一维的声波传播描述程序，对一维情况进行matlab仿真-One-dimensional descr iption of sound wave propagation process, the situation of one-dimensional simulation matlab

计算水声传播的Krakel程序，属于简正波的计算程序，计算低频声波传播时较适合-underwater acoustic propagting computing program, belong to Normal Mode program, nice when low frequency.

二维声波交错网格十阶差分程序，模拟声波传播规律，计算波场振幅-Two-dimensional staggered grid ten bands sound difference program to simulate the propagation of sound waves to calculate the wave field amplitude