindrical structure is along the outer diameter and ground connection flexible board (3) institute structure cylindrical structure edge of axis line projection
The internal diameter of axis projections is adapted, the second flexible dielectric substrate (2) institute's structure cylindrical structure outer wall and ground connection flexible board (3) institute's structure circle
Barrel structure fits along inner wall.
As shown in Figure 1, defining the first flexible dielectric substrate (1) institute's structure cylindrical structure along the outer perimeter of axis line projection annulus
For the first perimeter, the first one-to-two power splitter (4), the second one-to-two power splitter (5) are respectively arranged at the first flexible dielectric substrate
(1) on the outer wall of institute's structure cylindrical structure, the input of the input terminal of the first one-to-two power splitter (4), the second one-to-two power splitter (5)
End is connected with the bottom edge of the first flexible dielectric substrate (1) institute structure cylindrical structure outer wall respectively, and the first one-to-two power splitter (4) inputs
1/2 first perimeter, the first one-to-two power splitter (4) are spaced between end position and the second one-to-two power splitter (5) input end position
(5) two two output ends, the second one-to-two power splitter output ends are coplanar, and coplanar and the first flexible dielectric substrate (1)
Face where institute's structure cylindrical structure bottom edge is parallel, is spaced 1/4 first week between the first output end position of one-to-two power splitter (4) two
It is long, be spaced 1/4 first perimeter between the second output end position of one-to-two power splitter (5) two, the first one-to-two power splitter (4) with
1/4 first perimeter is spaced between second one-to-two power splitter (5) between two neighboring output end position, the circle of antenna is realized with this
Polarization characteristic；Ipsilateral output end is corresponded to than it another respectively on first one-to-two power splitter (4), the second one-to-two power splitter (5)
Short 1/4 signal wavelength of the output end of side；The length of each spiral arm (7) is respectively equal to 3/4 signal wavelength, each spiral arm
(7) it is respectively arranged on the outer wall of the first flexible dielectric substrate (1) institute structure cylindrical structure, wherein one end of each spiral arm (7)
It is connected respectively with (5) two (4) two output ends of the first one-to-two power splitter, the second one-to-two power splitter output ends, it is each
Spiral arm (7) is in contact with the top margin of the first flexible dielectric substrate (1) institute structure cylindrical structure respectively, and each spiral arm (7) are set
Angle setting degree is mutually the same, and the area of shared first flexible dielectric substrate (1) institute structure cylindrical structure outer wall of each spiral arm (7) difference
Domain span is 1/4 first perimeter, the width for the end being connected on each spiral arm (7) with one-to-two power splitter, respectively with connect
The width of one-to-two power splitter output end is equal, makes impedance phase of the impedance of the output end of feeding network with the input terminal of antenna
Match, so as to improve gain.
As shown in Fig. 2, third one-to-two power splitter (6) is set to the second flexible dielectric substrate (2) institute structure cylindrical structure
On inner wall, two output ends of third one-to-two power splitter (6) are respectively and in the second flexible dielectric substrate (2) institute structure cylindrical structure
The bottom edge of wall is connected, (6) two output end positions of third one-to-two power splitter respectively with first one-to-two power splitter (4) input terminal
Position, the second one-to-two power splitter (5) input end position are corresponding, and (6) two output end difference of third one-to-two power splitter
Pass through a microstrip line and corresponding first one-to-two power splitter (4) input terminal, second one-to-two power splitter (5) input terminal phase
Even, each microstrip line passes through the first flexible dielectric substrate (1) institute's structure cylindrical structure bottom edge, the second flexible dielectric substrate (2) respectively
Institute's structure cylindrical structure bottom edge, and across the gap between two bottom edge, this gap can be to avoid being printed on two dielectric-slabs
The partial earthing that power splitter is connected to each other, causes aberrations in property；In two output ends on third one-to-two power splitter (6),
The output end of delayed phase 1/2 signal wavelength longer than another output, and pass through bent on the output end of delayed phase
Shape realizes 1/2 signal wavelength longer than another output, and the input terminal of third one-to-two power splitter (6) is through the second flexible media base
Plate (2) institute's structure cylindrical structure top margin is connected with ground connection flexible board (3) institute structure cylindrical structure top margin.
