CN209401826U - Novel Bipolar antenna - Google Patents
Novel Bipolar antenna Download PDFInfo
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- CN209401826U CN209401826U CN201822272368.XU CN201822272368U CN209401826U CN 209401826 U CN209401826 U CN 209401826U CN 201822272368 U CN201822272368 U CN 201822272368U CN 209401826 U CN209401826 U CN 209401826U
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Abstract
The utility model discloses Novel Bipolar antennas, and including feed waveguide and the multimode cavity being arranged on feed waveguide, the feed waveguide is equipped with the gap being connected to multimode cavity；The feed waveguide is divided into mutually independent horizontal polarization waveguide and vertical polarization waveguide, and the horizontal polarization waveguide is equipped with horizontal polarization feed port, and the vertical polarization waveguide is equipped with vertical polarization feed port.The utility model uses novel feeding classification, realize the dual polarization feed of four mode of a feedback, it compares and is coupled to obtain two kinds of polarization by cross gap in the way of orthomode coupler with traditional two kinds of four structures polarization of a feedback, the excitation of orthogonal modes is realized in the utility model two polarization by feed independent.
Description
Technical field
The utility model belongs to radio-frequency antenna technical field, and in particular to Novel Bipolar antenna.
Background technique
Antenna is a kind of converter, it is transformed into the guided wave propagated on transmission line (usually free in unbounded medium
Space) in the electromagnetic wave propagated, or carry out opposite transformation.It is used to emit or receive the portion of electromagnetic wave in wireless device
Part.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is all to utilize electricity
Magnetic wave transmits information, depends on antenna to work.In addition, in terms of transmitting energy with electromagnetic wave, the energy of non-signal
Amount radiation is also required to antenna.General antenna all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to connect
Receive antenna.The same antenna is identical as transmitting or received fundamental characteristics parameter.Here it is the reciprocal theorems of antenna.
And the orientation of electromagnetic wave electric field strength and the property of amplitude time to time change, it is known as polarizing in optics.If
This variation has determining rule, and just electromagnetic wave is referred to as polarized electromagnetic wave (abbreviation polarized wave).If the electricity of polarized electromagnetic wave
Always orientation, the endpoint of electric field intensity move field intensity along a closed trajectory in (cross) plane perpendicular to the direction of propagation,
Then this polarized electromagnetic wave is known as plane polarized wave.The extremity track of electric field is known as polarization curve, and presses the shape of polarization curve
Polarized wave is named.For the plane polarized wave of single-frequency, polarization curve was one oval (claiming polarization ellipse), therefore claimed oval pole
Change wave.Look along the direction of propagation, if the rotation direction of electric field intensity be it is clockwise, meet right-hand screw rule, title right-handed polarized wave；If rotation
To counterclockwise, to meet left-hand screw rule, claim left-handed polarized wave.By the geometric parameter of polarization ellipse.It can be intuitively to oval pole
Change wave and makees quantitative description, i.e. axis ratio ρ (the ratio between long axis and short axle).Transmitting and the antenna for receiving electromagnetic wave all have determining polarization
Property, polarization of ele on most intense radiation direction when can be used as transmitting antenna according to it and name.For example, horizontally or vertically
Poliarizing antenna radiation level or vertically polarized wave；Dextrorotation or left-handed (ellipse) circular polarized antenna radiation dextrorotation or left-handed (ellipse) circular polarisation
Wave.Generally for realizing maximum power transmission between dual-mode antenna, the identical transmitting antenna of Ying Caiyong polarization property and connect
Antenna is received, this configuration condition is known as the matching that polarizes.
Dual polarized antenna is a kind of new antenna technology, is combined with+45 ° and -45 ° two mutually orthogonal days of secondary polarization direction
Line simultaneously works at the same time under transmission duplex mode, therefore its most prominent advantage is to save the antenna amount of single directional base station.
If, since dual polarized antenna is not high to installation requirement is set up, not needing expropriation of land using dual polarized antenna and building tower, it is only necessary to frame one
Dual polarized antenna is fixed on iron prop by the iron prop of root diameter 20cm by corresponding coverage direction, so that capital expenditure is saved,
Keep station layout more reasonable simultaneously, the selected of base station site is more easier.
Existing kind of dual-polarized antenna structure is to carry out coupling by cross gap using in the way of orthomode coupler
Conjunction obtains two kinds of polarization, but this structural volume is larger, and narrower bandwidth.
