Numerical examples demonstrate the validation of this algorithm. (4) It is the CFL constraint conditions that influence the efficiency of conventional FDTD.

• 传统的FDTD在计算精细结构的时候的效率不高，针对这个问题，本文系统的研究了ADI-FDTD算法，推导有耗媒质中的ADI-FDTD方程。