Designed minimize of the invention prints conformal four-arm spiral antenna, in practical application, using laser technology or printing
Circuit technology is manufactured, the first one-to-two power splitter (4), the second one-to-two power splitter (5), third one-to-two power splitter (6)
It separately designs using the first Wilkinson one-to-two power splitter, the second Wilkinson one-to-two power splitter, third Wilkinson one
Point two power splitters, and three Wilkinson power dividers will respectively using the micro-strip resistance that 3 resistance values are 100 ohm play every
From effect, guarantee that the amplitude of output end is consistent, reduces loss；Spiral arm use clip structure, make its size reduce four/
Three；Feeding network is printed on respectively on two pieces of different medium substrates, its size is made to reduce half, and the two phase is simultaneously, overall
Size reduces 2/3rds, and the end of spiral arm and the starting point of spiral arm are close but be not attached to, and can realize dual frequency characteristics
And broaden the bandwidth of antenna.In this way, the present invention uses three-decker, antenna arm uses clip structure, in the base for reducing size
On plinth, still there is good broad beam circular polarization characteristics, higher gain and good bandwidth characteristic, and in bandwidth range
Axis is still able to maintain preferable broad beam circular polarization characteristics, and dual frequency characteristics and conformal spy may be implemented than being respectively less than 3dB
Property, it can be used for GPS system and dipper system simultaneously, size to be smaller, about 1/3 with resonance frequency antenna size.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (5)
1. conformal four-arm spiral antenna is printed in a kind of miniaturization, it is characterised in that: including the first flexible dielectric substrate (1), second
Flexible dielectric substrate (2), ground connection flexible board (3), the first one-to-two power splitter (4), the second one-to-two power splitter (5), the 3rd 1
Divide the spiral arm (7) of two power splitters (6) and four back-shaped needle-like structures；Wherein, wherein one group in the first flexible dielectric substrate (1)
Both sides relative to each other are mutually butted composition cylindrical structure, wherein one group relative to each other two in the second flexible dielectric substrate (2)
While being mutually butted composition cylindrical structure, wherein one group of both sides relative to each other is mutually butted composition cylinder on ground connection flexible board (3)
Structure, it is high that the first flexible dielectric substrate (1) institute structure cylindrical structure height is equal to the second flexible dielectric substrate (2) institute structure cylindrical structure
Twice of degree, ground connection flexible board (3) institute structure cylindrical structure height are high lower than the second flexible dielectric substrate (2) institute structure cylindrical structure
Degree；Second flexible dielectric substrate (2) institute's structure cylindrical structure is located inside the first flexible dielectric substrate (1) institute structure cylindrical structure, and
Second flexible dielectric substrate (2) institute structure cylindrical structure bottom edge is coplanar with the first flexible dielectric substrate (1) institute structure cylindrical structure bottom edge,
Ground connection flexible board (3) institute's structure cylindrical structure is located at the second flexible dielectric substrate (2) institute's structure cylindrical structure and the first flexible media base
Between plate (1) institute structure cylindrical structure, and it is grounded flexible board (3) institute's structure cylindrical structure top margin and the second flexible dielectric substrate (2) institute
Structure cylindrical structure top margin is coplanar, outer diameter and first flexible media of ground connection flexible board (3) the institute's structure cylindrical structure along axis line projection
Substrate (1) institute's structure cylindrical structure along axis line projection internal diameter be adapted, be grounded flexible board (3) institute structure cylindrical structure outer wall with
First flexible dielectric substrate (1) institute structure cylindrical structure inner wall fits, and the second flexible dielectric substrate (2) institute structure cylindrical structure is in
The outer diameter and ground connection flexible board (3) institute's structure cylindrical structure of axis projections are adapted along the internal diameter of axis line projection, second flexible Jie
Matter substrate (2) institute's structure cylindrical structure outer wall fits with ground connection flexible board (3) institute structure cylindrical structure along inner wall；
The first flexible dielectric substrate (1) institute's structure cylindrical structure is defined along a length of first perimeter in the periphery of axis line projection annulus,
One one-to-two power splitter (4), the second one-to-two power splitter (5) are respectively arranged at the first flexible dielectric substrate (1) institute structure cylinder knot
On the outer wall of structure, the input terminal of the first one-to-two power splitter (4), the second one-to-two power splitter (5) input terminal respectively with first
The bottom edge of flexible dielectric substrate (1) institute structure cylindrical structure outer wall is connected, and the first one-to-two power splitter (4) inputs end position and second
