基于FDTD的一维麦克斯韦方程求解。 可以根据自身需要设计激励位置，激励信号，传播空间电学参数，方便新手学习FDTD。(The solution of one dimensional Maxwell equation based on FDTD. It can be designed to motivate the position according to its own needs, to stimulate the signal, to transmit the space electri