CN106998217B - A kind of high power capacity Microwave emission and reception device and method - Google Patents
A kind of high power capacity Microwave emission and reception device and method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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Abstract
The present invention relates to a kind of high power capacity Microwave emissions and reception device and method, including top circular waveguide, multistage circular waveguide, center coupling circular waveguide, square wave guide, waveguide transition component and the bottom end circular waveguide sequentially coaxially connected from top to bottom, the more metal columns arranged in X direction are equidistantly provided on same plane in square wave guide；It further include coupling four rectangular waveguides intersected with center 90 ° of faces E of coupling circular waveguide, two of them are in X direction, two along Y-direction, two Y-direction rectangular waveguides are short circuited waveguide, two X-direction rectangular waveguides form two rectangular waveguide port connection HIGH-POWERED MICROWAVES receivers after step transition, bottom end circular waveguide connects high-power microwave source, and top circular waveguide connects high-power microwave antenna by circular polarizer.The present invention can real transmission channel and receiving channel high degree of isolation, while the structure also ensures and the GW grade High-Power Microwave transmitted under emission mode is not punctured.
Description
Technical field
The present invention relates to High-Power Microwave technical fields, and one kind with the field of reception is especially emitted for High-Power Microwave
High power capacity Microwave emission and reception device and method.
Background technique
Traditional High-Power Microwave is generated generally by electron tube, at present the velocity modulation in High-Power Microwave field
The devices such as pipe, backward wave tube can produce hundred MW or even GW grades of power capacity, and the GW grade High-Power Microwave that these devices generate is general
It is radiated in free space by high power capacity transmission with radiating system, to realize High-Power Microwave to the non-linear pressure of target
System and damage, referring to document: J.Benford, J.A.Swegle, and E.Schamiloglu, " High Power
Microwaves, " 2th ed.New York:Taylor&Francis, 2007. (High-Power Microwave Chinese translation, Jiang Weihua,
Relaxation is translated, pp.37-54), text in high-power microwave source be used as weapon when, actively emit electromagnetic wave and attacked, but because of its not
With the ability of reception, therefore do not have detecting function, so high power microwave weapon target of attack, needs other radar to be drawn
It leads.It is attacked if a kind of high-power microwave source can both emit electromagnetic wave, the electromagnetic wave that target is reflected back can also be received
After send to receiver and handled, then this structure both has the function of attack, can also have detecting function.Gao Gong based on this structure
Rate microwave weapon will be hopeful to realize while realizing guidance and attack.
GW grade that high-power microwave source generates, short pulse (20-100ns) is if High-Power Microwave energy is used for radar
The tracking detection of distant object, medium and long distance target may be implemented in energy source, the radar based on GW grades of high-power microwave sources
Non-linear compacting and close-in target are injured.But if GW grades of High-Power Microwaves are used for the power source of radar, it is necessary to
The isolating problem of transmission channel and receiving channel is solved, if transmission channel and receiving channel do not have higher isolation, is sent out
The GW grade High-Power Microwave for penetrating channel is coupled in receiving channel, and coupling energy is directly injected into receiver, it is most likely that meeting
Receiver is set to degrade or burn, referring specifically to following documents:
[1]J.B.Robert and E.Schamiloglu,“High Power Microwave Sources and
Technologies,”Piscataway,NJ:IEEE Press,2001.
[2]W.Song,X.W.Zhang,and C.H.Chen,IEEE Trans.Electron Devices,vol.60,
no.1,pp.494-497,May.2013.
[3]R.Z.Xiao,C.H.Chen,and W.B.Tan,IEEE Trans.Electron Devices.,vol.61,
no.2,pp.611-616,Feb.2014.
[4]C.C.Courtney and C.E.Baum,IEEE Trans.Antennas Propagat.,vol.48,
no.2,pp.299-308,Feb.2000.
[5]C.W.Yuan,Q.X.Liu,and H.H.Zhong,IEEE Microwave.Wireless.Compon
Lett.,vol.15,no.8,pp.513-515,Aug.2005.
[6]W.J.Feng,Q.Xue,and W.Q.Che,IEEE Trans.Microw.Theory Tech.vol.58,
no.11,pp.2915-2923,Nov.2010.
Summary of the invention
When in order to overcome existing GW grades of High-Power Microwave to be used for the power source of radar, transmission channel and receiving channel
The problem of not having higher isolation, and receiver is caused to degrade or burn, the present invention provide a kind of high power capacity microwave hair
It penetrates and reception device, the high degree of isolation of transmission channel in the transmission mode and receiving channel may be implemented (isolation is greater than 50dB)
And receiving channel and transmission channel are isolated (isolation is greater than 20dB) in the receiving mode, while the structure also ensure for
The GW grade High-Power Microwave transmitted under emission mode does not puncture.
