CN106998217A - 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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- H04B1/38—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 emission and reception device and method, including the top circular waveguide sequentially coaxially connected from top to bottom, multistage circular waveguide, center coupling circular waveguide, square wave guide, waveguide transition part and bottom circular waveguide, equidistantly many metal columns arranged in X direction are provided with same plane in square wave guide；Also include coupling four rectangular waveguides that 90 ° of E faces couplings of circular waveguide are intersected with center, two of which is 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 circular waveguide connection high-power microwave source, 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, do not puncture for the GW level High-Power Microwaves transmitted under emission mode while the structure is also ensured.
Description
Technical field
The present invention relates to High-Power Microwave technical field, particularly launch one kind with receiving field for High-Power Microwave
High power capacity Microwave emission and reception device and method.
Background technology
Traditional High-Power Microwave is produced generally by electron tube, the velocity modulation in current 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 level High-Power Microwaves that these devices are produced are general
It is radiated by high power capacity transmission with radiating system in free space, to realize non-linear pressure of the High-Power Microwave to 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 launch electromagnetic wave and attacked, but because of its not
With receiving ability, therefore without detecting function, so high power microwave weapon target of attack is, it is necessary to which other radar is drawn
Lead.Attacked if a kind of high-power microwave source can both launch electromagnetic wave, the electromagnetic wave that can be also reflected back target is received
After deliver to receiver and handled, then this structure has both had attack function, can also have detecting function.Gao Gong based on this structure
Rate microwave weapon will be hopeful to realize while realizing guiding and attack.
GW levels that high-power microwave source is produced, short pulse (20-100ns) is if High-Power Microwave energy is used for radar
Energy source, the radar based on GW grades of high-power microwave sources can realize the tracking detection of distant object, medium and long distance target
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
Transmission channel and the isolating problem of receiving channel are solved, if transmission channel and receiving channel are without higher isolation, hair
The GW level High-Power Microwaves for penetrating passage are 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 documents below：
[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.
The content of the invention
During 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
Without higher isolation, and cause the problem of receiver degrades or burnt, the present invention provides a kind of high power capacity microwave hair
Penetrate and reception device, it is possible to achieve the high degree of isolation (isolation be more than 50dB) of transmission channel and receiving channel in the transmission mode
And receiving channel and transmission channel isolate (isolation is more than 20dB) in the receiving mode, at the same the structure also ensure for
The GW level High-Power Microwaves transmitted under emission mode do not puncture.
The technical solution of the present invention is to provide a kind of high power capacity Microwave emission and reception device, its special character
It is：Including the top circular waveguide being sequentially connected from top to bottom, multistage circular waveguide, center coupling circular waveguide, square wave guide, ripple
The diameter for leading circular waveguides at different levels in transition member and bottom circular waveguide, above-mentioned multistage circular waveguide increases successively from top to bottom,
The diameter of above-mentioned bottom circular waveguide is less than the diameter that center couples circular waveguide；
In above-mentioned square wave guide equidistantly many metal columns arranged in X direction are provided with same plane；
Also include coupling four rectangular waveguides that 90 ° of E faces couplings of circular waveguide are intersected with center, two of which is in X direction
X-direction rectangular waveguide, two are Y-direction rectangular waveguide along Y-direction, and two Y-direction rectangular waveguides are short circuited waveguide, two
X-direction rectangular waveguide forms two rectangular waveguide ports after step transition, for connecting HIGH-POWERED MICROWAVES receiver, bottom 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 of the circular waveguides at different levels in Pyatyi circular waveguide sets
Angle, Pyatyi circular waveguide ensure that center couple circular waveguide with top circular waveguide matching and small return loss well.
Preferably, waveguide transition part is linear transitions part, transition member ensure to inject in the circular waveguide of bottom along Y side
To the TE of polarization11Pattern almost all is coupled in polarization isolation structure, return loss very little；It is short-circuited along two of Y-direction
Rectangular waveguide also ensure that the small echo of the high-isolation for receiving passage and transmission channel and bottom circular waveguide port is damaged simultaneously
Consumption.