One-to-two power splitter (5) inputs and is spaced 1/2 first perimeter between end position, the first output end of one-to-two power splitter (4) two, the
Two output ends of one-to-two power splitter (5) two are coplanar, and coplanar and the first flexible dielectric substrate (1) institute's structure cylindrical structure bottom
Face where side is parallel, and 1/4 first perimeter, the second one-to-two are spaced between the first output end position of one-to-two power splitter (4) two
1/4 first perimeter, the first one-to-two power splitter (4) and the second one-to-two function are spaced between (5) two output end positions of power splitter
Divide and is spaced 1/4 first perimeter between device (5) between two neighboring output end position；The length of each spiral arm (7) is respectively equal to
3/4 signal wavelength, each spiral arm (7) are respectively arranged on the outer wall of the first flexible dielectric substrate (1) institute structure cylindrical structure, respectively
Wherein one end of a spiral arm (7) respectively with (4) two output ends of the first one-to-two power splitter, the second one-to-two power splitter (5)
Two output ends are connected, and each spiral arm (7) connects with the top margin of the first flexible dielectric substrate (1) institute structure cylindrical structure respectively
Touching, the setting angle of each spiral arm (7) is mutually the same, and shared first flexible dielectric substrate (1) of each spiral arm (7) difference
The region span of institute's structure cylindrical structure outer wall is 1/4 first perimeter；
Third one-to-two power splitter (6) is set on the inner wall of the second flexible dielectric substrate (2) institute structure cylindrical structure, and the 3rd 1 point
Two output ends of two power splitters (6) are connected with the bottom edge of the second flexible dielectric substrate (2) institute structure cylindrical structure inner wall respectively, and
Three output end positions of one-to-two power splitter (6) two input end position, the second one-to-two with the first one-to-two power splitter (4) respectively
Power splitter (5) input end position it is corresponding, and (6) two output ends of third one-to-two power splitter pass through respectively a microstrip line with
Corresponding first one-to-two power splitter (4) input terminal, the second one-to-two power splitter (5) input terminal are connected, each microstrip line difference
By the first flexible dielectric substrate (1) institute's structure cylindrical structure bottom edge, the second flexible dielectric substrate (2) institute's structure cylindrical structure bottom edge,
And across the gap between two bottom edge, the input terminal of third one-to-two power splitter (6) is through the second flexible dielectric substrate (2) institute
Structure cylindrical structure top margin is connected with ground connection flexible board (3) institute structure cylindrical structure top margin.
2. conformal four-arm spiral antenna is printed in a kind of miniaturization according to claim 1, it is characterised in that: each spiral
The width for the end being connected on arm (7) with one-to-two power splitter is equal with the width of connected one-to-two power splitter output end respectively.
3. conformal four-arm spiral antenna is printed in a kind of miniaturization according to claim 2, it is characterised in that: described one one point
Ipsilateral output end is shorter by 1/4 than the output end that it corresponds to the other side respectively on two power splitters (4), the second one-to-two power splitter (5)
Signal wavelength.
4. conformal four-arm spiral antenna is printed in a kind of miniaturization according to claim 3, it is characterised in that: described 3rd 1 point
In two output ends on two power splitters (6), the output end of delayed phase 1/2 signal wavelength longer than another output.
5. conformal four-arm spiral antenna is printed in a kind of miniaturization according to claim 4, it is characterised in that: described 3rd 1 point
In two output ends on two power splitters (6), bending shape is set on the output end of delayed phase.
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| CN201710189914.0A CN106972248B (en) | 2017-03-28 | 2017-03-28 | A kind of conformal four-arm spiral antenna of miniaturization printing |
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| CN106972248B true CN106972248B (en) | 2019-05-28 |
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| CN105244606A (en) * | 2015-11-11 | 2016-01-13 | 上海海积信息科技股份有限公司 | Quadrifilar helix antenna |
| CN205282644U (en) * | 2015-11-25 | 2016-06-01 | 深圳市华颖泰科电子技术有限公司 | Four miniaturized arm helical antenna |
| CN105514582A (en) * | 2015-12-10 | 2016-04-20 | 上海海积信息科技股份有限公司 | Four-arm spiral antenna |
| CN205646139U (en) * | 2016-01-13 | 2016-10-12 | 深圳华天信通科技有限公司 | Four arm helical antenna devices of qxcomm technology |
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| CN106972248A (en) | 2017-07-21 |
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Application publication date: 20170721 Assignee: Nanjing University of Posts and Telecommunications Nantong Institute Limited Assignor: Nanjing Post & Telecommunication Univ. Contract record no.: X2019980001260 Denomination of invention: Miniaturized printed conformal four-arm spiral antenna Granted publication date: 20190528 License type: Common License Record date: 20191224 |
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Assignee: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS NANTONG INSTITUTE Co.,Ltd. Assignor: NANJING University OF POSTS AND TELECOMMUNICATIONS Contract record no.: X2019980001260 Date of cancellation: 20220304 |