APPLICATION OF THE FAST RECURSIVE ALGORITHM TO A LARGE INHOMOGENEOUS SCATTERER FOR TM POLARIZATION

被引：11
|
作者：
WANG, YM
CHEW, WC
机构：
[1] Electromagnetics Laboratory, Department of Electrical Engineering, University of Illinois, Urbana, Illinois
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1991年 / 4卷 / 04期
关键词：
RECURSIVE ALGORITHM; INHOMOGENEOUS SCATTERER; NUMERICAL METHODS;
D O I：
10.1002/mop.4650040407
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A fast recursive algorithm has been developed to solve for the scattering solution of a large 2-D inhomogeneous body for TM waves. The inhomogeneous body is first divided into N subscattereres. The algorithm uses an aggregate TBAR matrix and translation formulas to solve for the solution of n + 1 subscatterers from the solution for n subscatterers. The computational complexity of the algorithm is of O(NMP2), where NM is the number of unknowns and P is the number of harmonies required in the translation formulas. The memory requirement is proportional to the number of unknowns. The algorithm has been used to solve for the scattering solution of a 10-lambda-diameter two-dimensional scatter with about 12,000 unknowns, taking about 30 s on a CRAY-2 supercomputer.
引用
收藏
页码：155 / 157
页数：3
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