Utility model content
In order to solve the above problems existing in the present technology, the utility model provides a kind of real by two independent feeds
The dual polarized antenna of the excitation of existing orthogonal modes.
The technology employed by the present utility model is Novel Bipolar antenna, including feed waveguide and setting are being fed
Multimode cavity in waveguide, the feed waveguide are equipped with the gap being connected to multimode cavity；
The feed waveguide is divided into mutually independent horizontal polarization waveguide and vertical polarization waveguide, the horizontal polarization waveguide
Equipped with horizontal polarization feed port, the vertical polarization waveguide is equipped with vertical polarization feed port.
Firstly, the utility model is a kind of dual polarized antenna, polarization just refers to the polarization mode of electromagnetic wave, is divided into line pole
Change, elliptic polarization, circular polarisation.In linear polarization, electric field intensity is not changed over time, and is divided into the polarization of both direction, i.e., horizontal
Polarization and vertical polarization.Horizontal polarization refers to that the electric field intensity of electromagnetic wave is vertical with the plane of incidence, and vertical polarization refers to the electric field of electromagnetic wave
Vector is parallel with the plane of incidence.The direction for changing transmitting radar antenna can change polarization of electromagnetic wave mode.
If what is emitted is the electromagnetic wave of horizontal polarization mode, polarization of ele side can be made after having an effect with atural object surface
To different degrees of rotation is generated, form horizontal and vertical two components, received with the antenna of different polarization modes, formed HH and
The image of two kinds of polarization modes of HV.If radar emission is that the electromagnetic wave of vertical polarization mode similarly can generate VV and two kinds of VH
The image of polarization mode.HH, VV are also known as same polarization, and HV, VH are known as cross polarization.Complete polarization is the synthesis of various polarization modes.
Polarized concept will electromagnetism wave vector be propagated along a specific direction from the point of view of the characteristic of spatial from electromagnetic wave
(being assumed to be+Z) direction propagates, then electric field intensity and magnetic vector in the plane (cross section) perpendicular to +Z direction at any time
Change and show certain track, under normal circumstances, there is a line in this track, and corresponding is then linear polarization；Track is a circle,
Corresponding is then circular polarisation；Usual track is one oval, then should referred to as have in elliptic polarization Theory of Electromagnetic Field and stringent determine
The polarization of adopted radar be exactly study polarization of electromagnetic wave state to improve radar performance theory, including polarization measurement technology and
Target polarization characteristic research etc..
It is the cross-polarized mode used in the utility model, cross polarization refers to that antenna has tetra- kinds of HH, VV, HV, VH
Polarization mode, main channel are same polarization, and subchannel is defined as cross polarization.If the electricity that radar antenna sends and receives
Field vector is different polarization mode, and such as HV or VH, then this polarization is exactly cross polarization.General cross polarization is required in main side
The cross polarization gain radiated upwards is less than main polarization gain 30dB or more, but its requirement can change in different occasions.For
It eliminates the interference in two polarization directions or improves the polarization isolation of antenna or eliminated using cross polarization interference
Technology.The isolation for improving antenna can greatly increase the cost of antenna manufacture, and increase rate is limited, thus study effectively and
Can Project Realization polarization interference cancellation techniques be improve star transmission rate important leverage.
And using Waveguide slot antenna structure in the utility model, there are two feed structures for tool.Waveguide is for fixed
To the structure of guide electromagnetic waves.In electromagnetism and communication engineering, this word of waveguide, which can refer to, transmits electromagnetism between its endpoint
Any linear structure of wave.But the initial and most common hollow metal tube being meant that for transmitting radio wave.This wave
The transmission line for being mainly used as microwave frequency is led, being used in micro-wave oven, radar, communications satellite and microwave radio links equipment will
Microwave transmitter and receiver and their antenna connect.Common waveguiding structure mainly have parallel double conducting wire, coaxial line,
Parallel flat waveguide, rectangular waveguide, circular waveguide, microstrip line, slab dielectric optical waveguide and optical fiber.From the angle of guide electromagnetic waves
It sees, they can all be divided into interior zone and perimeter, and electromagnetic wave is limited in interior zone propagation
Further, the horizontal polarization waveguide includes the horizontal polarization feed port and feeds with the horizontal polarization
The power splitter of port connection, the power splitter are flat-shaped waveguiding structure；
The power splitter is connected with the first coupled waveguide and the second coupled waveguide；
The gap includes the first coupling gap being arranged on the wide face of the first coupled waveguide and is arranged in the second coupled wave
Lead the second coupling gap on wide face；
The first coupling gap and the second coupling gap are connected to the multimode cavity.
