Prestack depth migration is an optimal imaging method for PSV wave.
叠前深度偏移是转换波最佳成像方法。
Prestack reverse time migration requires computing the first breaks time of imaging points.
叠前逆时偏移需要计算成像点的初至时间。
It is stressed that the relationship between prestack processing S/N and resolution is important.
强调了叠前处理信噪比与分辨率关系的重要性。
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