CN110011003A - A kind of circular waveguide TM01-Polarize adjustable TE11 mode converter - Google Patents
A kind of circular waveguide TM01-Polarize adjustable TE11 mode converter Download PDFInfo
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- CN110011003A CN110011003A CN201910090689.4A CN201910090689A CN110011003A CN 110011003 A CN110011003 A CN 110011003A CN 201910090689 A CN201910090689 A CN 201910090689A CN 110011003 A CN110011003 A CN 110011003A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
Abstract
The invention belongs to strong electromagnetic pulse transmission and lift-off technology field, and in particular to a kind of circular waveguide TM01Polarize adjustable TE11Mode converter.Circular waveguide TM of the present invention01Polarize adjustable TE11The circular waveguide of four road rectangular waveguides of mode converter circular waveguide point is input port, input pattern TM01Mould, the circular waveguide that four road rectangular waveguides close circular waveguide is output port, and output mode is horizontal polarization, vertical polarization or circular polarisation TE11Mould.The mode converter realizes circular waveguide TM01Mould is to TE11The mode of mould is converted, and the phase by adjusting large power waveguide adjustable phase shifter in four road rectangular waveguides can realize horizontal polarization, vertical polarization or circular polarisation TE11Mould output, i.e., realize circular waveguide TM with a mode converter01Mould is to three kinds of polarization mode TE11The mode of mould is converted, and the strong electromagnetic pulse radiation field for generating three kinds of polarization modes is convenient to.
Description
Technical field
The invention belongs to strong electromagnetic pulse transmission and lift-off technology field, and in particular to a kind of circular waveguide TM01It polarizes adjustable
TE11Mode converter.
Background technique
Strong electromagnetic pulse is in transmission, according to practical application request, it is often necessary to using various forms of waveguides and carry out
Corresponding mode conversion.In strong electromagnetic pulse field, circular waveguide transmission mode is usually rotational symmetric modes TM0nMould, and most often
That see is TM01Mould.If these modes directly radiate, there is wave beam not concentrate, power dissipation, the deficiencies such as gain is low, so
Need to be converted to these modes energy more concentrate, the stronger mode of directive property such as TE11Mould is radiated using antenna.
Therefore, researchers at home and abroad propose different types of mode converter to realize circular waveguide TM01Mould is to TE11The mode of mould
Conversion.Typical mode converter has tangent bend type circular waveguide TM01-TE11Mode converter, three flexure type circular waveguide TM01-TE11
Mode converter and cross circular waveguide TM01-TE11Mode converter etc..These mode converter technology maturations, transfer efficiency
Height, but the microwave that can only all export a polarization direction without exception, or mechanical shaping modes converter can only be passed through
Orientation angles export the polarization direction of microwave to change, or can only realize circular polarisation TE11Mould output.And in strong electromagnetic pulse application
Field, it usually needs generate horizontal polarization, vertical polarization and circular polarisation TE11The strong electromagnetic pulse of three kinds of mould different polarization modes
Radiation field, therefore, the application that these existing mode converters are unable to satisfy 3 kinds of generation different polarization mode microwaves outputs need
It asks.
Summary of the invention
The technical problem to be solved by the present invention is to existing mode converter, to be unable to satisfy the different polarization modes of 3 kinds of generation micro-
The application demand of wave output.