Top circular waveguide and bottom circular waveguide should choose suitable radius so that polarization degeneracy is only existed in circular waveguide
TE11Mould, TM01Mould and TE21Pattern, in the absence of higher order pattern.
The quantity of polarization isolation structural metal post, spacing, the selection of size will pass through certain optimisation, and optimization aim is transmitting
The TE polarized under pattern along Y-direction11Pattern can in X direction polarize all by polarization isolation structure under reception pattern
TE11Pattern can be totally reflected back to the field-free enhancing point of polarization isolation structure under center coupling circular waveguide, and emission mode, with 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 composition poles
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 that the radius of circular waveguides at different levels in 15.5mm, Pyatyi circular waveguide is sequentially consisted 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 coupling circular waveguide radius be 29.8mm, be highly 10.16mm, square wave guide size be 38mm ×
38mm × 18.35mm, waveguide transition part length is 35.4mm, and the radius of bottom circular waveguide is 16.21mm.
Sectional dimension positioned at two rectangular waveguides of X-direction is 22.86mm × 10.16mm, two positioned at y directions
The size of rectangular waveguide is 29mm × 10.16mm × 20mm.
The device has two mode of operations：Emission mode and reception pattern, emission port (bottom circular waveguide) connect GW grades
High-power microwave source, receiving port (two rectangular waveguides for being located at X-direction) connection radar receiver, transmit-receive sharing port (top
Hold circular waveguide) connection high-power microwave antenna.
When emission mode works, the TE polarized along Y-direction that high-power microwave source is produced11Pattern is micro- by GW grades of high powers
Ripple is by emission port, polarization isolation structure, center coupling circular waveguide, transmit-receive sharing port, circular polarizer formation dextrorotation entelechy
Change ripple and then realize directed radiation into antenna.When inputting the TE that is polarized along Y-direction in the circular waveguide of bottom11Pattern, TE11Pattern
Transmitted through circular waveguide to square wave guide transition into the polarization isolation structure being made up of square wave guide and insertion metal column, TE11Pattern
Orientation of the polarised direction with inserting metal structure is vertical, therefore the TE polarized along Y-direction11Pattern can all pass through polarization
Enter center after isolation structure and couple circular waveguide, two rectangular waveguides that circular waveguide couples in X-direction E faces are coupled with center high
Degree isolation, the TE polarized along Y-direction11Pattern continues to transmit to the circular waveguide of top output.System vacuum is maintained at 10-2Pa
During magnitude, calculated according to 80MV/m metal surfaces threshold of air breakdown, its power capacity is not less than 3GW.Now bottom circular waveguide
Isolation between the two rectangular waveguide ports in port and X-direction is more than 50dB, it ensure that when being operated in emission mode, being coupled to
The energy of receiver will not be too high, plays a part of protecting receiver.
When reception pattern works, target reflection echo formation left-hand circular polarization ripple enters circular polarizer, by circular polarizer
The TE of X polarization is formed afterwards11Pattern, the TE of X polarization11Pattern couples circular waveguide, X polarization by transmitting-receiving common port into center
TE11Pattern is polarized isolation structure total reflection, the TE of final X polarization11Pattern, which enters receiving port and transmitted to radar, to be received
Machine.The TE polarized in X direction when nose-circle waveguide port feed-in11Pattern, the TE polarized in X direction11Pattern is through top circular waveguide
Center coupling circular waveguide is transitted to, due to TE11Pattern polarised direction is identical with the metal cylinder orientation loaded in square wave guide,
Therefore the TE polarized in X direction11Pattern can be all-trans by metal cylinder is incident upon center coupling circular waveguide, finally arranges in X direction
Rectangular waveguide is exported, and bottom circular waveguide port is isolated.Under this mode of operation, transmit-receive sharing port (nose-circle waveguide port) connects
The energy coupling received to the energy of emission port (bottom circular waveguide port) is less than -20dB, it is ensured that receive 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 circular waveguide connects GW grades of high-power microwave sources, and the receiving port positioned at two rectangular waveguides of X-direction connects
Connect radar receiver, the transmit-receive sharing port connection high-power microwave antenna of top circular waveguide；
Emission mode：The TE polarized along Y-direction that high-power microwave source is produced11Pattern is passed through by GW grades of High-Power Microwaves
Bottom circular waveguide emission port, polarization isolation structure, center coupling circular waveguide, top circular waveguide, circular polarizer formation dextrorotation circle
Polarized wave and then directed radiation is realized into antenna；
When reception pattern works, target reflection echo formation left-hand circular polarization ripple enters circular polarizer, by circular polarizer
The TE of X polarization is formed afterwards11Pattern, the TE polarized in X direction11Pattern receives and dispatches common port by top circular waveguide, into center
Couple circular waveguide, the TE polarized in X direction11Pattern is polarized isolation structure total reflection, the TE finally polarized in X direction11Pattern
Transmitted into X-direction rectangular waveguide receiving port to radar receiver.
