使用Matlab编制的3D－FDTD程序，程序中使用拉夫等效原理进行时谐场外推．程序中给出了阵子天线的注释代码．-using Matlab based 3D-FDTD procedures, procedures for the use of Lyford equivalence principle for the time-harmonic extrapolations. Procedures given the stream of the Notes code antenna.