In order to solve the above technical problems, the present invention proposes a kind of circular waveguide TM01Polarize adjustable TE11Mode converter, packet
Include circular waveguide point four road rectangular waveguides, four the one 90 ° of curved rectangular waveguides, four large power waveguide adjustable phase shifters, four the
The curved rectangular waveguide of 2 90 ° of degree and four road rectangular waveguides close circular waveguide；
Circular waveguide point four road rectangular waveguides include circular waveguide and four angular equally distributed rectangular waveguides, with rectangular wave
The end face center position for leading connection is equipped with first frustum of a cone, the stupefied rounded corner of the frustum of a cone；
Circular waveguide divides four road rectangular waveguides by the circular waveguide TM of input01Mould is divided into four road rectangular waveguide TE10Mould, circle wave
The circular waveguide port of tetra- road rectangular waveguide of Dao Fen is input port, and input pattern is TM in circular waveguide01Mould, rectangular waveguide are work
The standard rectangular waveguide of frequency range, transmission mode is TE in rectangular waveguide10Mould, first frustum of a cone offset four road rectangular waves of circular waveguide point
The reflection for leading discontinuous structure generation, makes circular waveguide TM01Mould is efficiently converted into rectangular waveguide TE10Mould, the stupefied rounded corner of the frustum of a cone
Reduce field enhancement effect, improves power capacity；
The input terminal of four the one 90 ° of curved rectangular waveguides divides four road rectangular waveguides of four road rectangular waveguides with circular waveguide respectively
Output end connection, the one 90 ° of curved rectangular waveguide 2 are curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould；
The input terminal of four large power waveguide adjustable phase shifters is connect with the output end of four the one 90 ° of curved rectangular waveguides；
Large power waveguide adjustable phase shifter adjusts TE in four road rectangular waveguides10The phase of mould, input port and output port are standard square
Shape waveguide；
The input terminal of four the 2nd 90 ° of curved rectangular waveguides connects with the output end of four large power waveguide adjustable phase shifters respectively
It connects, the 2nd 90 ° of curved rectangular waveguide is curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould is used for high-efficiency transfer TE10Mould；
Four road rectangular waveguides close circular waveguide include four angular equally distributed rectangular waveguides and circular waveguide, with rectangular wave
The end face center position for leading connection is equipped with second frustum of a cone, the stupefied rounded corner of the frustum of a cone, first frustum of a cone and the second frustum of a cone size
It is different；
Four road rectangular waveguides close 4 rectangular waveguide input terminals of circular waveguide and the output end of 4 the 2nd 90 ° of curved rectangular waveguides
Connection, four road rectangular waveguides close circular waveguide tetra- road rectangular waveguide TE of phase shift Hou10Mould synthesizes circular waveguide TE11Mould output.
Further, the output of the input terminal and four the one 90 ° of curved rectangular waveguides of four large power waveguide adjustable phase shifters
End connection；Large power waveguide adjustable phase shifter 3 adjusts TE in four road rectangular waveguides10The phase of mould, input port and output port
For standard rectangular waveguide, performance meets: at working frequency, insertion loss < 0.3dB, and phase shift range 0-360 degree.
Further, the circular waveguide radius R of four road rectangular waveguides of the circular waveguide point0Meet condition 0.383c/f < R0<
0.879c/f, wherein c is the light velocity, and f is the working frequency of mode converter；Circular waveguide length is l1；4 rectangular waveguides are work
Make frequency range standard rectangular waveguide, the distance of 4 rectangular waveguide ports to circular waveguide axis is l2, l2>R0；The bottom of first frustum of a cone
Radius is Rc1, top radius is Rc, the stupefied rounding radii of the frustum of a cone is r1, the first frustum of a cone height is h1, each parameter meets relationship:
r1<Rc<Rc1<R0, h1<l1。
Further, it is R that four road rectangular waveguide, which closes the circular waveguide radius of circular waveguide,0, circular waveguide length is l1；4 rectangles
Waveguide is the waveguide of working frequency range standard rectangular, and the distance of 4 rectangular waveguide ports to circular waveguide axis is l2, l2>R0；Second circle
The bottom radius of frustum is Rd1, top radius is Rd, the stupefied rounding radii of the frustum of a cone is r, and the second frustum of a cone height is h, and each parameter is full
Sufficient relationship: r < Rd<Rd1<R0, h < l1。
The invention has the benefit that
Circular waveguide TM of the present invention01Polarize adjustable TE11The circular waveguide of mode converter circular waveguide point four road rectangular waveguides is
Input port, input pattern TM01Mould, the circular waveguide that four road rectangular waveguides close circular waveguide is output port, and output mode is water
Mean pole, vertical polarization or circular polarisation TE11Mould.The mode converter realizes circular waveguide TM01Mould is to TE11The mode of mould is converted,
And the phase by adjusting large power waveguide adjustable phase shifter in four road rectangular waveguides can realize horizontal polarization, vertical polarization or circle
Polarize TE11Mould output, i.e., realize circular waveguide TM with a mode converter01Mould is to three kinds of polarization mode TE11The mode of mould turns
It changes, is convenient to the strong electromagnetic pulse radiation field for generating three kinds of polarization modes.
