CN101587977A - The slab guide sum-difference network - Google Patents
The slab guide sum-difference network Download PDFInfo
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- CN101587977A CN101587977A CNA2009100824886A CN200910082488A CN101587977A CN 101587977 A CN101587977 A CN 101587977A CN A2009100824886 A CNA2009100824886 A CN A2009100824886A CN 200910082488 A CN200910082488 A CN 200910082488A CN 101587977 A CN101587977 A CN 101587977A
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Abstract
The invention discloses a kind of waveguide type sum-difference network of plane, it relates to the antenna feeding network device of pulse system radar system.This slab guide sum-difference network forms gun parallax signal, trim signal and and signal with four tunnel received signals of monopulse antenna.It is made up of three high frequency waveguide adder-subtracters and one and road device.The present invention has low section, compact conformation, the good characteristics of electrical property, is specially adapted to the design and the manufacturing of monopulse radar scanner sum-difference network efficiently.
Description
Technical field
The present invention relates to a kind of high frequency waveguide sum-difference network, be particularly suitable for the sum-difference network of the planar structure of pulse system antenna, belong to microwave antenna feed system technical field.
Background technology
Present stage, the antenna receiving unit of pulse system is widely used in various radars, the satellite communication system.This antenna array is divided into four limits mutually: 1,2,3,4.As shown in Figure 1, for monopulse antenna in the prior art and sum-difference network schematic diagram, (1+2+3+4) be ∑ and signal, (1+2)-(3+4) be Δ α difference signal, (1+3)-(2+4) be Δ β difference signal, this three road signal can instruct antenna hi-Fix tracking target.With the extraction of difference signal, microwave device commonly used is double T (also being magic T), and the phase in-phase signal enters from left and right sides two-port simultaneously, forms and signal at the H arm, forms difference signal at the E arm.Traditional double T is a vertical structure, and when there was requirement in system to antenna volume and size, this structure was often no longer suitable.Particularly, to require antenna receiving unit be the slab construction of low section to environment for use more and more, if also planar structure of the sum-difference network of the plate aerial of corresponding pulse system.In the sum-difference network of planar structure, the sum-difference network of little band forms can not satisfy high-power requirement, and for large-scale array, the loss of little band forms becomes its irremediable defective greatly.
Because the defective of above-mentioned prior art, the present inventor develops a kind of complanation, high power, the wide slab guide sum-difference network of bandwidth finally through continuous experimental study.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, complanation, bandwidth is wide, anti-high power, the slab guide sum-difference network that efficient is high.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of slab guide sum-difference network, whole sum-difference network belongs to planar waveguiding structure, comprising: first adder-subtracter 1, second adder-subtracter 2, the 3rd adder-subtracter 3 and one and road device 4;
Described first adder-subtracter 1 comprises the first adder-subtracter first input end 10, first adder-subtracter, second input 11, the first adder-subtracter difference port one 2, first adder-subtracter and port one 3, and above-mentioned two inputs connect the first via received signal 8 and the second tunnel received signal 9 respectively;
Described second adder-subtracter 2 comprises the second adder-subtracter first input end 20, second adder-subtracter, second input 21, the second adder-subtracter difference port 22, second adder-subtracter and port 23, and above-mentioned two inputs connect Third Road received signal 80 and the four tunnel received signal 90 respectively;
Described the 3rd adder-subtracter 3 comprises the 3rd adder-subtracter input 30, the 3rd adder-subtracter and output 31, the 3rd adder-subtracter difference output 32, described the 3rd adder-subtracter input 30 links to each other with port 23 with second adder-subtracter with port one 3 with first adder-subtracter, described the 3rd adder-subtracter and output 31 connect and signalling channel 101, and described the 3rd adder-subtracter difference output 32 connects the second difference signal path 10 3;
Described and road device 4 comprise with road device input 40 and and road device output 41, describedly link to each other with the second adder-subtracter difference port 22 with the first adder-subtracter difference port one 2 with road device input 40, describedly connect the first difference signal path 10 2 with road device output 41.
