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The Analysis of Three-Dimensional Electromagnetic Scattering Problems by Using the Preconditioned Conjugate-Gradient Technique Together with the Finite-Difference Frequency-Domain
Author(s): 
Pages: 285-288
Year: Issue:  4
Journal: JOURNAL OF HUAIYIN TEACHERS COLLEGE (NATURAL SCIENCE EDITION)

Keyword:  预条件共轭梯度法频域有限差分法电磁散射;
Abstract: 引入预条件共轭梯度法,提出了结合频域有限差分法分析三维电磁散射问题.数值计算过程中利用Mur二阶吸收边界条件和Maxwell方程组积分形式的频域差分离散格式.作为算例,分析了理想导体金属块对平面电磁波的散射,由于使用了预条件共轭梯度法求解差分矩阵方程,从而减少了计算时间.数值结果表明了该方法的有效性.
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