The technical solution of the invention is as follows provides a kind of high power capacity Microwave emission and reception device, special character
It is: including coupling circular waveguide, square wave guide, wave from top to the sequentially connected top circular waveguide in bottom, multistage circular waveguide, center
Lead transition member and bottom end circular waveguide, the diameter of circular waveguide at different levels is sequentially increased from top to bottom in above-mentioned multistage circular waveguide,
The diameter of above-mentioned bottom end circular waveguide is less than the diameter of center coupling circular waveguide；
The more metal columns arranged in X direction are equidistantly provided in above-mentioned square wave guide on same plane；
It further include coupling four rectangular waveguides intersected with center 90 ° of faces E of coupling circular waveguide, two of them are in X direction
X-direction rectangular waveguide, two two Y-direction rectangular waveguides are short circuited waveguide for along the Y-direction rectangular waveguide of Y-direction, two
X-direction rectangular waveguide forms two rectangular waveguide ports after step transition, for connecting HIGH-POWERED MICROWAVES receiver, bottom end circle
Waveguide connects high-power microwave source, and top circular waveguide connects high-power microwave antenna by circular polarizer.
Preferably, in order to improve power capacity, the incline of above-mentioned square wave guide has chamfering；Above-mentioned square wave guide is coupled with center
The junction of circular waveguide is provided with rounded corner.
Preferably, multistage circular waveguide is Pyatyi circular waveguide, and the junction setting of the circular waveguides at different levels in Pyatyi circular waveguide is fallen
Angle, Pyatyi circular waveguide ensure that center coupling circular waveguide and top circular waveguide are good and match and small return loss.
Preferably, waveguide transition component be linear transitions component, transition member ensure to inject in the circular waveguide of bottom along the side Y
To polarized TE11Mode almost all is coupled in polarization isolation structure, return loss very little；Two along Y-direction are short-circuited
Rectangular waveguide also ensure the small echo damage of the high-isolation for receiving channel and transmission channel and bottom circular waveguide port simultaneously
Consumption.
Top circular waveguide and bottom end circular waveguide should choose suitable radius, so that only existing polarization degeneracy in circular waveguide
TE11Mould, TM01Mould and TE21Higher order mode is not present in mode.
The selection of the quantity, spacing, size of polarization isolation structural metal column will pass through certain optimisation, and optimization aim is transmitting
Along the polarized TE of Y-direction under mode11Mode can be polarized in X direction under reception pattern all by polarization isolation structure
TE11Mode can be totally reflected back to center coupling circular waveguide, and the field-free enhancing point of polarization isolation structure under emission mode, have higher
Power capacity.Preferably, above-mentioned metal column is 7, and the section of metal column is rectangle, square wave guide and 7 metal column group polings
Change isolation structure.
This high power capacity Microwave emission and the structural parameters of reception device can choose following data:
The radius of top circular waveguide is 15.5mm, and the radius of circular waveguide at different levels sequentially consists of in Pyatyi circular waveguide
26.81mm, 24.89mm, 23.93mm, 21.15mm, 17.52mm, corresponding height be followed successively by 5.36mm, 2.1mm, 2.73mm,
2.06mm, 5.14mm, center couple circular waveguide radius be 29.8mm, be highly 10.16mm, square wave guide having a size of 38mm ×
38mm × 18.35mm, waveguide transition part length are 35.4mm, and the radius of bottom end circular waveguide is 16.21mm.
Sectional dimension positioned at two rectangular waveguides of X-direction is 22.86mm × 10.16mm, positioned at two of the direction y
The size of rectangular waveguide is 29mm × 10.16mm × 20mm.
There are two operating modes for the device: emission mode and reception pattern, emission port (bottom end circular waveguide) connect GW grades
High-power microwave source, receiving port (positioned at two rectangular waveguides of X-direction) connect radar receiver, transmit-receive sharing port (top
Hold circular waveguide) connection high-power microwave antenna.
