The finite-difference frequency-domain method with multifrontal algorithm is presented for two-dimensional cylinder scattering problems.

引入多波前算法，提出了结合频域有限差分法分析二维柱体的电磁散射问题。

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The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.

本文引入预条件共轭梯度法，提出了结合频域有限差分法结合分析二维柱体的电磁散射问题。

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A finite difference frequency domain method (FDFD) is presented to analyze the propagation characteristics of waveguides with imperfect conductor and rough surface.

提出了一种基于图像处理算法和频域有限差分法相结合研究实际光子晶体光纤的数值分析方法。

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