ray inversion method的意思|示意

The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing.

研究的最小旅行时射线追踪法可大大减少层析反演的计算工作量并提高射线追踪的精度；

The problem of parameter inversion in inhomogeneous medium was studied and a generalized ray approximation method to inverse 2-d medium parameters was introduced in this paper.

对非均匀介质参数反演问题进行了研究，并提出了用于反演二维介质参数的广义射线近似方法。