On the basis of the scattering equation, some rules of transferring passive admittance matrix to active admittance matrix are obtained.

从散射方程出发，求得从无源网络导纳矩阵到有源网络导纳矩阵的转换规则。

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To avoid complex computation in Monte Carlo simulation for electron scattering in solid, a new matrix equation to describe the process is presented.

用蒙特卡罗方法模拟固体中电子散射的计算量很大，为此给出一个描述这一过程的矩阵方程。

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First, the problem of scattering by arbitrarily shaped objects is studied by the method of moment (MoM), when a thin wire antenna exists, with the general matrix equation given.

介绍了利用矩量法求解线面复杂结构目标的电磁散射问题，并给出了一般的矩阵方程。

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