The beneficial effects of the invention are as follows：
1st, apparatus of the present invention emission port (bottom 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, the TE polarized along Y-direction11
Pattern is all by polarization isolation structure, and with receiving port high degree of isolation, and the rectangular waveguide being short-circuited ensure that high-isolation
With the small return loss of emission port, the GW grade microwave powers in high-power microwave source, which will not burn, is connected to connecing for receiving port
Receipts machine.Therefore, this structure energy normal work has high power capacity in emission mode and reception pattern, and during emission mode.
2nd, when apparatus of the present invention work in reception pattern, the TE polarized in X direction is injected in the circular waveguide of top11Pattern passes through
The transition of Pyatyi circular waveguide enters center and couples circular waveguide, and center can be all reflected back when injection way enters polarization isolation structure
Exported after coupling circular waveguide by receiving port.Two rectangular waveguides and waveguide transition part being short-circuited ensure that nose-circle
The TE polarized in X direction of waveguide injection11Pattern is fully assigned into receiving port, and whole matching is functional.
3rd, waveguide transition structure ensures the TE polarized along Y-direction injected in emission port11Pattern almost all is coupled to
In polarization isolation structure, return loss very little.
4th, the Pyatyi circular waveguide of middle connection ensure that good matching and small return loss.
Brief description of the drawings
Fig. 1 is the Microwave emission and reception device structural representation 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 polycrystalline substance schematic diagram of reception device；
Fig. 4 circular waveguides radius and TE11Pattern, TM01Pattern, TE21、TE01And TE31The graph of a relation of mode cutoff frequency；
Fig. 5 (a) shows the field pattern for the TE patterns that the injection of polarization isolation structure polarizes in X direction；
Fig. 5 (b) shows the field pattern for the TE patterns that the injection of polarization isolation structure polarizes along 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 top view of the present embodiment high power capacity Microwave emission with receiving structure；
Figure 11 is front view of the present embodiment high power capacity Microwave emission with receiving structure；
Figure 12 is right view of the present embodiment high power capacity Microwave emission with receiving structure；
Figure 13 is enlarged drawing of the present embodiment high power capacity Microwave emission with receiving structured waveguide junction.
Reference is in figure：1,2-X direction rectangular waveguide, 3- tops circular waveguide, 4- bottoms circular waveguide, the coupling of 5- centers
Circular waveguide, 6,7-Y direction rectangular waveguides, 8- multistage circular waveguides, 9- square wave guides, 10- metal columns, 11- waveguide transition parts.
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
It is described in detail.