Described waveguide sum-difference network, described first adder-subtracter 1 is made up of three decibels waveguide crack electric bridge 5, the first ± 90 ° of phase shifter 6 and the second ± 90 ° of phase shifter 7;
Described three decibels waveguide crack electric bridge 5 comprises first input end 50, second input 51, first output 52, second output 53, described first input end mouth 50 is the first adder-subtracter first input end 10 and links to each other with first via received signal 8, and described first output 52 is the first adder-subtracter difference port one 2 and links to each other with the first input end 40 of road device 4;
Described the first ± 90 ° of phase shifter 6 comprises input 60 and output 61, and described input 60 links to each other with the second tunnel received signal 9, and described output 61 links to each other with second input 51 of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter 7 comprises input 70 and output 71, described input 70 links to each other with second output 53 of three decibels waveguide crack electric bridge, and described output 71 is first adder-subtracter and links to each other with the first input end 30 of the 3rd adder-subtracter 3 with port one 3.
Described waveguide sum-difference network, described second adder-subtracter 2 is made up of three decibels waveguide crack electric bridge 25, the first ± 90 ° of phase shifter 26 and the second ± 90 ° of phase shifter 27;
Described three decibels waveguide crack electric bridge 25 comprises first input end 250, second input 251, first output 252, second output 253, described first input end mouth 250 is the first adder-subtracter first input end 20, link to each other with Third Road received signal 80, described first output 252 is the second adder-subtracter difference port 22, and links to each other with second input 41 of road device 4;
Described the first ± 90 ° of phase shifter 26 comprises input 260 and output 261, and described input 260 raindrop two tunnel received signals 90 link to each other, and described output 261 links to each other with second input 251 of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter 27 comprises input 270 and output 271, described input 270 links to each other with second output 253 of three decibels waveguide crack electric bridge, described output 271 is second adder-subtracter and port 23, links to each other with second input 31 of the 3rd adder-subtracter 3.
Described waveguide sum-difference network, described the 3rd adder-subtracter 3 is made up of three decibels waveguide crack electric bridge 35, the first ± 90 ° of phase shifter 36 and the second ± 90 ° of phase shifter 37;
Described three decibels waveguide crack electric bridge 35 comprises first input end 350, second input 351, first output 352, second output 353, described first input end mouth 350 is the first adder-subtracter first input end 30, link to each other with output 13 with first adder-subtracter, described first output 352 is the 3rd adder-subtracter difference port 32, just the second difference signal path 10 3 of sum-difference network;
Described the first ± 90 ° of phase shifter 36 comprises input 360 and output 361, and described input 360 links to each other with output 23 with second adder-subtracter, and described output 361 links to each other with second input 351 of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter 37 comprises input 370 and output 371, described input 370 links to each other with second output 353 of three decibels waveguide crack electric bridge, described output 371 is the 3rd adder-subtracter and port 33, just sum-difference network with signalling channel 101.
Use slab guide sum-difference network of the present invention to have compact conformation, complanation, bandwidth is wide, anti-high power, characteristics such as efficient height.
Description of drawings
Fig. 1 is the schematic diagram of monopulse antenna and sum-difference network in the prior art;
Fig. 2 is the structural representation of midplane waveguide sum-difference network of the present invention;
Fig. 3 is the structural representation of first adder-subtracter among the present invention;
Fig. 4 is the structural representation of second adder-subtracter among the present invention;
Fig. 5 is the structural representation of the 3rd adder-subtracter among the present invention;
Fig. 6 is the operation principle schematic diagram of first adder-subtracter among the present invention;
Fig. 7 is among the present invention and the structural representation of road device;
Embodiment
Below by specific embodiment in addition accompanying drawing describe the present invention.
Explanation is around here, and in order to overcome the deficiency in the background technology, the slab guide sum-difference network that receives each road signal comprises first adder-subtracter 1, the second adder-subtracter, 2, the three adder-subtracters 3 and and road device 4.
