应用空域分解法研究复杂物体的散射特性

Investigation of the Scattering Characteristic of Complex Objects Using Spatial Decomposition Method

本文给出了三种空域分解法迭代格式.在入射波非对称而结构对称时.给出了一种处理方法.从而减少计算量和存储量.以园柱体和平板复合体为目标,对TM波正入射时三种迭代格式下的结果及存储量计算量作了比较,然后分别计算了TM波和TE波入射时的散射待性.对入射方向和耦合的影响进行了讨论.

Three iterative schemes are introduced in the paper. In the case of symmetrical con-figuration and asymmetrical incident wave, a processing technique is also presented to reduce the storage quartity and the CPU time. These techniques are applied to the case of a complex object furmed by cylinder and plates with the normal incident of TM wave, the numerical results,storage quantity and CPU for each scheme are compared. the scattering characteristics for TM or IE incident wave are shewn the influence oi the incident angle and mutual coupling is also discussed.