The moment of method (MOM) and finite difference time domain (FDTD) are used to calculate the EM scattering from the 3D complex target.

利用矩量法（MOM）和时域有限差分法（FDTD）对复杂目标模型的电磁散射进行了数值计算和分析。

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The photonic properties of a two-dimensional complex photonic crystal (PC) of square lattice were calculated by finite different time domain (FDTD) method.

用FDTD方法计算了二维正方形复式晶胞光子晶体的光子特性。

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