Wherein, power splitter full name power divider is a kind of will to be divided into two-way or multiple-channel output by input signal energy all the way
The synthesis of multiple signals energy can also be exported all the way in turn, can be also referred to as combined at this time by the device of equal or unequal energy
Device.It should ensure that certain isolation between the output port of one power splitter.Power splitter is generally divided into one-to-two (one by output
Input two outputs), one point three (one input three output) etc..Power splitter important technological parameters power loss (including
Insertion loss, distribution loss and reflection loss), the voltage standing wave ratio of each port, the isolation, amplitude between power distribution port be flat
Weighing apparatus degree, phase balance, power capacity and frequency bandwidth etc..
That is, being coupled into two coupled waveguides, then by being individually arranged in from the horizontal polarization feed mouth
Coupling gap in waveguide enters in multimode cavity.
Further, first coupled waveguide and the second coupled waveguide are parallel to each other and thickness is equal, are arranged at function
Divide the ipsilateral of device；
The power splitter is arranged a middle side part far from the first coupled waveguide and the second coupled waveguide and protrudes outward to form level
Polarize feed port.
Further, the vertical polarization waveguide is the flat-shaped waveguiding structure of rectangle, the short side institute of the vertical polarization waveguide
The vertical polarization feed port is equipped in a side end face；The gap includes being arranged where the vertical polarization waveguide long side
Vertical polarization feed gaps on end face.
Further, the horizontal polarization waveguide is door type structure, and the vertical polarization waveguide is arranged in horizontal polarized wave
It leads bottom and the vertical polarization feed gaps is passed through out of horizontal polarization waveguide slot structure and are connected to the multimode cavity.
Further, metal phase plate is equipped in the power splitter.
Further, the multimode cavity is Rectangular Waveguide Structure, and multimode cavity quadrangle is along thick perpendicular to multimode cavity
It spends direction arc milling and forms the outside camber abgle in concave surface；
It is recessed inwardly to form groove in the middle part of four sides of the multimode cavity.
Further, metal matching is equipped with fastly in corner location in the multimode cavity body, the metal matching is fastly fan
Shape structure is simultaneously bonded with the camber abgle inner concave of multimode cavity.
Further, equally distributed radiating guide there are four being set on the multimode cavity.
Further, the radiating guide is square prism structure, and along the opening direction perpendicular to the radiating guide
Four seamed edges of radiating guide are subjected to arc milling and form symmetrical cambered surface.
The utility model has the following beneficial effects:
The utility model uses novel feeding classification, realizes the dual polarization feed of four mode of a feedback, compares and tradition
One feedback two kinds of four structures polarization coupled to obtain two kinds of polarization by cross gap in the way of orthomode coupler,
The excitation of orthogonal modes is realized in the utility model two polarization by feed independent.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model；
Fig. 2 is the connection perspective structure schematic diagram of the vertical polarization waveguide Yu horizontal polarization waveguide of the utility model；
Fig. 3 is the perspective structure perspective diagram of the vertical polarization waveguide Yu horizontal polarization waveguide of the utility model, wherein
Vertical polarization waveguide is represented by dotted lines；
Fig. 4 is the structural schematic diagram of the horizontal polarization waveguide of the utility model；
Fig. 5 is the whole perspective structure perspective diagram of the utility model；
Fig. 6 is the horizontal polarization directions figure that the utility model emulates in HFSS software；
Fig. 7 is the vertical polarization directions figure that the utility model emulates in HFSS software；
Fig. 8 is the horizontal polarization feed port standing wave pattern that the utility model emulates in HFSS software；
Fig. 9 is the vertical polarization feed port standing wave pattern that the utility model emulates in HFSS software；
Figure 10 is the dual-port isolation figure that the utility model emulates in HFSS software.
In figure: 1- multimode cavity, 2- horizontal polarization feed port, 3- vertical polarization feed port, 4- vertical polarization waveguide,
5- power splitter, the first coupled waveguide of 6-, the second coupled waveguide of 7-, 8- first couple gap, and 9- second couples gap, and 10- is vertical
Polarize feed gaps, 11- groove, and the matching of 12- metal is fast, 13- radiating guide.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the utility model.
