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针对地形起伏变化剧烈地区的偏移问题,引入了零速度层法,并从零速度层的含义、零速度层在地形起伏剧烈地区偏移(时间偏移和深度偏移)的实现、引入零速度层的偏移比采用基准面的常规偏移的优势在哪里、为什么要引入零速度层等几方面进行了阐述,最后用野外数据进行了验证,处理成果显示零速度层是处理地形起伏剧烈地区偏移问题的一种有效的方法。
In order to solve the problem of the migration of the terrain, the zero-velocity layer method is introduced. From the definition of zero-velocity layer and the implementation of the zero-velocity layer in the area where the terrain fluctuation is violent (time migration and depth migration) The offset of the velocity layer is more than the advantage of using the conventional offset of the reference plane, why the zero velocity layer should be introduced, and finally verified with the field data. The processing results show that the zero velocity layer handles the severe terrain fluctuation An effective way to solve the problem of regional migration.