描述电磁波（电场或磁场）在自由空间传播的Matlab程序。-Descr iption of electromagnetic waves (electric or magnetic) in free-space propagation of Matlab procedures.

=matlab 仿真电磁波在真空中传播 百分百可以运行，供大家学习参考使用 -= matlab simulation of electromagnetic wave propagation in vacuum can run a hundred percent for everyone to learn reference use