fdfd

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。

Finite-Difference Time-Domain ( FDTD ) method and Finite-Difference Frequency-Domain ( FDFD ) method are very effective when applied to eigenvalue problems of transmission systems .

时域有限差分（FDTD）法和频域有限差分（FDFD）法用于处理传输系统的本征值问题非常有效。

Then through the DDM , the method of lines ( MoL ) combined with the finite-difference frequency-domain ( FDFD ) method is used for the parameter extraction of multilayered multiconductor interconnections .

然后利用区域分解法平台，将直线法和有限差分结合起来，用于提取多层介质中具有任意截面形状多导体互连结构的电磁参数。

In this paper the Domain Decomposition Method ( DDM ) combined with the Finite Difference Frequency Domain ( FDFD ) is presented to analyze a leaky wave antenna based on image Nonradiative Dielectric ( NRD ) waveguide .

提出了利用区域分解结合频域有限差分法，分析基于NRD波导结构的漏波天线。

The negative dispersion properties were analyzed using the full vector finite-difference frequency domain method ( FDFD ) . And the influence of the structure parameters ( the air-hole pitch and air-hole diameter ) on the negative dispersion was discussed in detail .

采用全矢量频域有限差分方法（FDFD），分析了这三种光纤的负色散特性，并详细讨论了它们的结构参量对负色散特性的影响规律。