Prestack migration of common shot records is very sensitive to the velocity input, and demands a kind of continuation formula which can adapt to both vertical and lateral velocity variations.
共炮记录叠前偏移对输入的速度非常敏感，要求偏移中所使用的延拓公式能较为精确地适应速度的纵横向变化。
Prestack migration of common shot records is very sensitive to the velocity input, and demands a kind of continuation formula which can adapt to both vertical and lateral velocity variations.
共炮记录叠前偏移对输入的速度非常敏感，要求偏移中所使用的延拓公式能较为精确地适应速度的纵横向变化。
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