CN108428990A - A kind of radiating antenna single port electromagnetism wave network - Google Patents
A kind of radiating antenna single port electromagnetism wave network Download PDFInfo
- Publication number
- CN108428990A CN108428990A CN201810271005.6A CN201810271005A CN108428990A CN 108428990 A CN108428990 A CN 108428990A CN 201810271005 A CN201810271005 A CN 201810271005A CN 108428990 A CN108428990 A CN 108428990A
- Authority
- CN
- China
- Prior art keywords
- single port
- electromagnetic wave
- radiating antenna
- wave network
- reduces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of radiating antenna single port electromagnetism wave networks, interconnect the electromagnetic wave channel of composition using multiple rectangles or other shapes of through-hole to match various single port electromagnetism wave circuits.The other end in the electromagnetic wave channel is connected to extraneous free space；The single port electromagnetism wave network is radiating antenna.Compared with existing similar scheme, its modeling optimization computational efficiency can be significantly improved.The volume smaller and bandwidth of operation of this single port electromagnetism wave network are wider.Present invention is mainly used in the communication and radar system of each electromagnetic wave, millimeter wave and terahertz wave band.
Description
Technical field
The present invention relates to a kind of electromagnetic wave elements, specifically, be related to a kind of matched load of single port, mismatch device or
Radiative antenna elements.
Background technology
In various electromagnetic wave systems, one port network generally existing.As needed, the input terminal of one port network is general
For mating end, all electromagnetic waves into input terminal are all absorbed or are radiated in free space.For example, in matched load
In, it is intended that all electromagnetic waves into input terminal are all absorbed.In radiating antenna, it is intended that all to enter input terminal
Signal be all radiated in free space.In certain occasions, such as in mismatch device, it is intended that enter the signal section of input terminal
Divide and reflected, is partly absorbed.At this moment, we it is generally desirable to the reflectance factors or standing-wave ratio in input terminal to meet certain requirements.
Sometimes, we also want to the phase of reflectance factor and meet certain requirements.
One port network problem to be solved primarily inputs the cavity or spoke of transmission line and the band loss being attached thereto
Penetrate the Broadband Matching problem between antenna element.Traditional one port network is using gradual change or multistage transmission lines matching mode, body
Product is bigger.
Invention content
The object of the present invention is to provide a kind of compact single port electromagnetism wave networks, and compared with prior art, structure is simpler
Single, processing is more convenient, working frequency is wider.
The present invention is achieved through the following technical solutions：
A kind of radiating antenna single port electromagnetism wave network, which is characterized in that including a transmission line and at least one and institute
State the electromagnetic wave channel of transmission line connection；The transmission line passes through one section or one end of a side and electromagnetic wave channel
Connection；The electromagnetic wave channel includes at least one branch, the through-hole structure that at least one routing at least three is connected to along Y-direction
At；The maximum length t in the electromagnetic wave channel is between any two points being located on the electromagnetic wave channel end faces Liang Ge
Maximum value of the line in the length of the projection of Z-direction；The center operating frequency of the single port electromagnetism wave network is defined as f1 and f2
Geometrical mean；Wherein f1 is the lowest operating frequency of the single port electromagnetism wave network, and f2 is the single port electromagnetism wave network
Maximum operating frequency；X-axis and Y-axis are in the plane of an end face in electromagnetic wave channel, and X-axis, Y-axis and Z axis meet the right side
Hand rule；Section of the electromagnetic wave channel on X/Y plane is its cross section；The maximum width of arbitrary through-hole is on the through-hole
Any two points between the maximum length that is projected in X-direction of line.
As preferable design, the number of the cavity is 2.
Further, the single port electromagnetism wave network is mirrored into symmetrically relative to YZ planes.
Further, the single port electromagnetism wave network is mirrored into symmetrically relative to XZ planes.
Further, the other end in the electromagnetic wave channel is connected to extraneous free space；The single port electromagnetic wave net
Network is radiating antenna.D
One end of normal conditions, the transmission line is open circuit or short circuit.
Further, the electromagnetic wave channel includes at least a branch, which route 5 through-holes along Y-direction connection
It constitutes；Along Y-direction, the maximum width of each through-hole is sequentially increased, reduces, increases, reduces.
Further, the electromagnetic wave channel includes at least a branch, which route 7 through-holes along Y-direction connection
It constitutes；Along Y-direction, the maximum width of each through-hole is sequentially increased, reduces, reduces, increases, increases, reduces.