By taking 9.56-9.8GHz as an example, the high power capacity transmitting and receiving device structure in the present embodiment is：
The radius of top circular waveguide 3 is 15.5mm；The radius of circular waveguides at different levels is sequentially consisted 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, the radius of center coupling circular waveguide 5 is 29.8mm, is highly 10.16mm, from top circular waveguide 3 to center
Six waveguide connections are had 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 being connected with center coupling circular waveguide 5 bottom has chamfering by incline
Square wave guide 9 and insert its 7 internal section and constituted for rectangular metal column 10, wherein the size of square wave guide 9 be 38mm ×
38mm, square wave guide incline chamfer radius are 4.9mm, and the height of square wave guide 9 is that the square wave guide 9 after 18.35mm, chamfering is coupled with center
Chamfer radius between circular waveguide 5 are 3mm, and the sectional dimension of insertion metal column 10 is 2.21mm × 0.2mm, and length is 38mm.7
Insertion metal column equidistantly extends to square wave guide two ends successively, and spacing is 4.35mm, and 7 insertion metal column 10 bottom surfaces are apart from square wave
Lead 9 bottom surface 6.14mm.The linear waveguide transition member 11 that the bottom of square wave guide 9 is 35.4mm by height transits to radius and is
16.21mm bottom circular waveguide 4.Top circular waveguide 3, bottom circular waveguide 4, center coupling circular waveguide 5 and polarization isolation structure and
Waveguide transition part between them is coaxial (Z axis).
Rectangular waveguide 1 and rectangular waveguide 2 positioned at X-direction, positioned at Y-direction rectangular waveguide 6 and rectangular waveguide 7 with
The 5 90 ° of E faces couplings of heart coupling circular waveguide are intersecting, two rectangular waveguide ports of rectangular waveguide 1 and the formation of rectangular waveguide 2, its section
Size is 22.86mm × 10.16mm, and rectangular waveguide 6 and rectangular waveguide 7 are short-circuit rectangular waveguide, its size be 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
Level rectangular waveguide transition is coupled with center Coupled Circle waveguide E face, the two-stage square wave being connected with rectangular waveguide 1 and rectangular waveguide 2
Jig cun is respectively：33mm × 10.16mm × 5.12mm and 37.375mm × 10.16mm × 18mm.
Fig. 4 gives the corresponding relation between the cut-off frequency of circular waveguide and circular waveguide radius, can be obtained by Fig. 4, to make
The highest pattern that 10GHz is existed below is TE21Pattern, waveguide radius size needs to be less than nose-circle in 18.3mm, the present embodiment
The radius of the port of waveguide 3 and the port of bottom circular waveguide 4 is respectively that 15.5mm and 16.21mm is satisfied by requirement.
In 9.56-9.80GHz frequency ranges：
It is defined as the associative mode of this five-port junction structure：Pattern 1:1,2:1 represents rectangular waveguide 1 and rectangular waveguide 2
In TE10Pattern；Pattern 3 (4):1,3 (4):2 represent in top circular waveguide 3 and bottom circular waveguide 4 in the x-direction and in the y-direction pole
The TE of change11Pattern；Pattern 3 (4):3 represent the TM in top circular waveguide 3 and bottom circular waveguide 401Pattern；Pattern 3 (4):4,3
(4):5 represent the TE of the polarization degeneracy in the port of top circular waveguide 3 and bottom circular waveguide 421Pattern.
For reception pattern, when the port of top circular waveguide 3 receives the TE polarized in X direction11Pattern, top circular waveguide end
The reflection S (3 of mouth:1,3:1) it is less than -20dB, the coupling S (3 of the port of the port of top circular waveguide 3 to bottom circular waveguide 4:Isosorbide-5-Nitrae:1)
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 the TE polarized along Y-direction is injected in the port of bottom circular waveguide 411Pattern, the end of bottom circular waveguide 4
The reflection S (4 of mouth:2,4:2) it is less than -20dB, the isolation between the port of bottom circular waveguide 4 and two rectangular waveguide ports 1,2 is S
(4:2,1:1) insertion loss being less than between -50dB, the port of the port of bottom circular waveguide 4 to top circular waveguide 3 is less than 0.1dB.This says
The energy injected under bright emission mode in the port of bottom circular waveguide 4 is all introduced into the port of top circular waveguide 3 and suffered.Emission mode
Under field distribution as shown in fig. 6, S parameter distribution as shown in figure 9, in polarization isolation structure microwave energy all by when section it is electric
Shown in field distribution such as Fig. 5 (b).In the case of emission mode, the TE that the injection of the port of bottom circular waveguide 4 polarizes along Y-direction11Pattern, hair
Penetrate and be less than 1400V/m with reception device maximum field strength, when under work and high vacuum state, vacuum is less than 10-2Pa, according to vacuum
Lower 80MV/m breakdown threshold is calculated, and the structure power capacity is not less than 3GW.