Detailed description of the invention
Fig. 1 is circular waveguide TM of the present invention01Polarize adjustable TE11Mode converter schematic diagram.
Fig. 2 is circular waveguide TM of the present invention01Polarize adjustable TE11Mode converter exploded view.
Fig. 3 is the structural schematic diagram of four road rectangular waveguides of circular waveguide of the present invention point.
Fig. 4 is the sectional view of four road rectangular waveguides of circular waveguide of the present invention point.
Fig. 5 is the structural schematic diagram that four road rectangular waveguides of the invention close circular waveguide.
Fig. 6 is the sectional view that four road rectangular waveguides of the invention close circular waveguide.
Specific embodiment
A kind of circular waveguide TM01Polarize adjustable TE11Mode converter, as shown in figure and Fig. 2, including four road squares of circular waveguide point
1, four the one 90 ° the 2nd 90 ° of large power waveguide adjustable phase shifter 3, four degree moment of flexure shape of curved rectangular waveguide 2, four of shape waveguide
Waveguide 4 and four road rectangular waveguides close circular waveguide 5；
As shown in figure 3, four road rectangular waveguides 1 of circular waveguide point include circular waveguide and four angular equally distributed rectangular waves
It leads, is equipped with first frustum of a cone 11, the stupefied rounded corner of the frustum of a cone in the end face center position connecting with rectangular waveguide；
Circular waveguide divides four road rectangular waveguides by the circular waveguide TM of input01Mould is divided into four road rectangular waveguide TE10Mould, circle wave
The circular waveguide port of tetra- road rectangular waveguide 1 of Dao Fen is input port, and input pattern is TM in circular waveguide01Mould passes in rectangular waveguide
Defeated mode is TE10Mould, first frustum of a cone 11 offset the reflection that circular waveguide point four road rectangular waveguides, 1 discontinuous structure generates, make to justify
Waveguide TM01Mould is efficiently converted into rectangular waveguide TE10Mould, the stupefied rounded corner of the frustum of a cone reduce field enhancement effect, improve power and hold
Amount；
It is as shown in Figure 4: the circular waveguide radius R of four road rectangular waveguides 1 of the circular waveguide point0Meet condition 0.383c/f < R0
< 0.879c/f, wherein c is the light velocity, and f is the working frequency of mode converter；Circular waveguide length is l1；4 rectangular waveguides are
Working frequency range standard rectangular waveguide, the distance of 4 rectangular waveguide ports to circular waveguide axis are l2, l2>R0；The bottom of the frustum of a cone half
Diameter is Rc1, top radius is Rc, the stupefied rounding radii of the frustum of a cone is r1, frustum of a cone height is h1, each parameter meets relationship: r1<Rc<
Rc1<R0, h1<l1。
The input terminal of four the one 90 ° of curved rectangular waveguides 2 divides four road rectangular waves of four road rectangular waveguides 1 with circular waveguide respectively
Output end connection is led, the one 90 ° of curved rectangular waveguide 2 is curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould, effect are high
Efficiency transmission TE10Mould, and change TE10The transmission direction of mould；
The output end of the input terminal of four large power waveguide adjustable phase shifters 3 and four the one 90 ° of curved rectangular waveguides 2 connects
It connects；Large power waveguide adjustable phase shifter 3 adjusts TE in four road rectangular waveguides10The phase of mould, input port and output port are mark
Quasi-retangular wave is led；Performance meets: at working frequency, insertion loss < 0.3dB, and phase shift range 0-360 degree.
The input terminal of four the 2nd 90 ° of curved rectangular waveguides 4 output end with four large power waveguide adjustable phase shifters 3 respectively
Connection, the 2nd 90 ° of curved rectangular waveguide 4 are curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould is used for high-efficiency transfer TE10
Mould, and change TE10The transmission direction of mould；
As shown in figure 5, it includes four angular equally distributed rectangular waveguides and circle wave that four road rectangular waveguides, which close circular waveguide 5,
It leads, is equipped with second frustum of a cone 51, the stupefied rounded corner of the frustum of a cone, first frustum of a cone 11 in the end face center position connecting with rectangular waveguide
It is different with second frustum of a cone, 51 size；
Four road rectangular waveguides close the output of the 4 rectangular waveguide input terminals and 4 the 2nd 90 ° of curved rectangular waveguides 4 of circular waveguide 5
End connection, four road rectangular waveguides close circular waveguide 5 tetra- road rectangular waveguide TE of phase shift Hou10Mould synthesizes circular waveguide TE11Mould output.