Embodiment 1:
The present embodiment provides Novel Bipolar antenna, including feed waveguide and the multimode cavity 1 being arranged on feed waveguide,
The feed waveguide is equipped with the gap being connected to multimode cavity 1；
Feed waveguide is divided into mutually independent horizontal polarization waveguide and vertical polarization waveguide 4, and the horizontal polarization waveguide is set
There is horizontal polarization feed port 2, the vertical polarization waveguide 4 is equipped with vertical polarization feed port 3.If transmitting is horizontal
The electromagnetic wave of polarization mode can make polarization of ele direction generate different degrees of rotation, shape after having an effect with atural object surface
At horizontal and vertical two components, is received with the antenna of different polarization modes, form the image of two kinds of polarization modes of HH and HV.If
Radar emission is that the electromagnetic wave of vertical polarization mode similarly can generate the image of two kinds of polarization modes of VV and VH.HH, VV are again
Claim same polarization, HV, VH are known as cross polarization.Complete polarization is the synthesis of various polarization modes.
The present embodiment is the cross-polarized mode used, and cross polarization refers to that antenna has tetra- kinds of HH, VV, HV, VH polarization
Mode, main channel are same polarization, and subchannel is defined as cross polarization.If the electric field arrow that radar antenna sends and receives
Amount is different polarization mode, and such as HV or VH, then this polarization is exactly cross polarization.General cross polarization requires in a main direction
The cross polarization gain of radiation is less than main polarization gain 30dB or more, but its requirement can change in different occasions.In order to disappear
Except the interference in two polarization directions or improves the polarization isolation of antenna or use cross polarization interference technology for eliminating.
The isolation for improving antenna can greatly increase the cost of antenna manufacture, and increase rate is limited, therefore study effectively and can work
The polarization interference cancellation techniques of Cheng Shixian are the important leverages of with improving star transmission rate.
Horizontal polarization waveguide includes the horizontal polarization feed port 2 and connect with the horizontal polarization feed port 2
Power splitter 5, the power splitter 5 are flat-shaped waveguiding structure；The power splitter 5 is connected with the first coupled waveguide 6 and the second coupling
Waveguide 7；The gap includes the first coupling gap 8 being arranged on the wide face of the first coupled waveguide 6 and is arranged in the second coupled wave
Lead the second coupling gap 9 on 7 wide faces；The first coupling gap 8 and the second coupling gap 9 connect with the multimode cavity 1
It is logical.
Wherein, 5 full name power divider of power splitter is a kind of will to be divided into two-way or multiple-channel output by input signal energy all the way
The synthesis of multiple signals energy can also be exported all the way in turn, can be also referred to as combined at this time by the device of equal or unequal energy
Device.It should ensure that certain isolation between the output port of one power splitter 5.Power splitter 5 is generally divided into one-to-two (one by output
Two outputs of a input), one point three (one input three output) etc..Important technological parameters power loss (the packet of power splitter 5
Include insertion loss, distribution loss and reflection loss), the voltage standing wave ratio of each port, isolation, amplitude between power distribution port
The degree of balance, phase balance, power capacity and frequency bandwidth etc..That is, from the horizontal polarization feed mouth to two
In coupled waveguide, then the coupling gap by being individually arranged on coupled waveguide enters in multimode cavity 1.First coupled waveguide 6
It is parallel to each other with the second coupled waveguide 7 and thickness is equal, be arranged at the ipsilateral of power splitter 5；
Power splitter 5 is arranged a middle side part far from the first coupled waveguide 6 and the second coupled waveguide 7 and protrudes outward to form horizontal pole
Change feed port 2.Vertical polarization waveguide 4 is the flat-shaped waveguiding structure of rectangle, the short side side end of the vertical polarization waveguide 4
Face is equipped with the vertical polarization feed port 3；The gap includes setting where 4 long side of vertical polarization waveguide on end face
Vertical polarization feed gaps 10.Horizontal polarization waveguide is door type structure, and the vertical polarization waveguide 4 is arranged in horizontal polarized wave
It leads bottom and the vertical polarization feed gaps 10 passes through out of horizontal polarization waveguide slot structure and connect with the multimode cavity 1
It is logical.Metal phase plate is equipped in power splitter 5.
Embodiment 2:
Present embodiment discloses Novel Bipolar antennas, and as shown in Figs. 1-5, including feed waveguide and setting are in feed waveguide
On multimode cavity 1, the feed waveguide is equipped with the gap that is connected to multimode cavity 1；Feed waveguide is divided into mutually independent
Horizontal polarization waveguide and vertical polarization waveguide 4, the horizontal polarization waveguide are equipped with horizontal polarization feed port 2, the vertical pole
Change waveguide 4 and is equipped with vertical polarization feed port 3.