As shown in Figure 2, a kind of slab guide sum-difference network, whole sum-difference network belongs to planar waveguiding structure, comprising: first adder-subtracter 1, second adder-subtracter 2, the 3rd adder-subtracter 3 and one and road device 4; Described first adder-subtracter 1 comprises the first adder-subtracter first input end 10, first adder-subtracter, second input 11, the first adder-subtracter difference port one 2, first adder-subtracter and port one 3, and above-mentioned two inputs connect the first via received signal 8 and the second tunnel received signal 9 respectively; Described second adder-subtracter 2 comprises the second adder-subtracter first input end 20, second adder-subtracter, second input 21, the second adder-subtracter difference port 22, second adder-subtracter and port 23, and above-mentioned two inputs connect Third Road received signal 80 and the four tunnel received signal 90 respectively; Described the 3rd adder-subtracter 3 comprises the 3rd adder-subtracter input 30, the 3rd adder-subtracter and output 31, the 3rd adder-subtracter difference output 32, described the 3rd adder-subtracter input 30 links to each other with port 23 with second adder-subtracter with port one 3 with first adder-subtracter, described the 3rd adder-subtracter and output 31 connect and signalling channel 101, and described the 3rd adder-subtracter difference output 32 connects the second difference signal path 10 3; Described and road device 4 comprise with road device input 40 and and road device output 41, describedly link to each other with the second adder-subtracter difference port 22 with the first adder-subtracter difference port one 2 with road device input 40, describedly connect the first difference signal path 10 2 with road device output 41.
The structure chart of concrete adder-subtracter, as shown in Figure 3, described first adder-subtracter 1 is made up of three decibels waveguide crack electric bridge 5, the first ± 90 ° of phase shifter 6 and the second ± 90 ° of phase shifter 7; Described three decibels waveguide crack electric bridge 5 comprises first input end 50, second input 51, first output 52, second output 53, described first input end mouth 50 is the first adder-subtracter first input end 10 and links to each other with first via received signal 8, and described first output 52 is the first adder-subtracter difference port one 2 and links to each other with the first input end 40 of road device 4; Described the first ± 90 ° of phase shifter 6 comprises input 60 and output 61, and described input 60 links to each other with the second tunnel received signal 9, and described output 61 links to each other with second input 51 of three decibels waveguide crack electric bridge; Described the second ± 90 ° of phase shifter 7 comprises input 70 and output 71, described input 70 links to each other with second output 53 of three decibels waveguide crack electric bridge, and described output 71 is first adder-subtracter and links to each other with the first input end 30 of the 3rd adder-subtracter 3 with port one 3.
As shown in Figure 4, described second adder-subtracter 2 is made up of three decibels waveguide crack electric bridge 25, the first ± 90 ° of phase shifter 26 and the second ± 90 ° of phase shifter 27; Described three decibels waveguide crack electric bridge 25 comprises first input end 250, second input 251, first output 252, second output 253, described first input end mouth 250 is the first adder-subtracter first input end 20, link to each other with Third Road received signal 80, described first output 252 is the second adder-subtracter difference port 22, and links to each other with second input 41 of road device 4; Described the first ± 90 ° of phase shifter 26 comprises input 260 and output 261, and described input 260 raindrop two tunnel received signals 90 link to each other, and described output 261 links to each other with second input 251 of three decibels waveguide crack electric bridge; Described the second ± 90 ° of phase shifter 27 comprises input 270 and output 271, described input 270 links to each other with second output 253 of three decibels waveguide crack electric bridge, described output 271 is second adder-subtracter and port 23, links to each other with second input 31 of the 3rd adder-subtracter 3.
As shown in Figure 5, described the 3rd adder-subtracter 3 is made up of three decibels waveguide crack electric bridge 35, the first ± 90 ° of phase shifter 36 and the second ± 90 ° of phase shifter 37; Described three decibels waveguide crack electric bridge 35 comprises first input end 350, second input 351, first output 352, second output 353, described first input end mouth 350 is the first adder-subtracter first input end 30, link to each other with output 13 with first adder-subtracter, described first output 352 is the 3rd adder-subtracter difference port 32, just the second difference signal path 10 3 of sum-difference network; Described the first ± 90 ° of phase shifter 36 comprises input 360 and output 361, and described input 360 links to each other with output 23 with second adder-subtracter, and described output 361 links to each other with second input 351 of three decibels waveguide crack electric bridge; Described the second ± 90 ° of phase shifter 37 comprises input 370 and output 371, described input 370 links to each other with second output 353 of three decibels waveguide crack electric bridge, described output 371 is the 3rd adder-subtracter and port 33, just sum-difference network with signalling channel 101.
Zu He adder-subtracter like this, the phase shift degree of the second ± 90 ° of phase shifter can differ flexible selection phase shift+90 ° or-90 ° according to two outputs of the phase shift degree of the first ± 90 ° of phase shifter and three decibels waveguide crack electric bridge.And the first ± 90 ° of phase shifter and the second ± 90 ° of phase shifter can be selected to place in the waveguide arm of three decibels waveguide crack electric bridge, make structure compact more.