Four road rectangular waveguides are input port, transmit TE in rectangular waveguide10Mould, circular waveguide are output port, are transmitted in circular waveguide horizontal
Polarization, vertical polarization or circular polarisation TE11Mould.The effect of second frustum of a cone 51 is to offset four road rectangular waveguides conjunction circular waveguide 5 not connect
The reflection that continuous structure generates, makes rectangular waveguide TE10Mould efficiently synthesizes circular waveguide TE11Mould, the purpose of the stupefied rounded corner of the frustum of a cone
It is to improve power capacity to reduce an enhancement effect.
As shown in Figure 6: the circular waveguide radius that four road rectangular waveguide closes circular waveguide 5 is R0, circular waveguide length is l1；4
Rectangular waveguide is the waveguide of working frequency range standard rectangular, and the distance of 4 rectangular waveguide ports to circular waveguide axis is l2, l2>R0；The
The bottom radius of two frustums of a cone 51 is Rd1, top radius is Rd, the stupefied rounding radii of the frustum of a cone is r, and frustum of a cone height is h, each parameter
Meet relationship: r < Rd<Rd1<R0, h < l1。
Mode converter when in use, to 4 branch's rectangular waveguide channel numbers, is followed successively by channel 1 by adjacent sequential, leads to
Road 2, channel 3, channel 4, when fixed mode converter, circular waveguide axis is parallel to horizontal plane, and 1 branch's rectangular waveguide of channel is located at
Above horizontal plane, and its radial direction, horizontal by 45 degree of angles, 2 branch's rectangular waveguide of channel is located at below horizontal plane, and
Its radial direction is horizontal by -45 degree angles.The mode converter divides four road rectangular waveguides 1 at work, from circular waveguide
Circular waveguide inputs TM01Mould microwave pulse is divided into four road rectangular waveguide TE by four road rectangular waveguides 1 of circular waveguide point10Mould, through
One 90 ° of curved rectangular waveguides 2 transmit, and adjust TE through large power waveguide adjustable phase shifter 310After the phase of mould, through the 2nd 90 ° of moment of flexure shape
Tetra- road rectangular waveguide of Zai Cong closes 4 rectangular waveguide ports input of circular waveguide 5, most tetra- road rectangular waveguide of Hou Jing after waveguide 4 is transmitted
It closes circular waveguide 5 and synthesizes circular waveguide TE11Mould, and exported from circular waveguide port.
The basic principle of the mode converter are as follows: the mode converter is first by circular waveguide TM01Tetra- road rectangular waveguide of Mo Fen
TE10Mould respectively adds a large power waveguide adjustable phase shifter in branch's rectangular waveguide, after adjusting phase by phase shifter, then 4
A branch's rectangular waveguide synthesis circular waveguide output, when two opposite phase shifter phase phase difference 180 degrees, opposite two branch rectangles
Waveguide TE10Mould will synthesize circular waveguide TE11Mould, final two mutually perpendicular circular waveguide TE11Mould synthesizes one and branch's rectangle
Waveguide is in 45 degree of linear polarization TE11Mould exports (horizontal polarization or vertical polarization), and when the phase of 4 phase shifters successively differs 90
, it can be achieved that circular polarisation TE when spending11Mould output.The present invention can be achieved to generate horizontal polarization, vertical polarization with a mode converter
And the TE of three kinds of polarization modes of circular polarisation11Mode conversion facilitates the strong electromagnetic pulse radiation for generating 3 kinds of different polarization modes
?.