Further, the electromagnetic wave channel includes at least a branch, which route 9 through-holes along Y-direction connection
It constitutes；Along Y-direction, the maximum width of each through-hole is sequentially increased, increases, reduces, reduces, increases, increases, reduces, reduces.
Further, described electromagnetic wave channel or so mirror symmetry.
Further, mirror symmetry above and below the electromagnetic wave channel.
Further, described electromagnetic wave channel or so mirror symmetry, while upper and lower mirror symmetry.
Further, the cross-sectional shape of at least one through-hole is rectangle.
Further, each rectangular through-hole is connected to by its adjacent edge in the Y direction.
The electromagnetic wave channel that the present invention interconnects composition using multiple rectangles or other shapes of through-hole is various to match
Single port electromagnetism wave network.Compared with existing similar scheme, its modeling optimization computational efficiency can be significantly improved.It is this single-ended
The volume smaller and bandwidth of operation of mouth electromagnetism wave network are wider.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 a are the schematic diagram of the schematic diagram present invention-embodiment 1 of the present invention.
Fig. 1 b are the schematic diagram of the schematic diagram present invention-embodiment 1 of the present invention.
Fig. 2 a are the schematic diagram in 2 section of the present invention-embodiment.
Fig. 2 b are the schematic diagram in 2 section of the present invention-embodiment.
Fig. 3 a present invention -3 schematic diagram of embodiment.
Fig. 3 b present invention -3 schematic diagram of embodiment.
Fig. 4 present invention -4 schematic diagram of embodiment.
Fig. 5 a present invention -5 schematic diagram of embodiment.
Fig. 5 b present invention -5 schematic diagram of embodiment.
Fig. 6 a present invention -6 schematic diagram of embodiment.
Fig. 6 b present invention -6 schematic diagram of embodiment.
Label and corresponding parts title in attached drawing：
2- transmission lines, 23- medium substrates, 25- microstrip line signal wires, 26- microstrip lines, 3- electromagnetism channel, 31- are logical
Hole, 5- cavitys, 6- absorbers.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As seen in figure la and lb.
A kind of radiating antenna single port electromagnetism wave network, including a transmission line 2 and one are connected to the transmission line 2
Electromagnetic wave channel 3.The electromagnetism channel 3 is connected to by one end face with the transmission line 2.The electromagnetic wave channel 3 is by one
Branch, which constitutes branch described in and route 5 through-holes 31 along Y-direction connection, to be constituted.
The transmission line is rectangular waveguide.
The both ends of the surface in the electromagnetic wave channel 3 are a flat surface a part of A and plane B respectively；The electromagnetic wave channel 3
One end is connected to by one end of the transmission line 2 with the transmission line 2.At this moment, the electromagnetic wave channel 3 is arranged in the transmission
On the end face of line 2.
The single port electromagnetism wave network is matched load.The other end in the electromagnetic wave channel 3 and a cavity 5 connect
It is logical；2 absorbers 6 are provided in the cavity 5.
3 at least one branch of the electromagnetic wave channel, the branch route 5 through-holes 31 along Y-direction connection and constitute；Along the side Y
To the maximum width of each through-hole is sequentially increased, reduces, increases, reduces.
3 or so mirror symmetry of the electromagnetic wave channel.
The cross-sectional shape of all through-holes 31 is rectangle
Meanwhile each rectangular through-hole 31 is connected to by its adjacent edge in the Y direction.
Embodiment 2
As shown in figures 2 a and 2b.
Compared with embodiment 1, the main distinction is only that：The cavity 5 is open structure, constitutes radiator.Using this
The radiator in the electromagnetism channel of the disclosed shape of invention, can be on the basis in ordinary rectangular, round or ellipse electromagnetism channel
On effectively broaden the bandwidth of operation of radiator.
Embodiment 3
As best shown in figures 3 a and 3b.
Compared with embodiment 2, the main distinction is only that：There is no the cavity 5, the electromagnetic wave channel 3 to constitute radiation
Device.The electromagnetic wave channel 3 is arranged in the side of the rectangular waveguide transmission line 2.It can make the volume smaller of radiator in this way,
Bandwidth of operation is wider.
Embodiment 4
As shown in Figure 4.