As shown in Figure 6, be the operation principle schematic diagram of first adder-subtracter among the present invention, the first input signal S1 enters the first input end 10 of first adder-subtracter 1 from first via received signal 8, enters three decibels waveguide crack electric bridge 5; The second input signal S2 enters second input 11 of first adder-subtracter 1 from the second tunnel received signal 9, enter three decibels waveguide crack electric bridge 5 by the first ± 90 ° of phase shifter, 6 signal j*S2, two paths of signals is by the processing of three decibels waveguide crack electric bridge 5, the difference S1-S2 of two signals is from 2 outputs of difference port one, two signal sum j* (S1+S2) export to the second ± 90 ° of phase shifter 7, obtain after the processing through the second ± 90 ° of phase shifter 7 and signal S1+S2, this signal is from exporting with port one 3.
More than to one embodiment of the present of invention be elaborated but described content only for preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should belong within the patent covering scope of the present invention.
Claims (4)
1, a kind of slab guide sum-difference network, it is characterized in that: whole sum-difference network belongs to planar waveguiding structure, comprising: first adder-subtracter (1), second adder-subtracter (2), the 3rd adder-subtracter (3) and one and road device (4);
Described first adder-subtracter (1) comprises the first adder-subtracter first input end (10), first adder-subtracter, second input (11), the first adder-subtracter difference port (12), first adder-subtracter and port (13), and above-mentioned two inputs connect first via received signal (8) and the second tunnel received signal (9) respectively;
Described second adder-subtracter (2) comprises the second adder-subtracter first input end (20), second adder-subtracter, second input (21), the second adder-subtracter difference port (22), second adder-subtracter and port (23), and above-mentioned two inputs connect Third Road received signal (80) and the four tunnel received signal (90) respectively;
Described the 3rd adder-subtracter (3) comprises the 3rd adder-subtracter input (30), the 3rd adder-subtracter and output (31), the 3rd adder-subtracter difference output (32), described the 3rd adder-subtracter input (30) links to each other with port (23) with second adder-subtracter with port (13) with first adder-subtracter, described the 3rd adder-subtracter and output (31) connect and signalling channel (101), and described the 3rd adder-subtracter difference output (32) connects the second difference signal passage (103);
Described and road device (4) comprise with road device input (40) and and road device output (41), describedly link to each other with the second adder-subtracter difference port (22) with the first adder-subtracter difference port (12) with road device input (40), described and road device output (41) connects the first difference signal passage (102).
2, waveguide sum-difference network according to claim 1 is characterized in that:
Described first adder-subtracter (1) is made up of three decibels waveguide crack electric bridge (5), the first ± 90 ° of phase shifter (6) and the second ± 90 ° of phase shifter (7);
Described three decibels waveguide crack electric bridge (5) comprises first input end (50), second input (51), first output (52), second output (53), described first input end mouth (50) is the first adder-subtracter first input end (10) and links to each other with first via received signal (8), and described first output (52) is the first adder-subtracter difference port (12) and links to each other with the first input end (40) of road device (4);
Described the first ± 90 ° of phase shifter (6) comprises input (60) and output (61), and described input (60) links to each other with the second tunnel received signal (9), and described output (61) links to each other with second input (51) of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter (7) comprises input (70) and output (71), described input (70) links to each other with second output (53) of three decibels waveguide crack electric bridge, and described output (71) is first adder-subtracter and links to each other with the first input end (30) of the 3rd adder-subtracter (3) with port (13).
3, waveguide sum-difference network according to claim 1 is characterized in that: described second adder-subtracter (2) is made up of three decibels waveguide crack electric bridge (25), the first ± 90 ° of phase shifter (26) and the second ± 90 ° of phase shifter (27);
Described three decibels waveguide crack electric bridge (25) comprises first input end (250), second input (251), first output (252), second output (253), described first input end mouth (250) is the first adder-subtracter first input end (20), link to each other with Third Road received signal (80), described first output (252) is the second adder-subtracter difference port (22), and links to each other with second input (41) of road device (4);
Described the first ± 90 ° of phase shifter (26) comprises input (260) and output (261), described input (260) links to each other with the second tunnel received signal (90), and described output (261) links to each other with second input (251) of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter (27) comprises input (270) and output (271), described input (270) links to each other with second output (253) of three decibels waveguide crack electric bridge, described output (271) is second adder-subtracter and port (23), links to each other with second input (31) of the 3rd adder-subtracter (3).