By adjusting the phase of 4 large power waveguide adjustable phase shifters 3, it can be achieved that horizontal polarization, vertical polarization and circle
Polarize TE11Mode output.When mode converter works, TM is inputted from the circular waveguide port of four road rectangular waveguides 1 of circular waveguide point01
Mould microwave pulse, when channel 2 is as the phase of 3 phase shifter of channel, channel 1 is as the phase of 4 phase shifter of channel, and channel
1 and 4 phase shifter of channel phase and the phase phase difference 180 degree of 3 phase shifter of channel 2 and channel when, output mode is vertical polarization
TE11Mould；When channel 1 is as the phase of 2 phase shifter of channel, channel 3 is as the phase of 4 phase shifter of channel, and channel 3 and logical
When the phase of 4 phase shifter of road and the phase phase difference 180 degree of 2 phase shifter of channel 1 and channel, output mode is horizontal polarization TE11Mould；
When it is 90 degree that the phase of 4 mode converter phase shifters, which successively differs, output mode is circular polarisation TE11Mould.Following table is shown
Three kinds of typical regulation schemes of output polarization mode.
A circular waveguide TM of the invention01Polarize adjustable TE11Mode converter embodiment, working frequency are
9.3GHz, rectangular waveguide use X-band standard rectangular waveguide BJ100, width edge length a=22.86mm, narrow side length b=
10.16mm；Other main structure parameters are as shown in the table.
| Structural parameters | l1 | l2 | R0 | Rc | Rc1 | r1 | h1 | Rd | Rd1 | r | h |
| Size (mm) | 30 | 30 | 14 | 3 | 9 | 2 | 16 | 3 | 8 | 2 | 8 |
Claims (4)
1. a kind of circular waveguide TM01Polarize adjustable TE11Mode converter, which is characterized in that including four road rectangular waveguides of circular waveguide point
(1), four the one 90 ° curved rectangular waveguide (2), four large power waveguide adjustable phase shifters (3), four the 2nd 90 ° of degree moment of flexure shapes
Waveguide (4) He Silu rectangular waveguide closes circular waveguide (5)；
Circular waveguide point four road rectangular waveguides (1) include circular waveguide and four angular equally distributed rectangular waveguides, with rectangular wave
The end face center position for leading connection is equipped with first frustum of a cone (11), the stupefied rounded corner of the frustum of a cone；
Circular waveguide divides four road rectangular waveguides by the circular waveguide TM of input01Mould is divided into four road rectangular waveguide TE10Mould, circular waveguide point four
The circular waveguide port of road rectangular waveguide (1) is input port, and input pattern is TM in circular waveguide01Mould, rectangular waveguide are work frequency
The standard rectangular waveguide of section, transmission mode is TE in rectangular waveguide10Mould, first frustum of a cone (11) offset four road rectangles of circular waveguide point
The reflection that waveguide (1) discontinuous structure generates, makes circular waveguide TM01Mould is efficiently converted into rectangular waveguide TE10Mould, the frustum of a cone are stupefied
Rounded corner reduces field enhancement effect, improves power capacity；
The input terminal of four the one 90 ° curved rectangular waveguide (2) divides four road rectangular waves of four road rectangular waveguides (1) with circular waveguide respectively
Output end connection is led, the one 90 ° of curved rectangular waveguide 2 is curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould；
The input terminal of four large power waveguide adjustable phase shifters (3) and the output end of four the one 90 ° curved rectangular waveguide (2) connect
It connects；Large power waveguide adjustable phase shifter (3) adjusts TE in four road rectangular waveguides10The phase of mould, input port and output port are
Standard rectangular waveguide；
The input terminal of four the 2nd 90 ° curved rectangular waveguide (4) output end with four large power waveguide adjustable phase shifters (3) respectively
Connection, the 2nd 90 ° of curved rectangular waveguide (4) are curved 90 ° of standard rectangular waveguide, transmission mode TE10Mould is used for high-efficiency transfer
TE10Mould；
Four road rectangular waveguides close circular waveguide (5) include four angular equally distributed rectangular waveguides and circular waveguide, with rectangular wave
The end face center position for leading connection is equipped with second frustum of a cone (51), the stupefied rounded corner of the frustum of a cone, first frustum of a cone (11) and the second circle
Frustum (51) size is different；
Four road rectangular waveguides close 4 rectangular waveguide input terminals of circular waveguide (5) and the output of 4 the 2nd 90 ° curved rectangular waveguide (4)
End connection, four road rectangular waveguides close circular waveguide (5) tetra- road rectangular waveguide TE of phase shift Hou10Mould synthesizes circular waveguide TE11Mould is defeated
Out.
