1D有限差分波动方程模拟，输输出结果为时间，位移可直接使用。 -1D finite difference wave equation modeling, input output time, the displacement can be used directly.

一维波动方程反演MATLAB程序，采用的梯度法，声波方程，测试可用-1D waveform inversion by gradient method based on acoustic wave equation