1) 2 D multiline prestack depth migration in deep layers
二维叠前深度偏移连片处理
2) 3-D prestack depth migration
三维叠前深度偏移
1.
3-D prestack depth migration on massive parallel processing system;
大规模并行处理机三维叠前深度偏移
2.
It solves out the required multi-valued traveltime and amplitude at the uniform dispersed grids efficiently when applied to 3-D prestack depth migration.
本文算法应用于三维叠前深度偏移处理流程时，可高效地获得均匀网格点上地震波多值走时及振幅的数值计算结果。
3.
The conventional imaging methods in time domain can not fulfill requirements for complex geologic area, so we have to do depth domain imaging, especially doing 3-D prestack depth migration(PSDM).
另外，叠前深度偏移与速度建模均需要巨大的计算机资源，为有效地实现三维叠前深度偏移，合理的处理流程与方法选择也十分重要。
3) D prestack depth migration
三维叠前深度偏移
1.
D prestack depth migration is an ideal seismic data imaging technique for the area where there occur very complicated geologic structure and severe lateral velocity variation.
三维叠前深度偏移是解决复杂构造和速度横向变化剧烈地区地震资料成像问题的理想技术。
2.
Based on 2 D prestack depth migration and the creation of migration velocity model , the authors have studied and realized the method and software of variable range 3 D prestack depth migration .
理论和实践证明，三维叠前深度偏移是目前最精确的地震波场成像方法。
3.
In the paper, 3-D prestack depth migration for the SEG/EAEG salt model with the split step method(SSF) is investigated.
用分步傅里叶法对SEG/EAEG盐丘模型进行了三维叠前深度偏移。
4) 3-D pre-stack Kirchhoff depth migration
三维叠前Kirchhoff深度偏移
1.
Large-scale parallel comput at ion of 3-D pre-stack Kirchhoff depth migration requires efficient storage of t ravel-times.
在三维叠前Kirchhoff深度偏移的大规模并行计算过程中,高效存储与获取射线旅行时数据是非常必要的。
5) 3D prestack depth migration
三维叠前深度偏移
1.
Application of 3D prestack depth migration in CB area of Jiangsu Province;
三维叠前深度偏移技术在江苏CB地区的应用效果
2.
Realization of 3D prestack depth migration in frequency-wavenumber domain;
在频率波数域实现三维叠前深度偏移
3.
The project related to 3D prestack depth migration of synthetic source records is studied in this dissertation.
本论文围绕三维叠前深度偏移课题开展研究。
6) 3D pre-stack depth migration
三维叠前深度偏移
1.
Building of 3D pre-stack depth migration velocity model under deep volcanic environment in northern Songliao Basin;
松辽盆地北部深层火山岩地质条件下三维叠前深度偏移速度模型建立
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