用时域有限差分法模拟电磁波的传播，代码中设置了不同的边界，可以观察到电磁波在不同边界条件下的传播-the method, named FDTD, can be used for simulating the transmission of the electromagnetic wave

这个程序运用时域有限差分法，对非平行传输线单导体进行求解，可以得到末端负载响应。-The program uses the finite-difference time-domain method to solve the single conductor of a non parallel transmission line, and the terminal load response can be obtained.