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- 2018
适用于低频问题的多层复源点方法
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Abstract:
该文将多层复源点（MLCSP）方法用于求解理想导体目标的增量电场积分方程（AEFIE）。AEFIE将待求问题的电流和电荷进行分离，使用合适的频率归一化因子来平衡电场积分方程（EFIE）的磁矢量位和电标量位，使之成为解决低频问题的一种有效手段。为了降低AEFIE-矩量法（MoM）的复杂度，使用复源点（CSP）分别展开AEFIE的磁矢量位和电标量位，并构造了用于MLCSP的聚合矩阵以加速其矩矢相乘。数值算例表明，在求解低频电磁散射问题及电路问题时，该方法计算结果准确，其计算量和计算机内存需求可降低至O（N）量级。
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