Emission mode work when, high-power microwave source generate along the polarized TE of Y-direction11Mode is micro- by GW grades of high powers
Wave forms dextrorotation entelechy by emission port, polarization isolation structure, center coupling circular waveguide, transmit-receive sharing port, circular polarizer
Change wave and then enter antenna and realizes directed radiation.When in the circular waveguide of bottom end input along the polarized TE of Y-direction11Mode, TE11Mode
It is transmitted in the polarization isolation structure being made of square wave guide and insertion metal column through circular waveguide to square wave guide transition, TE11Mode
Polarization direction is vertical with the insertion orientation of metal structure, therefore along the polarized TE of Y-direction11Mode can all pass through polarization
Enter center after isolation structure and couple circular waveguide, it is high that two rectangular waveguides that circular waveguide couples in the face X-direction E are coupled with center
Degree isolation, along the polarized TE of Y-direction11Mode continues to export after being transmitted to top circular waveguide.System vacuum is maintained at 10-2Pa
It when magnitude, is calculated according to the metal surface 80MV/m threshold of air breakdown, power capacity is not less than 3GW.Bottom end circular waveguide at this time
Isolation between the two rectangular waveguide ports in port and X-direction is greater than 50dB, it ensure that work is coupled in emission mode
The energy of receiver will not be too high, plays the role of protecting receiver.
When reception pattern works, target reflection echo forms left-hand circular polarization wave and enters circular polarizer, by circular polarizer
The polarized TE of X is formed afterwards11Mode, the polarized TE of X11Mode couples circular waveguide, X polarization by transmitting-receiving common port, into center
TE11Mode is polarized isolation structure total reflection, the final polarized TE of X11Mode enters receiving port and is transmitted to radar reception
Machine.As nose-circle waveguide port feed-in polarized TE in X direction11Mode, in X direction polarized TE11Mode is through top circular waveguide
Center coupling circular waveguide is transitted to, due to TE11The metal cylinder orientation loaded in mode polarization direction and square wave guide is identical,
Therefore polarized TE in X direction11Mode can be all-trans by metal cylinder is incident upon center coupling circular waveguide, finally arranges in X direction
Rectangular waveguide output, bottom end circular waveguide port is isolated.Under this operating mode, transmit-receive sharing port (nose-circle waveguide port) is connect
The energy of the energy coupling received to emission port (bottom end circular waveguide port) is less than -20dB, ensure that and receives microwave energy
Minimization of loss.
The present invention also provides a kind of high power capacity Microwave emission and method of reseptance, including emission mode and reception pattern,
The emission port of bottom end circular waveguide connects GW grades of high-power microwave sources, and the receiving port positioned at two rectangular waveguides of X-direction connects
Radar receiver is connect, the transmit-receive sharing port of top circular waveguide connects high-power microwave antenna；
Emission mode: high-power microwave source generate along the polarized TE of Y-direction11Mode is passed through by GW grades of High-Power Microwaves
Bottom end circular waveguide emission port, polarization isolation structure, center coupling circular waveguide, top circular waveguide, circular polarizer form dextrorotation circle
Polarized wave enters antenna in turn and realizes directed radiation；
When reception pattern works, target reflection echo forms left-hand circular polarization wave and enters circular polarizer, by circular polarizer
The polarized TE of X is formed afterwards11Mode, in X direction polarized TE11Mode receives and dispatches common port by top circular waveguide, into center
Circular waveguide is coupled, in X direction polarized TE11Mode is polarized isolation structure total reflection, finally polarized TE in X direction11Mode
Radar receiver is transmitted into X-direction rectangular waveguide receiving port.
The beneficial effects of the present invention are:
1, apparatus of the present invention emission port (bottom end circular waveguide port) and receiving port (two rectangular waveguides in X direction
Port) isolation (being isolated by polarization isolation structure), it can be ensured that when working in emission mode, along the polarized TE of Y-direction11
Mode all passes through polarization isolation structure, and with receiving port high degree of isolation, the rectangular waveguide being short-circuited ensures high-isolation
With the small return loss of emission port, the GW grade microwave power in high-power microwave source, which will not be burnt, is connected to connecing for receiving port
Receipts machine.Therefore, this structure can be worked normally in emission mode and reception pattern, and have high power capacity when emission mode.
2, when apparatus of the present invention work in reception pattern, polarized TE in X direction is injected in the circular waveguide of top11Mode passes through
Pyatyi circular waveguide transition enters center coupling circular waveguide, can be all reflected back center when injection way enters polarization isolation structure
It is exported after coupling circular waveguide by receiving port.Two rectangular waveguides being short-circuited and waveguide transition component ensure nose-circle
The TE polarized in X direction of waveguide injection11Mode is fully assigned into receiving port, and whole matching is functional.