Compared with embodiment 2, the main distinction is only that：The setting of electromagnetic wave channel 3 is transmitted in the rectangular waveguide
On the end face of line 2.It, can be in ordinary rectangular, circle or ellipse using the radiator in the electromagnetism channel of shape disclosed in this invention
The bandwidth of operation of rectangular waveguide crack radiator is effectively broadened on the basis of circular electric magnet passage.,
Embodiment 5
As shown in figure 5a and 5b.
Compared with embodiment 2, the main distinction is only that：The transmission line 2 is micro-strip.The electromagnetic wave channel 3 is arranged
On the floor of the microstrip transmission line 2..It, can be general using the radiator in the electromagnetism channel of shape disclosed in this invention
The bandwidth of operation of associated microstrip radiating element is effectively broadened on the basis of logical rectangle, round or ellipse electromagnetism channel.
Embodiment 6
As shown in figure 6 a and 6b.
Compared with embodiment 2, the main distinction is only that：The transmission line 2 by a section of one end with it is described
Electromagnetic wave channel 3 is connected to.Angle between the normal of the section and the axis of the transmission line 2 is 45 degree..Using institute of the present invention
The flexible transmission line radiator of radiation direction may be implemented in the radiator in the electromagnetism channel of disclosed shape.
In order to describe the present invention, more embodiments can also be enumerated.In order to realize above-mentioned each embodiment, each through-hole
Shape may need accordingly to be changed according to processing method.For example, when being processed using CNC milling machine, internal crest line therein
It needs by lead angle.The radius of curvature of chamfering is several millimeters to 0.3 millimeter.If using linear cutter, these crest lines are also required to
It is radiused, only chamfering radius of curvature may diminish to 0.1 millimeter.In principle, every various implementations for meeting this paper claims
Belong to patent disclosure of the present invention.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of radiating antenna single port electromagnetism wave network, which is characterized in that including a transmission line (2) and at least one and institute
State the electromagnetic wave channel (3) of transmission line (2) connection；The transmission line (2) passes through one section or a side and electromagnetic wave
The one end in channel (3) is connected to；The electromagnetic wave channel (3) includes at least one branch, and at least one routing at least three is along Y
The through-hole (31) of direction connection is constituted；The maximum length t of the electromagnetic wave channel (3) is to be located at the electromagnetic wave channel (3)
The maximum value of the line between any two points on two end faces in the length of the projection of Z-direction；The single port electromagnetism wave network
Center operating frequency be defined as the geometrical mean of f1 and f2；Wherein f1 is the minimum work frequency of the single port electromagnetism wave network
Rate, f2 are the maximum operating frequency of the single port electromagnetism wave network；X-axis and Y-axis electromagnetic wave channel (3) an end face it is flat
In face, and X-axis, Y-axis and Z axis meet the right-hand rule；Section of the electromagnetic wave channel (3) on X/Y plane is that its is transversal
Face；The maximum width of arbitrary through-hole (31) is the maximum that the line between any two points on the through-hole (31) is projected in X-direction
Length；The other end of the electromagnetic wave channel (3) is connected to extraneous free space；The single port electromagnetism wave network is radiation day
Line.
2. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the transmission line is
Coaxial line, rectangular waveguide, single ridge rectangular waveguide, double ridge rectangular waveguides, four ridge rectangular waveguides, elliptical waveguide, single ridge elliptical waveguide,
It is any one in double ridge elliptical waveguides, four ridge elliptical waveguides, circular waveguide, single ridge circular waveguide, double ridge circular waveguides or four ridge circular waveguides
Kind.
3. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the single port electricity
Magnetic wave network is mirrored into symmetrically relative to YZ planes.
4. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the single port electricity
Magnetic wave network is mirrored into symmetrically relative to XZ planes.
5. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the electromagnetic wave is logical
Road (3) includes at least a branch, which route 5 through-holes (31) along Y-direction connection and constitute；Along Y-direction, each through-hole is most
Big width is sequentially increased, reduces, increases, reduces.
6. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the electromagnetic wave is logical
Road (3) includes at least a branch, which route 7 through-holes (31) along Y-direction connection and constitute；Along Y-direction, each through-hole is most
Big width is sequentially increased, reduces, reduces, increases, increases, reduces.
7. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the electromagnetic wave is logical
Road (3) includes at least a branch, which route 9 through-holes (31) along Y-direction connection and constitute；Along Y-direction, each through-hole is most
Big width is sequentially increased, increases, reduces, reduces, increases, increases, reduces, reduces.
8. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that the electromagnetic wave is logical
Road (3) left and right mirror symmetry or/and upper and lower mirror symmetry.
9. a kind of radiating antenna single port electromagnetism wave network according to claim 1, which is characterized in that at least one described
The cross-sectional shape of through-hole (31) is rectangle.
10. a kind of radiating antenna single port electromagnetism wave network according to claim 9, which is characterized in that each rectangle
Through-hole (31) is connected to by its adjacent edge in the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271005.6A CN108428990A (en) | 2018-03-29 | 2018-03-29 | A kind of radiating antenna single port electromagnetism wave network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271005.6A CN108428990A (en) | 2018-03-29 | 2018-03-29 | A kind of radiating antenna single port electromagnetism wave network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108428990A true CN108428990A (en) | 2018-08-21 |
Family
ID=63160035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271005.6A Withdrawn CN108428990A (en) | 2018-03-29 | 2018-03-29 | A kind of radiating antenna single port electromagnetism wave network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428990A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555553A (en) * | 1969-01-31 | 1971-01-12 | Us Navy | Coaxial-line to waveguide transition for horn antenna |
| US3686589A (en) * | 1969-09-23 | 1972-08-22 | Georg Spinner | Waveguide transition |
| EP2493007A1 (en) * | 2010-02-16 | 2012-08-29 | Radiacion Y Microondas, S.A. | Polarisation rotator with multiple bowtie-shaped sections |
-
2018
- 2018-03-29 CN CN201810271005.6A patent/CN108428990A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555553A (en) * | 1969-01-31 | 1971-01-12 | Us Navy | Coaxial-line to waveguide transition for horn antenna |
| US3686589A (en) * | 1969-09-23 | 1972-08-22 | Georg Spinner | Waveguide transition |
| EP2493007A1 (en) * | 2010-02-16 | 2012-08-29 | Radiacion Y Microondas, S.A. | Polarisation rotator with multiple bowtie-shaped sections |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4287902B2 (en) | Broadband slot antenna | |
| CN108539347A (en) | A kind of four road power splitter of compact square wave guide | |
| CN108428990A (en) | A kind of radiating antenna single port electromagnetism wave network | |
| CN108417948A (en) | A kind of four road ridge waveguide power splitter of rectangular waveguide based on metal ridge | |
| CN108521000A (en) | A kind of single port electromagnetism wave network | |
| CN108521007A (en) | A kind of identical transmission line ladder transition of variables number | |
| CN108521006A (en) | A kind of rectangular waveguide transmission line ladder transition | |
| CN110729545B (en) | Coupler for communication system | |
| CN108417953A (en) | A kind of four road microstrip power divider of double ridge rectangular waveguides based on metal ridge | |
| CN108666723A (en) | A kind of double four road microstrip power dividers of ridge rectangular waveguide of compact | |
| CN108598648A (en) | A kind of double four road ridge waveguide power splitters of ridge rectangular waveguide of compact | |
| CN108417952A (en) | A kind of coaxial power splitter in four tunnel of rectangular waveguide based on metal ridge | |
| CN109119734A (en) | A kind of four road ridge waveguide power splitter of rectangular waveguide based on metal ridge | |
| CN108511863A (en) | A kind of rectangular waveguide torsion transmission line | |
| CN108539332A (en) | A kind of four work device of compact rectangular waveguide | |
| CN108417949A (en) | A kind of four road power splitter of compact rectangular waveguide | |
| CN108666726A (en) | A kind of four road ridge waveguide power splitter of double ridge rectangular waveguides based on metal ridge | |
| CN108417951A (en) | A kind of four road microstrip power divider of compact rectangular waveguide | |
| CN108539341A (en) | A kind of rectangle double ridged waveguide torsion transmission line | |
| CN108417950A (en) | A kind of double four coaxial power splitters in tunnel of ridge rectangular waveguide of compact | |
| CN109119735A (en) | A kind of four road power splitter of compact rectangular waveguide | |
| CN108521009A (en) | A kind of compact three-port network of section connection | |
| CN108428988A (en) | A kind of double ridge rectangular waveguide line adapter units of list | |
| CN108400415A (en) | Microwave coupling structure with symmetry | |
| CN108539345A (en) | A kind of list ridge rectangular waveguide line adapter unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180821 |