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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Electromagnetic Modeling and Design of Dual-Band Septum Polarizers
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Electromagnetic Modeling and Design of Dual-Band Septum Polarizers

机译：双频隔膜偏振器的电磁建模与设计

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摘要

A highly efficient, full-wave electromagnetic model and CAD of septum polarizers terminated with a square or circular output waveguide is presented. The model is based on the mode-matching and generalized S-matrix techniques. The capabilities of the CAD program are demonstrated by the design of dual-band polarizers where the separation between two bands is more than 50%. For a square output polarizer, results are compared and found to be in good agreement with data obtained with the WASP-NET program. A discussion on the inherent limitations of the achievable performance and critical parameters is presented. An influence of higher-order modes propagating in the polarizer output over the high-frequency operation band on the radiation and polarization patterns of a septum polarizer combined with a corrugated conical horn is specially investigated.
机译：提出了一种高效，全波电磁模型和隔片偏振器的CAD，其以方形或圆形输出波导作为终端。该模型基于模式匹配和广义S矩阵技术。 CAD程序的功能通过双波段偏振器的设计得到证明，其中两个波段之间的间隔大于50％。对于方形输出偏振器，将结果进行比较，发现与通过WASP-NET程序获得的数据非常吻合。讨论了可实现的性能和关键参数的固有局限性。特别研究了偏振片输出在高频工作频段上传播的高阶模态对隔膜波纹偏振片与波纹状圆锥形喇叭组合的辐射和偏振方向图的影响。

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