3, waveguide transition structure ensure to inject in emission port along the polarized TE of Y-direction11Mode almost all is coupled to
In polarization isolation structure, return loss very little.
4, the Pyatyi circular waveguide of intermediate connection ensures good matching and small return loss.
Detailed description of the invention
Fig. 1 is the Microwave emission and reception device structural schematic diagram of embodiment；
Fig. 2 is the Microwave emission of embodiment and the top structure schematic diagram of reception device；
Fig. 3 is the Microwave emission of embodiment and the bottom substance schematic diagram of reception device；
Fig. 4 circular waveguide radius and TE11Mode, TM01Mode, TE21、TE01And TE31The relational graph of mode cutoff frequency；
Fig. 5 (a) shows the field pattern that polarization isolation structure injects polarized TE mode in X direction；
Fig. 5 (b) shows the injection of polarization isolation structure along the field pattern of the polarized TE mode of Y-direction；
Fig. 6 (a) shows the field distribution of emission mode next top；
Fig. 6 (b) shows emission mode lower section field distribution；
Fig. 7 (a) shows the field distribution of reception pattern next top；
Fig. 7 (b) shows reception pattern lower section field distribution；
Fig. 8 shows corresponding S parameter distribution under reception pattern；
Fig. 9 shows corresponding S parameter distribution under emission mode；
Figure 10 is the present embodiment high power capacity Microwave emission and the top view for receiving structure；
Figure 11 is the present embodiment high power capacity Microwave emission and the main view for receiving structure；
Figure 12 is the present embodiment high power capacity Microwave emission and the right view for receiving structure；
Figure 13 is the present embodiment high power capacity Microwave emission and the enlarged drawing for receiving structured waveguide junction.
Appended drawing reference in figure are as follows: 1,2-X direction rectangular waveguide, the top 3- circular waveguide, the bottom end 4- circular waveguide, the coupling of the center 5-
Circular waveguide, 6,7-Y direction rectangular waveguides, 8- multistage circular waveguide, 9- square wave guide, 10- metal column, 11- waveguide transition component.
Specific embodiment
For a clearer understanding of the present invention, being carried out with reference to the accompanying drawings and detailed description to the present invention further
Detailed description.
High power capacity transmitting and receiving device structure by taking 9.56-9.8GHz as an example, in the present embodiment are as follows:
The radius of top circular waveguide 3 is 15.5mm；The radius of circular waveguide at different levels sequentially consists of in multistage circular waveguide 8
26.81mm, 24.89mm, 23.93mm, 21.15mm, 17.52mm, corresponding height be followed successively by 5.36mm, 2.1mm, 2.73mm,
2.06mm, 5.14mm, it is highly 10.16mm, from top circular waveguide 3 to center that the radius that center couples circular waveguide 5, which is 29.8mm,
There are six waveguides to connect altogether between coupling circular waveguide 5；As shown in figure 13, waveguide junction chamfer radius be respectively 1.5mm, 1.5mm,
1.5mm,1.5mm,1.5mm,3mm.The polarization isolation structure connecting with center coupling 5 bottom of circular waveguide has chamfering by incline
Square wave guide 9 and to be inserted into its 7 internal section be that rectangular metal column 10 is constituted, wherein square wave guide 9 having a size of 38mm ×
38mm, square wave guide incline chamfer radius are 4.9mm, and 9 height of square wave guide is 18.35mm, and the square wave guide 9 after chamfering is coupled with center
Chamfer radius between circular waveguide 5 is 3mm, and the sectional dimension of insertion metal column 10 is 2.21mm × 0.2mm, length 38mm.7
Insertion metal column is successively equidistantly extended to square wave guide both ends, and spacing 4.35mm, 7 10 bottom surfaces of insertion metal column are apart from square wave
Lead 9 bottom surface 6.14mm.9 bottom of square wave guide transits to radius by the linear waveguide transition member 11 that height is 35.4mm
The bottom end circular waveguide 4 of 16.21mm.Top circular waveguide 3, bottom end circular waveguide 4, center coupling circular waveguide 5 and polarization isolation structure and
Waveguide transition component between them is coaxial (Z axis).
