一种基于弯曲射线的走时层析成象算法

A Reconstructive Algorithm for Traveltime Tomography Based on Bending Rays

本文从费马原理出发，提出了一种根据测量的走时数据，基于弯曲射线的阻尼ART算法，它是适用于重建高对比度介质慢度分布的算法。本文详细描述了算法的步骤，并给出了用模拟介质所作的实验结果，证实了算法的有效性。

This paper proposes a damped ART algorithm for traveltime tomography from Fermat's principle.This algorithm is based on bending rays.It can be applied to reconstruct the slowness distribution with high constrast. The procedure is described in detail and simulating results are also given. These results prove that the algorithm is effective