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电子学报  2015 

基于稳定的时域积分方程方法对多天线辐射问题和互耦问题的研究

DOI: 10.3969/j.issn.0372-2112.2015.03.032, PP. 620-624

Keywords: 时间步进算法(MOT),类椭球波函数(APSWF),多天线

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Abstract:

为有效地改善时间步进算法(MOT)的后时稳定性,引入类椭球波函数(APSWF)做为该算法的瞬态基函数.然而,基于此类瞬态基函数推导得到的系统具有非因果特性,因而必须使用外推方法以恢复时间步进算法的时间步进特性.采用所提出的方法对多天线结构进行数值仿真,获得其瞬态电流响应、回波损耗、耦合系数以及方向图等重要参数,实现了对天线辐射问题和互耦问题的分析与研究,同时也验证了本文所提出方法的有效性和精确性.

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