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。
The finite-difference frequency-domain method with multifrontal algorithm 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。
The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.
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。
A finite difference frequency domain method (FDFD) is presented to analyze the propagation characteristics of waveguides with imperfect conductor and rough surface.
接着设计了两种新型的表面等离子体光波导结构，采用频域有限差分法对这两种波导的传输特性进行了分析和讨论。
Then we propose two kinds of new SPWs structures, the propagation properties of the waveguides have been studied by using the full vector FDFD.
在频域有限差分法使用上，我们用边界条件去处理金属和介质之间的边界，故能精确模拟出金属表面电浆波在近场的分布情形。
We match the boundary conditions to take care of the interface between the metal and the dielectric in the FDFD method. Thus the SP wave distribution on the metal surface can be accurately simulated.
在频域有限差分法使用上，我们用边界条件去处理金属和介质之间的边界，故能精确模拟出金属表面电浆波在近场的分布情形。
We match the boundary conditions to take care of the interface between the metal and the dielectric in the FDFD method. Thus the SP wave distribution on the metal surface can be accurately simulated.
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