1) 3D post-stack depth migration
三维叠后深度偏移
1.
3D post-stack depth migration in helical coordinate system.;
螺旋坐标系下的三维叠后深度偏移
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
补充资料:创建偏移剖面
要创建偏移剖面,必须通过在“草绘器”中进行草绘以定义切口轮廓。然后,垂直于草绘平面投影此轮廓。单击 或“视图”(View)>“视图管理器”(View Manager)。“视图管理器”(View Manager) 对话框打开。单击“剖截面”(Xsec)。单击“新建”(New)。出现一个缺省的剖面名称。按 ENTER 键。“剖截面创建”(XSEC CREATE) 菜单打开。单击“偏移”(Offset)>“一侧”(One Side) 或“双侧”(Both Sides)>“完成”(Done)。“选取”(SELECT) 对话框打开。选取草绘平面,并定义查看方向和草绘方向。进入“草绘器”。选取用于尺寸标注的参照图元。草绘剖面轮廓并单击 退出“草绘器”。 在“视图管理器”(View Manager) 中,单击“显示”(Display)>“设置可见性”(Set Visible)。“可见性”(Visibility) 对话框打开。单击“显示剖面线”(Show X-Hatching) 查看剖面。单击 预览或单击 接受选取的选项。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条