但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
提出一种求解基于细线结构的时域电场积分方程(TDEFIE)的方法-有限差分方法。
A finite difference method was derived for the analysis of time domain electric field integral equation (TDEFIE) of thin wire structures.
差分型直接积分法求解动力方程，其计算假设条件给系统增加了一个“计算扰动”效应。
The difference type direction integration is used for solving dynamic - equation, its calculation assumption causes a "calculation perturbation" effects to the system.
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