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基于模式匹配法圆环FSS单元的快速分析 被引量:3

Rapid Analysis of Annular Shaped FSS Element Based on Mode Matching Method
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摘要 主要研究了用模式匹配法计算有限厚度圆环频率选择表面单元的传输系数,根据Helmholtz方程以及边界条件得到规则扩展域上的一组积分方程,将未知等效流表达为边界上的基函数。根据波导截面上的边界条件得到波导单元内部场和规则扩展域上场的耦合积分表达式,再应用矩量法求解矩阵方程。通过与时域有限差分法(CST仿真软件)计算结果对比验证了此算法的高效性和准确性。 The transmission coefficient of the finite thickness annular shaped frequency selective surfaces elements is considered which used mode matching method.A set of integral equations on the enlarged domain are formulated via helmholtz equations and boundary conditions,and the unknown equivalent currents can be expanded by the basis function on the boundary.Then the coupling integral expressions are gained between the field in the waveguide and the enlarged domain with the boundary conditions on the waveguide section.And then,the Method of Moment is applied.The curves between TFDTD(CST) and this arithmetic are given for a contrast to prove its high efficiency and veracity.
作者 冯晓磊 张强
出处 《现代雷达》 CSCD 北大核心 2010年第11期73-76,共4页 Modern Radar
关键词 模式匹配法 矩量法 传输系数 mode matching method method of moment transmission coefficient
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参考文献6

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