4, waveguide sum-difference network according to claim 1 is characterized in that: described the 3rd adder-subtracter (3) is made up of three decibels waveguide crack electric bridge (35), the first ± 90 ° of phase shifter (36) and the second ± 90 ° of phase shifter (37);
Described three decibels waveguide crack electric bridge (35) comprises first input end (350), second input (351), first output (352), second output (353), described first input end mouth (350) is the first adder-subtracter first input end (30), link to each other with output (13) with first adder-subtracter, described first output (352) is the 3rd adder-subtracter difference port (32), just the second difference signal passage (103) of sum-difference network;
Described the first ± 90 ° of phase shifter (36) comprises input (360) and output (361), described input (360) links to each other with output (23) with second adder-subtracter, and described output (361) links to each other with second input (351) of three decibels waveguide crack electric bridge;
Described the second ± 90 ° of phase shifter (37) comprises input (370) and output (371), described input (370) links to each other with second output (353) of three decibels waveguide crack electric bridge, described output (371) is the 3rd adder-subtracter and port (33), just sum-difference network and signalling channel (101).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101895262A (en) * | 2010-07-16 | 2010-11-24 | 中国兵器工业第二○六研究所 | Millimeter waveband signal power amplification and synthesis method |
| CN104900971A (en) * | 2015-06-17 | 2015-09-09 | 中国电子科技集团公司第二十九研究所 | Waveguide comparator |
| CN105762473A (en) * | 2016-01-28 | 2016-07-13 | 中国电子科技集团公司第十研究所 | Millimeter wave two-dimensional sum-difference network |
| CN107959479A (en) * | 2017-10-12 | 2018-04-24 | 北京无线电计量测试研究所 | A kind of microwave planar 180 degree hybrid network |
| CN108872927A (en) * | 2018-05-09 | 2018-11-23 | 中国船舶重工集团公司第七二三研究所 | A kind of microwave and millimeter wave broadband sum-difference network and its construction method |
| CN109444823A (en) * | 2018-10-17 | 2019-03-08 | 成都瑞迪威科技有限公司 | A kind of highly integrated active sum-difference network of phased array |
| CN114865325A (en) * | 2022-05-19 | 2022-08-05 | 东南大学 | Millimeter wave terahertz antenna with separated receiving and transmitting |
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- 2009-04-21 CN CNA2009100824886A patent/CN101587977A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895262A (en) * | 2010-07-16 | 2010-11-24 | 中国兵器工业第二○六研究所 | Millimeter waveband signal power amplification and synthesis method |
| CN101895262B (en) * | 2010-07-16 | 2013-06-05 | 中国兵器工业第二〇六研究所 | Millimeter waveband signal power amplification and synthesis method |
| CN104900971A (en) * | 2015-06-17 | 2015-09-09 | 中国电子科技集团公司第二十九研究所 | Waveguide comparator |
| CN105762473A (en) * | 2016-01-28 | 2016-07-13 | 中国电子科技集团公司第十研究所 | Millimeter wave two-dimensional sum-difference network |
| CN105762473B (en) * | 2016-01-28 | 2018-10-23 | 中国电子科技集团公司第十研究所 | Millimeter wave two dimension sum-difference network |
| CN107959479A (en) * | 2017-10-12 | 2018-04-24 | 北京无线电计量测试研究所 | A kind of microwave planar 180 degree hybrid network |
| CN108872927A (en) * | 2018-05-09 | 2018-11-23 | 中国船舶重工集团公司第七二三研究所 | A kind of microwave and millimeter wave broadband sum-difference network and its construction method |
| CN109444823A (en) * | 2018-10-17 | 2019-03-08 | 成都瑞迪威科技有限公司 | A kind of highly integrated active sum-difference network of phased array |
| CN109444823B (en) * | 2018-10-17 | 2023-08-29 | 成都瑞迪威科技有限公司 | Highly integrated active sum and difference network for phased array |
| CN114865325A (en) * | 2022-05-19 | 2022-08-05 | 东南大学 | Millimeter wave terahertz antenna with separated receiving and transmitting |
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Application publication date: 20091125 |