Multiple expansion for the buried body in the stratified Media attd Boundary Element Method (BEM) are combined to obtain electromagnetic scattering field of buried body in the stratified Media.

本文结合平面边界元法和平面多极子展开法，求解平面分层埋入体的电磁散射。

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Then the derivation of local illumination source is reported, the near-field electromagnetic scattering characteristics of some electrically large structures are calculated and analyzed.

论文在推导出实现局部照射的激励源的基础上，计算并分析一些电大结构的近场局部照射下的电磁散射特性。

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The electromagnetic scattering characteristics of rain media and targets are discussed in the polarization field, with the scattering matrix of rain area and targets are obtained.

在极化域中对雨介质和目标的电磁波散射特性进行了研究。得出了雨区的散射矩阵和目标的散射矩阵。

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