波速反演实际上是一种波动方程反演方法。
Wave velocity inversion is essentially a wave equation inversion method.
将波动方程反演的目标泛函加入全变差约束项，提高反演过程的稳定性和反演结果的分辨率。
The total variation constraint item is added to the wave equation inversion objective functional, to improve the stability and the resolution of inversion.
偏移的目的是要反演波动方程系数的奇性(层速度的间断面)。
The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.
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