Rectangular waveguide 1 and rectangular waveguide 2, the rectangular waveguide 6 positioned at Y-direction and rectangular waveguide 7 positioned at X-direction is in
The heart couples the 5 90 ° of face E coupling intersections of circular waveguide, and rectangular waveguide 1 and rectangular waveguide 2 form two rectangular waveguide ports, section
Having a size of 22.86mm × 10.16mm, rectangular waveguide 6 and rectangular waveguide 7 are short-circuit rectangular waveguide, having a size of 29mm ×
10.16mm × 20mm, the distance between two short-circuit rectangular waveguides are 124.24mm, and rectangular waveguide 1 and rectangular waveguide 2 pass through two
Grade rectangular waveguide transition is coupled with center Coupled Circle waveguide E face, the two-stage rectangular wave being connected with rectangular waveguide 1 and rectangular waveguide 2
Guide ruler cun is respectively as follows: 33mm × 10.16mm × 5.12mm and 37.375mm × 10.16mm × 18mm.
Fig. 4 gives the corresponding relationship between the cutoff frequency of circular waveguide and circular waveguide radius, available from figure 4, to make
The highest mode that 10GHz is existed below is TE21Mode, waveguide radius size need to be less than 18.3mm, nose-circle in the present embodiment
The radius of 4 port of 3 port of waveguide and bottom end circular waveguide is respectively that 15.5mm and 16.21mm is all satisfied requirement.
In 9.56-9.80GHz frequency range:
For the associative mode of this five-port junction structure is defined as: mode 1:1,2:1 represent rectangular waveguide 1 and rectangular waveguide 2
In TE10Mode；Mode 3 (4): 1,3 (4): 2 represent in top circular waveguide 3 and bottom end circular waveguide 4 in the x-direction and in the y-direction pole
The TE of change11Mode；Mode 3 (4): 3 represent the TM in top circular waveguide 3 and bottom end circular waveguide 401Mode；Mode 3 (4): 4,3
(4): 5 represent the TE of the polarization degeneracy in 3 port of top circular waveguide and bottom end circular waveguide 421Mode.
For reception pattern, when circular waveguide 3 port in top receives polarized TE in X direction11Mode, top circular waveguide end
The reflection S (3:1,3:1) of mouth is less than -20dB, the coupling S (3:1,4:1) of 3 port of top circular waveguide to 4 port of bottom end circular waveguide
Less than -20dB, energy is fully assigned into rectangular waveguide port 1 and rectangular waveguide port 2, and insertion loss is less than 0.1dB.This
Illustrate that energy almost all is received under reception pattern to be transferred in rectangular port 1 and 2.Field distribution such as Fig. 7 under reception pattern
Shown, S parameter distribution is as shown in figure 8, when polarization isolation structure is totally reflected shown in section field distribution such as Fig. 5 (a).
For emission mode, when circular waveguide 4 port in bottom end is injected along the polarized TE of Y-direction11Mode, 4 end of bottom end circular waveguide
The reflection S (4:2,4:2) of mouth is less than -20dB, and the isolation between 4 port of bottom end circular waveguide and two rectangular waveguide ports 1,2 is S
(4:2,1:1) is less than -50dB, and 4 port of bottom end circular waveguide to the insertion loss between 3 port of top circular waveguide is less than 0.1dB.This says
The energy injected in 4 port of bottom end circular waveguide under bright emission mode is all introduced into 3 port of top circular waveguide and suffers.Emission mode
Under field distribution as shown in fig. 6, S parameter distribution as shown in figure 9, when microwave energy all passes through in polarization isolation structure section electricity
Shown in field distribution such as Fig. 5 (b).In the case of emission mode, circular waveguide 4 port in bottom end is injected along the polarized TE of Y-direction11Mode, hair
It penetrates and is less than 1400V/m with reception device maximum field strength, when working under high vacuum state, vacuum degree is less than 10-2Pa, according to vacuum
The breakdown threshold of lower 80MV/m calculates, which is not less than 3GW.
GW grades of High-Power Microwave transmittings and received key technology may be implemented in technical solution through the invention.Transmitting terminal
Mouth and the high power capacity of high degree of isolation and the structure between receiving port are the emphasis and difficult point of design.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within thinking and principle of the invention, it is made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of high power capacity Microwave emission and reception device, it is characterised in that: including sequentially coaxially connecting from top to bottom
Top circular waveguide (3), the multistage circular waveguide (8), center coupling circular waveguide (5), square wave guide (9), waveguide transition component (11) connect
And bottom end circular waveguide (4), the diameter of circular waveguide at different levels is sequentially increased from top to bottom in multistage circular waveguide (8), described
The diameter of bottom end circular waveguide (4) is less than the diameter of center coupling circular waveguide (5)；
The more metal columns (10) arranged in X direction are equidistantly provided in the square wave guide (9) on same plane；Square wave guide
(9) polarization isolation structure is formed with metal column；
Top circular waveguide (3), multistage circular waveguide (8), center coupling circular waveguide (5) and bottom end circular waveguide are TE11Mode justifies wave
It leads；It further include coupling four rectangular waveguides intersected with center (5) 90 ° of faces E of coupling circular waveguide, two of them are X in X direction
Direction rectangular waveguide (1,2), two is, along the Y-direction rectangular waveguide (6,7) of Y-direction, two Y-direction rectangular waveguides are short-circuit wave
It leads, two X-direction rectangular waveguides form two rectangular waveguide ports after step transition, receive for connecting HIGH-POWERED MICROWAVES
Machine, bottom end circular waveguide (4) connect high-power microwave source, and top circular waveguide (3) connects high-power microwave antenna by circular polarizer.