Horizontal polarization waveguide includes the horizontal polarization feed port 2 and connect with the horizontal polarization feed port 2
Power splitter 5, the power splitter 5 are flat-shaped waveguiding structure；The power splitter 5 is connected with the first coupled waveguide 6 and the second coupling
Waveguide 7；The gap includes the first coupling gap 8 being arranged on the wide face of the first coupled waveguide 6 and is arranged in the second coupled wave
Lead the second coupling gap 9 on 7 wide faces；The first coupling gap 8 and the second coupling gap 9 connect with the multimode cavity 1
It is logical.
From the horizontal polarization feed mouth into two coupled waveguides, then the coupling by being individually arranged on coupled waveguide
Joint close gap enters in multimode cavity 1.First coupled waveguide 6 and the second coupled waveguide 7 is parallel to each other and thickness is equal, is arranged at
Power splitter 5 it is ipsilateral；
Power splitter 5 is arranged a middle side part far from the first coupled waveguide 6 and the second coupled waveguide 7 and protrudes outward to form horizontal pole
Change feed port 2.Vertical polarization waveguide 4 is the flat-shaped waveguiding structure of rectangle, the short side side end of the vertical polarization waveguide 4
Face is equipped with the vertical polarization feed port 3；The gap includes setting where 4 long side of vertical polarization waveguide on end face
Vertical polarization feed gaps 10.Horizontal polarization waveguide is door type structure, and the vertical polarization waveguide 4 is arranged in horizontal polarized wave
It leads bottom and the vertical polarization feed gaps 10 passes through out of horizontal polarization waveguide slot structure and connect with the multimode cavity 1
It is logical.Metal phase plate is equipped in power splitter 5.
Multimode cavity 1 is Rectangular Waveguide Structure, and 1 four jiaos of edges of multimode cavity are perpendicular to 1 thickness direction arc of multimode cavity
Cutting forms the outside camber abgle in concave surface；It is recessed inwardly to form groove 11 in the middle part of four sides of the multimode cavity 1.Multimode
Be equipped with metal matching fast 12 in corner location in cavity 1, the metal match fast 12 for sector structure and with multimode cavity 1
The fitting of camber abgle inner concave.Equally distributed radiating guide 13 there are four being set on multimode cavity 1.Radiating guide 13 is square prism
Structure, and four seamed edges of radiating guide 13 are subjected to arc milling along the opening direction perpendicular to the radiating guide 13 and are formed
Symmetrical cambered surface.
Multimode cavity 1 can transmit horizontal and vertical two kinds of polarized electromagnetic waves, by the hybrid working of multi-mode, broaden work
Make frequency band.Wherein vertical polarization waveguide 4 is fed by vertical polarization feed gaps 10 to multimode cavity 1, is swashed in multimode cavity 1
The electromagnetic wave of excited horizontal polarization, and radiated by four radiating guides 13 into free space.Horizontal polarization feed port 2 is presented
The electromagnetic wave entered is divided into two by power splitter 5, and by the gap feed-in multimode cavity 1 on each self-waveguide, in multimode cavity 1
The middle electromagnetic wave for having motivated vertical polarization, and radiated by four radiating guides 13 into free space.Metal matching fast 12 is used
In the matching impedance for adjusting multimode cavity 1, antenna is made to realize wideband operation.
Using Waveguide slot antenna structure in the present embodiment, there are two feed structures for tool.Waveguide is drawn for orienting
The structure of conductive magnetic wave.In electromagnetism and communication engineering, this word of waveguide can refer to transmits electromagnetic wave between its endpoint
Any linear structure.But the initial and most common hollow metal tube being meant that for transmitting radio wave.This waveguide master
To be used as the transmission line of microwave frequency, be used in micro-wave oven, radar, communications satellite and microwave radio links equipment by microwave
Transmitter and receiver and their antenna connect.Common waveguiding structure mainly has parallel double conducting wire, coaxial line, parallel
Planar waveguide, rectangular waveguide, circular waveguide, microstrip line, slab dielectric optical waveguide and optical fiber.From the point of view of guide electromagnetic waves, it
Can all be divided into interior zone and perimeter, electromagnetic wave is limited in interior zone propagation.
It as illustrated in figures 6-10, is waveform diagram of the antenna in the present embodiment by the progress emulation testing of HFSS software.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products out.Above-mentioned specific embodiment should not be understood the limitation of the pairs of protection scope of the utility model,
The protection scope of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted
Seek book.
