二维声波正演程序！规则网格的时间空间二阶波动方程有限差分正演，matlab编写-Two-dimensional wave medling program! matlab prepared! ! Forward seismic acoustic source

声波方程的正演程序，注释非常清晰，并且可以显示正演波场快照。-Acoustic wave equation forward procedure, comments are very clear, and can display the forward wave field snapshot.