Numerical results demonstrate that the computational efficiency of this method is considerably improved compared with the traditional FDFD .
计算结果表明该方法在获取复杂结构的宽频带响应时，能大大地节省计算时间。
Then we propose two kinds of new SPWs structures, the propagation properties of the waveguides have been studied by using the full vector FDFD.
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。
The Domain Decomposition Method(DDM) in conjunction with FDFD and Modes Expansion was used to analyze the discontinuity of the rectangular recangular waveguide.
基于区域分裂法（DDM ）结合频域有限差分（FDFD）和波导模式展开求解矩形波导不连续性问题。
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。
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.
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。
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