Claims (10)
1. Novel Bipolar antenna, it is characterised in that: including feed waveguide and the multimode cavity (1) that is arranged on feed waveguide,
The feed waveguide is equipped with the gap being connected to multimode cavity (1)；
The feed waveguide is divided into mutually independent horizontal polarization waveguide and vertical polarization waveguide (4), the horizontal polarization waveguide
Equipped with horizontal polarization feed port (2), the vertical polarization waveguide (4) is equipped with vertical polarization feed port (3).
2. Novel Bipolar antenna according to claim 1, it is characterised in that: the horizontal polarization waveguide includes the water
Mean pole feed port (2) and the power splitter (5) connecting with the horizontal polarization feed port (2), the power splitter (5) are flat
The waveguiding structure of shape；
The power splitter (5) is connected with the first coupled waveguide (6) and the second coupled waveguide (7)；
The gap includes the first coupling gap (8) being arranged on the first coupled waveguide (6) wide face and setting in the second coupling
The second coupling gap (9) on waveguide (7) wide face；
First coupling gap (8) and the second coupling gap (9) are connected to the multimode cavity (1).
3. Novel Bipolar antenna according to claim 2, it is characterised in that: first coupled waveguide (6) and second
Coupled waveguide (7) is parallel to each other and thickness is equal, is arranged at the ipsilateral of power splitter (5)；
The power splitter (5) is arranged a middle side part far from the first coupled waveguide (6) and the second coupled waveguide (7) and protrudes outward to be formed
Horizontal polarization feed port (2).
4. Novel Bipolar antenna according to claim 3, it is characterised in that: the vertical polarization waveguide (4) is rectangle
The short side side end face of flat-shaped waveguiding structure, the vertical polarization waveguide (4) is equipped with the vertical polarization feed port
(3)；The gap includes setting in the vertical polarization feed gaps where vertical polarization waveguide (4) long side on end face
(10)。
5. Novel Bipolar antenna according to claim 4, it is characterised in that: the horizontal polarization waveguide is gate knot
Structure, the vertical polarization waveguide (4) setting is in horizontal polarization waveguide bottom and the vertical polarization feed gaps (10) are from level
It passes through in the slot structure of poled waveguide and is connected to the multimode cavity (1).
6. Novel Bipolar antenna according to claim 4, it is characterised in that: be equipped with metal in the power splitter (5) and move
Photograph.
7. Novel Bipolar antenna according to claim 4, it is characterised in that: the multimode cavity (1) is rectangular waveguide
Structure, and multimode cavity (1) quadrangle forms the outside cambered surface in concave surface along perpendicular to multimode cavity (1) thickness direction arc milling
Angle；
It is recessed inwardly to form groove (11) in the middle part of four sides of the multimode cavity (1).
8. Novel Bipolar antenna according to claim 4, it is characterised in that: in quadrangle position in the multimode cavity (1)
Set and be equipped with metal and match fast (12), the metal match fast (12) be sector structure and in the camber abgle of multimode cavity (1)
Concave surface fitting.
9. Novel Bipolar antenna according to claim 4, it is characterised in that: there are four being set on the multimode cavity (1)
Equally distributed radiating guide (13).
10. Novel Bipolar antenna according to claim 9, it is characterised in that: the radiating guide (13) is positive tetragonous
Rod structure, and four seamed edges of radiating guide (13) are subjected to arc along the opening direction perpendicular to the radiating guide (13) and are cut
It cuts to form symmetrical cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272368.XU CN209401826U (en) | 2018-12-29 | 2018-12-29 | Novel Bipolar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272368.XU CN209401826U (en) | 2018-12-29 | 2018-12-29 | Novel Bipolar antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401826U true CN209401826U (en) | 2019-09-17 |
Family
ID=67897288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822272368.XU Active CN209401826U (en) | 2018-12-29 | 2018-12-29 | Novel Bipolar antenna |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078450A (en) * | 2021-03-22 | 2021-07-06 | 北京交通大学 | Dual-polarized air waveguide array antenna |
-
2018
- 2018-12-29 CN CN201822272368.XU patent/CN209401826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078450A (en) * | 2021-03-22 | 2021-07-06 | 北京交通大学 | Dual-polarized air waveguide array antenna |
| CN113078450B (en) * | 2021-03-22 | 2022-02-01 | 北京交通大学 | Dual-polarized air waveguide array antenna |
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