偏心铁氧体圆柱加载波导Y结环行器的分析
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TN251

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ANALYSIS OF WAVEGUIDE Y-JUNCTION CIRCULATOR WITH OFF-CENTRED CIRCULAR FERRITE POST
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    摘要:

    采用点匹配法结合坐标变换分析了偏心全高铁氧体圆柱加载波导Y结环行器的特性,讨论了铁氧体圆柱相对于结中心的偏移对环行器性能产生的影响.由数值计算结果可见:(1)偏心铁氧体柱加载波导Y结环行器可被用作具有低插入损耗、小驻波和高隔离的高性能Y结隔离器;(2)非对称波导Y结环行器性能的非对称性可以通过偏移铁氧体柱加以校正.

    Abstract:

    The characteristics of a waveguide y-junction circulator with an off-centred circular ferrite post were analyzed by the point-matching method based on coordinate transformation. The influence of the ferrite post displacement from the junction center on the circulator performances was discussed. It can be concluded from the numerical results that: (1) The circulator with an off-centred ferrite post can be used as an excellent y-junction isolator with low insertion loss,low VSWR and high isolation ; (2) The asymmetrical performances of an asymmetrical waveguide y-junction circulator can be corrected by the ferrite post displacement.

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窦文斌,沈涛,孙忠良.偏心铁氧体圆柱加载波导Y结环行器的分析[J].红外与毫米波学报,1995,14(5):]. Dou Wenbin, Shen Tao, Sun Zhongliang. ANALYSIS OF WAVEGUIDE Y-JUNCTION CIRCULATOR WITH OFF-CENTRED CIRCULAR FERRITE POST[J]. J. Infrared Millim. Waves,1995,14(5).]

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