2. a kind of high power capacity Microwave emission according to claim 1 and reception device, it is characterised in that: the square wave
The incline for leading (9) has chamfering；The junction that the square wave guide (9) couples circular waveguide (5) with center is provided with rounded corner.
3. a kind of high power capacity Microwave emission according to claim 1 or 2 and reception device, it is characterised in that: described
Multistage circular waveguide (8) is Pyatyi circular waveguide, and chamfering is arranged in the junction of the circular waveguides at different levels in Pyatyi circular waveguide.
4. a kind of high power capacity Microwave emission according to claim 3 and reception device, it is characterised in that: waveguide transition
Component (11) is linear transitions component.
5. a kind of high power capacity Microwave emission according to claim 4 and reception device, it is characterised in that: the metal
Column (10) is 7, and the section of metal column is rectangle, and square wave guide (9) forms polarization isolation structure with 7 metal columns.
6. a kind of high power capacity Microwave emission according to claim 5 and reception device, it is characterised in that: nose-circle wave
The radius for leading (3) is 15.5mm, in Pyatyi circular waveguide the radius of circular waveguide at different levels sequentially consist of 26.81mm,
24.89mm, 23.93mm, 21.15mm, 17.52mm, corresponding height be followed successively by 5.36mm, 2.1mm, 2.73mm, 2.06mm,
5.14mm, center couple circular waveguide (5) radius be 29.8mm, be highly 10.16mm, square wave guide (9) having a size of 38mm ×
38mm × 18.35mm, waveguide transition component (11) length are 35.4mm, and the radius of bottom end circular waveguide (4) is 16.21mm.
7. a kind of high power capacity Microwave emission according to claim 6 and reception device, it is characterised in that: two sides X
Sectional dimension to rectangular waveguide (1,2) is 22.86mm × 10.16mm, and the size of two direction y rectangular waveguides is 29mm
×10.16mm×20mm。
8. a kind of realize high power capacity Microwave emission and method of reseptance using the device as claimed in claim 1 to 7, special
Sign is: including emission mode and reception pattern, the emission port of bottom end circular waveguide connects GW grades of high-power microwave sources, is located at X
The receiving port of two rectangular waveguides in direction connects radar receiver, and the transmit-receive sharing port of top circular waveguide connects high power
Microwave antenna；
Emission mode: high-power microwave source generate along the polarized TE of Y-direction11Mode is by GW grades of High-Power Microwaves by bottom end
Circular waveguide emission port, polarization isolation structure, center coupling circular waveguide, top circular waveguide, circular polarizer form right-handed circular polarization
Wave enters antenna in turn and realizes directed radiation；
When reception pattern works, target reflection echo forms left-hand circular polarization wave and enters circular polarizer, the shape after circular polarizer
At the polarized TE of X11Mode, in X direction polarized TE11Mode receives and dispatches common port by top circular waveguide, couples into center
Circular waveguide, in X direction polarized TE11Mode is polarized isolation structure total reflection, finally polarized TE in X direction11Mode enters
X-direction rectangular waveguide receiving port is simultaneously transmitted to radar receiver.
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| CN112945351B (en) * | 2021-03-12 | 2022-01-04 | 中灌顺鑫华霖科技发展有限公司 | Microwave water level meter and water level measuring method |
| CN113948834B (en) * | 2021-10-18 | 2022-10-11 | 中国人民解放军国防科技大学 | Branch type circular waveguide high-power microwave antenna switch |
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| CN103515677A (en) * | 2013-09-26 | 2014-01-15 | 西北核技术研究所 | High-power microwave phase shifter |
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| WO2023200523A1 (en) * | 2022-04-13 | 2023-10-19 | Tibaray, Inc. | Compact high power radio frequency polarizer group |
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| CN106998217A (en) | 2017-08-01 |
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