Applications of plane wave migration method and their effectiveness on common shot gathers and common offset gathers are also presented.
给出了平面波偏移方法在共炮点道集和共偏移距道集数据上的应用以及效果评价。
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。
In recent years, people have developed several migration techniques which don't use common-shot records in order to improve computational efficiency for pre-stack migration.
近些年出现了旨在提高叠前偏移计算效率的多种非共炮记录的偏移方法。
In recent years, people have developed several migration techniques which don't use common-shot records in order to improve computational efficiency for pre-stack migration.
近些年出现了旨在提高叠前偏移计算效率的多种非共炮记录的偏移方法。
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