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一种新型的宽频Ka波段波导同轴转换
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摘要
本文介绍了一种新型的宽频Ka波段波导同轴过渡。根据现有的波导同轴转换理论,结合工程经验,利用仿真软件设计和优化,这种Ka波段的波导同轴转换带宽可以达到57%,基本覆盖了该频段波导口径所对应的主模可用频段。同时在结构上做了改进,提高了指标一致性,直馈式的输入输出方式在工程上应用更加方便。
This paper introduces a new structure of broad band coaxial waveguide transition at Ka-band. According to the existing coaxial waveguide transition theory, combined with engineering experience and the using of simulation software design and optimization, this Ka-band coaxial waveguide transition bandwidth can reach 57%, basically covering the band waveguide diameter corresponding to the main mode available band. At the same time, the structure has been improved to improve the consistency of indicators, and the methods of direct feed input – output make it more convenient in engineering applications.
引文
[1]BIALKOWSKI E.Analysis of a Coaxial-to-waveguideadaptor including a discended probe and a tuning post[J].IEEE Trans MTT,1995,43(2):344-349.
    [2]何鑫,焦永昌,唐家明.同轴探针对称激励矩形波导模式谱图研究[J].空间电子技术,2007,(4):63-68.
    [3]TIAN Yu-bo,ZHANG Bing,WANG Xin.Numerical method for solving characteristic parameters of square Coaxial line[C]//2007 IEEE Antennas and Propagation International Symposium.Honolulu,HI,United States:Institute of Electrical and Electronics Engineers Inc,2007:73-76.

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