X频段连续波100 kW吸收式谐波滤波器研制
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摘要
为了抑制深空探测高功率发射机谐波能量对接收机的干扰,提出了一种基于渐变漏壁式波导加载吸收负载结构的超大功率谐波滤波器.分析了该结构滤波器衰减损耗特性,并结合电磁场仿真软件,对滤波器整体结构进行了仿真,依据仿真尺寸对滤波器进行了结构设计和样件加工,经过对样件测试,滤波器通带最大插入损耗小于0.3 dB,二次、三次及四次谐波抑制度分别大于75, 50, 35 dB,测试结果与仿真结果基本一致.对滤波器样件进行了高功率实验,在外加液冷条件下,连续波功率容量可达100 kW以上,成功研制出了一种X频段吸收式超大功率谐波滤波器,并已经应用于某型号大功率地面发射机,指标性能良好.
A gradient leaky-wall waveguide loaded absorbing load filter structure is proposed, which is designed for harmonic suppression in super-high power transmitter of deep-space probe. The attenuation loss characteristics of the filter is analyzed according to the equivalent circuit method, and the massive structure is simulated by the electromagnetic field simulation software. The filter sample which includes one main waveguide, 288 deputy waveguides and 288 absorb loads is processed following the simulating and designing sizes. In order to prevent microwave from leaking and keep good air tightness under the condition of high power, all the components of the filter will be welded together by means of vacuum welding, and then the sample is cleaned ultrasonically. Finally, the filter sample is tested under small signal and large signal separately. According to our test results, the pass band max insertion loss of the filter is 0.3 dB, the min suppression of second harmonic is 75 dB, the min suppression of third harmonic is 50 dB, and the min suppression of fourth harmonic is 35 dB. The measured results show that they are almost the same as the simulation results, and consistent completely with the anticipated. We further conduct the high power experiment on the filter under a large signal of 100 kW, showing that the continuous wave power capacity of the filter can reach up to 100 kW through the power resistance test with the liquid-cooled system. All the test data show that the study and development are very successful. At present, the filer has been applied to a type of ground high power transmitter, and its performances and indicators behave well.
A gradient leaky-wall waveguide loaded absorbing load filter structure is proposed, which is designed for harmonic suppression in super-high power transmitter of deep-space probe. The attenuation loss characteristics of the filter is analyzed according to the equivalent circuit method, and the massive structure is simulated by the electromagnetic field simulation software. The filter sample which includes one main waveguide, 288 deputy waveguides and 288 absorb loads is processed following the simulating and designing sizes. In order to prevent microwave from leaking and keep good air tightness under the condition of high power, all the components of the filter will be welded together by means of vacuum welding, and then the sample is cleaned ultrasonically. Finally, the filter sample is tested under small signal and large signal separately. According to our test results, the pass band max insertion loss of the filter is 0.3 dB, the min suppression of second harmonic is 75 dB, the min suppression of third harmonic is 50 dB, and the min suppression of fourth harmonic is 35 dB. The measured results show that they are almost the same as the simulation results, and consistent completely with the anticipated. We further conduct the high power experiment on the filter under a large signal of 100 kW, showing that the continuous wave power capacity of the filter can reach up to 100 kW through the power resistance test with the liquid-cooled system. All the test data show that the study and development are very successful. At present, the filer has been applied to a type of ground high power transmitter, and its performances and indicators behave well.
引文
[1]Jason C,Crusan D,Craig N B 2017 IEEE Aerospace Conference Big Sky,USA,March 4-11,2017 p1012
[2]Rojina A,John N,Lei C 2017 IEEE Global Communication Conference Singapore,Dec 4-8,2017 p22
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[8]Daniel J H,Behrouz K,John B S 2010 Antennas&Propagation Society International Symposium Toronto,Canada,July 11-17,2010 p578
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[20]Zhang Y J,Wang X L,Li L 2007 Radar Sci.Technol.5394(in Chinese)[张轶江,王小陆,李磊2007雷达科学与技术5 394]
[2]Rojina A,John N,Lei C 2017 IEEE Global Communication Conference Singapore,Dec 4-8,2017 p22
[3]Chai L,Xu X L 2010 Telecommun.Engineer.50 6(in Chinese)[柴霖,许秀玲2010电讯技术50 6]
[4]Dong G L,Li G M,Lei L 2016 China Deep Space Network:System Design and Key Technologies-S/X-band Deep Space TT&C System(Vol.1)(Beijing:Tsinghua University Press)pp211-225(in Chinese)[董光亮,李国民,雷厉等2016中国深空网:系统设计与关键技术-S/X双频段深空测控通信系统(上)(北京:清华大学出版社)第211-225页]
[5]Dainelli V,Serrno F,Tomasi L 2009 International Vacuum Electronics Conference Rome,Italy,April 28-30,2009 p350
[6]Rolf M,Manfred W 2004 IEEE Aerospace Conference Proceedings Big Sky,USA,March 6-13,2004 p1124
[7]David L,Yakov V,Bruce C 2001 IEEE Aerospace Conference Proceedings Big Sky,USA,March 10-17,2001p1526
[8]Daniel J H,Behrouz K,John B S 2010 Antennas&Propagation Society International Symposium Toronto,Canada,July 11-17,2010 p578
[9]Hou M H,Guo Z K 2015 Electron.Sci.Tech.28 116(in Chinese)[侯满宏,郭忠凯2015电子科技28 116]
[10]Guo Z K,Hou M H 2015 Electron.Sci.Tech.28 185(in Chinese)[郭忠凯,侯满宏2015电子科技28 185]
[11]Zhang H W,Liu M,Li X S 2014 J.Aircraft Measur.Control 33 31(in Chinese)[张宏伟,刘敏,李新胜2014飞行器测控学报33 31]
[12]Han L H,Yu H 2016 Fire Control Radar Technology 4556(in Chinese)[韩来辉,余海2016火控雷达技术45 56]
[13]Gan B B,Wu W C 1973 The Structure and Design of Modern Microwave Filter(II)(Beijing:Science and Technology Press)pp312-319(in Chinese)[甘本袯,吴万春1973现代微波滤波器的结构与设计(下册)(北京:科学出版社)第312-319页]
[14]Xu J 2014 Commun.Countermeas.33 61(in Chinese)[徐健2014通信对抗33 61]
[15]Li F J,Du L M 2012 Shipboard Electronic Countermeasure 35 78(in Chinese)[李福剑,杜仑铭2012舰船电子对抗35 78]
[16]Dai X W,Qian J 2017 J.Microwaves 33 54(in Chinese)[戴小伟,钱捷2017微波学报33 54]
[17]Zhao P 2015 M.S.Dissertation(Chengdu:University of Electronic Science and Technology of China(in Chinese)[赵鹏2015硕士学位论文(成都:电子科技大学)]
[18]Guo L Q,Jiao Y C,Tang J M 2004 Chin.J.Sci.Instrum.25 30(in Chinese)[郭利强,焦永昌,唐家明2004仪器仪表学报25 30]
[19]Cristal E G 1963 IEEE Trans.MTT 11 186
[20]Zhang Y J,Wang X L,Li L 2007 Radar Sci.Technol.5394(in Chinese)[张轶江,王小陆,李磊2007雷达科学与技术5 394]