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由近地表速度变化引起的地震波旅行时间的变化常常是非静态的,同一道不同时间样点处,时变值不同,有时称之为“动态”的。由海底深度剧变引起的海洋地震资料中波到达时间的变化就是非静态的。有时这种动态变化严
The change of the travel time of seismic waves caused by the near surface velocity change is often non-static. At the same time, the time varying values are different, sometimes called “dynamic”. The variation of wave arrival time in marine seismic data caused by the deep sea depth drastic change is non-static. Sometimes this dynamic changes