It can act as an interim key step of imaging complex structure, which plays an important role for ensuring quality of velocity analysis and depth migration.
它可以作为复杂构造成像的一个关键的中间环节，对于提高最终的速度分析质量和深度偏移成像效果是至关重要的。
Prestack depth migration is an ideal technique for seismic data imaging in the regions with complex structural conditions and severely changeable lateral velocities.
叠前深度偏移技术是解决复杂构造和速度横向变化剧烈地区的地震资料成像问题的理想技术。
Using time depth conversion and depth migration technologies for data processing, more proper structural imaging profiles in steep structure were obtained.
高陡构造资料处理采用层速度时深转换技术和射线深度偏移技术，将得到比较准确的构造成像剖面。
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