1) Complex Structure Migration Imaging
复杂构造偏移成像
3) Migration
[英][maɪ'ɡreɪʃn] [美][maɪ'greʃən]
偏移成像
1.
Common-reflection-surface stacking and its application in migration imaging;
共反射面元叠加技术及其在偏移成像中的应用
2.
The conventional migration for 3-D VSP seismic data resorts to the use of Kirchhoff integral,which is based on the ray theory,to be implemented in common shot point gather.
常规的三维VSP地震数据偏移成像大都使用基于射线理论的Kirchhoff积分方法在共炮点道集中进行,因此对地下速度横向变化大的复杂构造区适应性差、效率很低。
3.
In the wave equation depth migration of common shot gathers,the windowed Fourier frame expansion of seismic wavefield is used to obtain the receiver and source wavefields in the local angle domain.
在共炮集数据的波动方程深度偏移成像中,利用常规的波场传播算子进行检波点波场和震源波场的向下传播,在各个深度层借助波场的窗口Fourier框架展开,得到局部角度域的检波点波场和震源波场,然后应用偏移成像原理,提出了共炮集数据的波动方程角度域偏移成像方法。
6) migration image
偏移成像
1.
Mixed-domain one-way wave propagator and its application in migration image;
混合域单程波传播算子及其在偏移成像中的应用
2.
Man-made boundary in forward computation and migration image using finitedifference of wave equation must result in boundary reflection waves to damage theeffects of forward computation and migration image.
在波动方程有限差分的正演及偏移成像过程中，由于引入人为的边界条件，必然会导致产生边界反射，从而影响正演结果及偏移成像的效果。
3.
Because the conventional Rytov approximation Fourier migration method cannot accurately image the media with acute lateral variation of velocity, a Rytov approximation Fourier migration method with variable reference slowness was proposed to theoretically solve the migration image of the arbitrary velocity change model.
针对常规Rytov近似傅氏偏移方法对于剧烈横向变速介质不能精确成像的状况,提出了变参考慢度Rytov近似傅氏偏移方法,从理论上解决了任意速度变化地质模型的偏移成像问题。
补充资料：复杂
（事物的种类、头绪等）多而杂：颜色～ㄧ～的问题ㄧ～的人际关系。
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参考词条