对比源反演算法在二维弹性波成像中的应用

摘要

Three useful algorithms, linear synthetic aperture focusing technique, nonlinear contrast source inversion (CSI) algorithm and CSI algorithm with multiplicative regularization (MR-CSI), are used to solve e-lastic wave inverse scattering problems. The experimental data are obtained using multi-bistatic measurements. The inversion results, which are presented and compared, verify that the MR-CSI algorithm is an accurate and effective algorithm for solving elastic wave inverse scattering problems.%采用线性算法——合成孔径聚焦算法,非线性算法——对比源反演算法和乘法正则化的对比源反演算法解决二维弹性波的逆散射问题.二维实测弹性波数据采用了多收发分置的测量方式.通过对实测数据的重建结果的展示和比较,验证了采用乘法正则化的对比源反演算法是一种解决弹性波逆散射问题的精确、有效的算法.