1) prestack reverse-time depth migration
叠前逆时深度偏移
1.
The prestack reverse-time depth migration scheme was studied based on elastic wave equation for two wavefield components recorded in 2D isotropic media.
研究了二维各向同性介质中两分量记录的基于弹性波标量波动方程的叠前逆时深度偏移方法。
2) pre-stack and po
叠前、叠后弹性波逆时深度偏移成像
3) Post-stack reverse-time depth migration
叠后逆时深度偏移
1.
The numerical results show that this method not only increases difference precision of temporal and spatial derivatives,but also has advantages of higher efficiency and lower dispersion compared with traditional centered finite-difference method;therefore,it can be extended to 3D scalar acoustic high-precision forward numerical simulation and post-stack reverse-time depth migration.
模型试算结果表明,与传统的中心有限差分法相比,本文方法不仅可以快速提高时空导数的差分精度,而且具有频散小、计算效率高等特点,可推广应用于三维标量声波高精度正演数值模拟和叠后逆时深度偏移。
4) prestack reverse-time migration
叠前逆时偏移
1.
Wave-equation finite-element prestack reverse-time migration;
波动方程有限元叠前逆时偏移
5) Prestack depth migration
叠前深度偏移
1.
Relief surface-based prestack depth migration of synthetic shot records;
基于起伏地表的合成炮叠前深度偏移
2.
High order generalized screen propagator prestack depth migration for irregular toppgraphy.;
起伏地表下基于高阶广义屏算子的叠前深度偏移
3.
Using 3-D view to operate 2-D multi-line prestack depth migration;
利用三维速度场控制实现二维叠前深度偏移
6) pre-stack depth migration
叠前深度偏移
1.
Xwfd pre-stack depth migration based on dual-complexity with error compensation correction;
双复杂条件下带误差补偿的频率空间域有限差分法叠前深度偏移
2.
Review of seismic illumination pre-stack depth migration methods;
地震照明叠前深度偏移方法综述
3.
Application of pre-stack depth migration in Jizhong area.;
叠前深度偏移技术在冀中探区的应用
补充资料:逆时
1.失时,不合时宜。
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参考词条