反演声波阻尼系数的另一种方法

Another method for recovering the acoustic wave impedance coefficient

目的由散射波的近场数据反演时间调和声波阻尼系数。方法利用正则化方法和积分方程,提出了反演声波阻尼系数的一种方法。结果给出了该方法收敛性的证明及数值例子。结论该方法不仅简单而且很有效。

Aim To deal with the inverse time-hormonic acoustic wave scattering problem. Methods Considering here is to recover the impedance coefficient from the near field data of the scattered wave. Results A method is presented and the convergence of this method is proven. Numerical examples are given. Conclusion They show that the method is both accurate and simple to use.