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同轴虚阴极振荡器微波输出模式
引用本文:罗雄,廖成,孟凡宝.同轴虚阴极振荡器微波输出模式[J].西南交通大学学报,2007,42(2):186-189.
作者姓名:罗雄  廖成  孟凡宝
作者单位:1. 西南交通大学电磁场与微波技术研究所,四川,成都,610031;中国工程物理研究院应用电子学研究所,四川,绵阳,621900
2. 西南交通大学电磁场与微波技术研究所,四川,成都,610031
3. 中国工程物理研究院应用电子学研究所,四川,绵阳,621900
基金项目:国家863计划项目资助课题
摘    要:为深入理解同轴虚阴极振荡器的工作原理,结合同轴虚阴极振荡器的实验结果,通过理论和数值模拟分析了同轴虚阴极振荡器微波输出模式.分析结果与在远场条件下的通过实验获得的天线辐射方向图对比.研究结果表明,同轴虚阴极振荡器输出微波由TM01,模式和TE11模式共同组成,其中TM01模式所占比例约为66%~75%,TE11模式所占比例约为25%~34%.

关 键 词:高功率微波  同轴虚阴极振荡器  远场方向图  微波输出模式
文章编号:0258-2724(2007)02-0186-04
修稿时间:2005-11-28

Microwave Output Patterns of Coaxial Vircators
LUO Xiong,LIAO Cheng,MENG Fanbao.Microwave Output Patterns of Coaxial Vircators[J].Journal of Southwest Jiaotong University,2007,42(2):186-189.
Authors:LUO Xiong  LIAO Cheng  MENG Fanbao
Institution:1. Institute of Electromagnetic Fields and Microwave Tech. , Southwest Jiaotong University, Chengdu 610031, China; 2. Institute of Applied Electronics, CAEP, Mianyang 621900, China
Abstract:To thoroughly understand the principle of the coaxial virtual cathode oscillator, the microwave output patterns of coaxial vircators were studied by theoretical analysis and numerical simulation. The analysis results were compared with the directional radiation diagram obtained from experiments on a far field antenna. The study shows that the microwave output patterns of a coaxial vircator are mainly composed of TM01 and TE11, and the proportion of TM01 pattern is about 66% - 75% while the proportion of TE11 pattern is abut 25% - 34%.
Keywords:high power microwave  coaxial vircator  far field directional diagram  microwave output pattern
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