交错网格声波方程正演模拟，PML吸收边界，比较适合刚刚接触的学者。交错网格有限差分地震波场计算，二维的声波正演，利用空间10阶，时间2阶。-The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme

基于声波方程有限差分数值模拟，这是中国海洋大学场论1课程的大作业。-Finite difference based on acoustic wave equation, which is the China Ocean University Field Theory 1 course a big operation.