2. to require the 1 circular waveguide TM according to right01Polarize adjustable TE11Mode converter, which is characterized in that four big function
The input terminal of rate waveguide adjustable phase shifter (3) is connect with the output end of four the one 90 ° curved rectangular waveguide (2)；Large power waveguide
Adjustable phase shifter 3 adjusts TE in four road rectangular waveguides10The phase of mould, input port and output port are standard rectangular waveguide, property
It is able to satisfy: at working frequency, insertion loss < 0.3dB, phase shift range 0-360 degree.
3. to require the 1 circular waveguide TM according to right01Polarize adjustable TE11Mode converter, which is characterized in that the round wave
The circular waveguide radius R of tetra- road rectangular waveguide (1) of Dao Fen0Meet condition 0.383c/f < R0< 0.879c/f, wherein c is the light velocity, f
For the working frequency of mode converter；Circular waveguide length is l1；4 rectangular waveguides are the waveguide of working frequency range standard rectangular, 4 squares
The distance of shape waveguide port to circular waveguide axis is l2, l2>R0；The bottom radius of first frustum of a cone (11) is Rc1, top radius is Rc,
The stupefied rounding radii of the frustum of a cone is r1, first frustum of a cone (11) is highly h1, each parameter meets relationship: r1<Rc<Rc1<R0, h1<l1。
4. to require the 1 circular waveguide TM according to right01Polarize adjustable TE11Mode converter, which is characterized in that four tunnel
The circular waveguide radius that rectangular waveguide closes circular waveguide (5) is R0, circular waveguide length is l1；4 rectangular waveguides are working frequency range standard square
Shape waveguide, the distance of 4 rectangular waveguide ports to circular waveguide axis are l2, l2>R0；The bottom radius of second frustum of a cone (51) is Rd1,
Top radius is Rd, the stupefied rounding radii of the frustum of a cone is r, and second frustum of a cone (51) is highly h, and each parameter meets relationship: r < Rd<Rd1
<R0, h < l1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090689.4A CN110011003B (en) | 2019-01-30 | 2019-01-30 | Circular waveguide TM01TE with adjustable polarization11Mode converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090689.4A CN110011003B (en) | 2019-01-30 | 2019-01-30 | Circular waveguide TM01TE with adjustable polarization11Mode converter |
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| Publication Number | Publication Date |
|---|---|
| CN110011003A true CN110011003A (en) | 2019-07-12 |
| CN110011003B CN110011003B (en) | 2021-04-02 |
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ID=67165622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910090689.4A Active CN110011003B (en) | 2019-01-30 | 2019-01-30 | Circular waveguide TM01TE with adjustable polarization11Mode converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110534907A (en) * | 2019-09-24 | 2019-12-03 | 中国人民解放军国防科技大学 | Dual-band cross mode conversion antenna |
| CN113690559A (en) * | 2021-08-27 | 2021-11-23 | 西南交通大学 | Cross mode circular waveguide TM01 mode one-to-two orthogonal power division structure |
| CN116247394A (en) * | 2023-01-06 | 2023-06-09 | 中国人民解放军63660部队 | Rectangular waveguide TE 10 Circular waveguide polarization tunable TE 11 Mode converter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534907A (en) * | 2019-09-24 | 2019-12-03 | 中国人民解放军国防科技大学 | Dual-band cross mode conversion antenna |
| CN113690559A (en) * | 2021-08-27 | 2021-11-23 | 西南交通大学 | Cross mode circular waveguide TM01 mode one-to-two orthogonal power division structure |
| CN113690559B (en) * | 2021-08-27 | 2023-01-10 | 西南交通大学 | Cross mode circular waveguide TM01 mode one-to-two quadrature power splitting structure |
| CN116247394A (en) * | 2023-01-06 | 2023-06-09 | 中国人民解放军63660部队 | Rectangular waveguide TE 10 Circular waveguide polarization tunable TE 11 Mode converter |
| CN116247394B (en) * | 2023-01-06 | 2024-04-30 | 中国人民解放军63660部队 | Rectangular waveguide TE10Circular waveguide polarization tunable TE11Mode converter |
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| CN110011003B (en) | 2021-04-02 |
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