Pass through technical solution of the present invention, it is possible to achieve GW grades of High-Power Microwave transmittings and the key technology received.Transmitting terminal
Mouth and emphasis and difficult point that the high degree of isolation and the high power capacity of the structure between receiving port are designs.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the thinking and principle of the present invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
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), multistage circular waveguide (8), center coupling circular waveguide (5), square wave guide (9), the waveguide transition part (11) connect
And bottom circular waveguide (4), the diameter of circular waveguides at different levels increases successively from top to bottom in the multistage circular waveguide (8), described
The diameter of bottom circular waveguide (4) is less than the diameter that center couples circular waveguide (5)；
In the square wave guide (9) equidistantly many metal columns (10) arranged in X direction are provided with same plane；
Also include coupling four rectangular waveguides that (5) 90 ° of E faces couplings of circular waveguide are intersected with center, two of which is in X direction
X-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
Waveguide, two X-direction rectangular waveguides form two rectangular waveguide ports after step transition, are received for connecting HIGH-POWERED MICROWAVES
Machine, bottom circular waveguide (4) connection high-power microwave source, 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
Leading the incline of (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：It is described
Multistage circular waveguide (8) is Pyatyi circular waveguide, and the junction of the circular waveguides at different levels in Pyatyi circular waveguide sets chamfering.
4. a kind of high power capacity Microwave emission according to claim 3 and reception device, it is characterised in that：Waveguide transition
Part (11) is linear transitions part.
5. a kind of high power capacity Microwave emission according to claim 4 and reception device, it is characterised in that：The metal
Post (10) is 7, and the section of metal column is rectangle, square wave guide (9) and 7 metal column composition polarization isolation structures.
6. a kind of high power capacity Microwave emission according to claim 5 and reception device, it is characterised in that：Nose-circle ripple
The radius for leading (3) is 15.5mm, in Pyatyi circular waveguide the radius of circular waveguides 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 coupling circular waveguide (5) radius be 29.8mm, be highly 10.16mm, square wave guide (9) size be 38mm ×
38mm × 18.35mm, waveguide transition part (11) length is 35.4mm, and the radius of bottom 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 X sides
It is 22.86mm × 10.16mm to the sectional dimension of rectangular waveguide (1,2), the size of two y directions rectangular waveguides is 29mm
×10.16mm×20mm。
8. a kind of high power capacity Microwave emission and method of reseptance, it is characterised in that：Including emission mode and reception pattern, bottom
The emission port of circular waveguide connects GW grades of high-power microwave sources, and the receiving port positioned at two rectangular waveguides of X-direction connects thunder
Up to receiver, the transmit-receive sharing port connection high-power microwave antenna of top circular waveguide；
Emission mode：The TE polarized along Y-direction that high-power microwave source is produced11Pattern is by GW grades of High-Power Microwaves by bottom
Circular waveguide emission port, polarization isolation structure, center coupling circular waveguide, top circular waveguide, circular polarizer formation right-handed circular polarization
Ripple and then directed radiation is realized into antenna；
When reception pattern works, target reflection echo formation left-hand circular polarization ripple enters circular polarizer, the shape after circular polarizer
The TE polarized into X11Pattern, the TE polarized in X direction11Pattern receives and dispatches common port by top circular waveguide, into center coupling
Circular waveguide, the TE polarized in X direction11Pattern is polarized isolation structure total reflection, the TE finally polarized in X direction11Pattern enters
X-direction rectangular waveguide receiving port is simultaneously transmitted to radar receiver.
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| US20230335878A1 (en) * | 2022-04-13 | 2023-10-19 | TibaRay Inc. | Compact High Power Radio Frequency Polarizer Group |
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| CN104617357A (en) * | 2015-01-05 | 2015-05-13 | 西北核技术研究所 | High-power microwave output window and manufacturing method thereof |
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