这正是目前波动方程偏移效果不太理想的根本原因。
This essentially is the very reason why the effect of wave equation migration is undesirable at present moment.
共接收点倾斜叠加波动方程偏移，本质上是一种叠前偏移方法。
Wave equation migration after common receiving point slant stacks (WEMCRPSS) is essentially a prestack migration method.
本文提出一个新的坐标又换，可得到一套新的波动方程偏移算法。
A new coordinate transform is here introduced to obtain a new family of wave equation migration algorithms.
双平方根(dsr)方程为波动方程偏移提供了一种新的理论框架。
Double square root (DSR) equation has provided a new theoretical framework for developing wave equation migration.
逆时偏移比单程波波动方程偏移和克希霍夫积分偏移更适于复杂构造成像。
Reverse time migration (RTM) is more applicable for the imaging of complex structures than one-way wave-equation migration and Kirchhoff integral migration.
分析误差传递因子相角等因素对有限差分波动方程偏移造成的相位畸变问题，找到相应规律。
Cut-error that made from the finite difference mirgation, phase angle of error transfer function and factors that determine their values are discussed.
波动方程偏移保持了波场动力学特征，依此本文应用共方位角叠前深度偏移技术来实现二维资料三维化处理。
Wave equation migration can preserve the kinetic characteristics of wave field, so this paper applies common-azimuth prestack depth migration technology to realize 3D process for 2D seismic data.
在使用有限元法求解波动方程偏移过程中，由于未知量数目巨大，需要花费大量的计算机存储空间和计算时间。
In wave equation migration using finite element method, a great deal of computer's internal storage and computer time are used because of too many unknowns involved.
本文讨论了在波动方程偏移问题中构造吸收边界条件方程的原则，并提出了求解具有吸收边界条件的偏移问题的一种新方法——矩阵拟合分解方法。
In this paper a fitting decomposition method is proposed and the principles for construe - ting equations which characterize the absorbing boundary conditions is discussed for wave equation migration.
最后给出了构造的单程波动方程在开发常规WIMIG偏移模块中的应用。
The application of such one-way wave equation to exploiting WIMIG module for migration is described finally.
偏移的目的是要反演波动方程系数的奇性(层速度的间断面)。
The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.
当介质的速度在横向上存在较大的变化时，波动方程时间偏移不能使地下的构造正确成像。
Wave equation time migration fails to image subsurface geological structure correctly in the case of obvious lateral seismic velocity variation.
作为最具物理性的共炮点道集的波动方程叠前深度偏移，涉及庞大的波场外推计算量，计算极其耗时，效率较低。
As the most physical of the shot-profile wave equation pre-stack depth migration involving huge extrapolation calculation, the calculation is extremely time-consuming and less efficient.
波动方程叠前深度偏移技术是复杂地表地震资料成像的有效方法。
Wave equation prestack depth migration technique is an effective method of seismic data imaginating in complicated surfaces.
为此，探讨了直接从起伏地表开始的波动方程叠前深度偏移方法。
Therefore, the wave equation pre-stack depth migration, a method starting directly from the rolling surface, is discussed.
提出了一套基于平面波分解的波动方程叠前地震数据深度偏移方法。
Based on plane wave decomposition, We propose a wave-equation depth migration method for pre-stack seismic data.
三维波动方程叠前深度偏移是复杂介质中进行构造成像、弹性参数反演的重要环节。
The 3-D wave equation prestack depth migration is one of the most important techniques in the structure imaging and the inversion of elastic parameters of complex media.
结果表明：起伏地表波动方程叠前深度偏移照明加权成像结果与理论模型构造形态非常吻合。
The result showed that the illuminated weighting imaging results by wave equation prestack depth migration from relief surface very coincide with the structural configuration of model.
利用单程波动方程炮道集叠前深度偏移方法，建立了相关叠前深度偏移处理流程；
The One-Way Wave Equation Prestack Depth Imagimg operators in the hybrid domain are developed into the software and the processing sequence is built.
针对波动方程叠前深度偏移中重要的速度模型问题，研究了一套三维速度建模方法和软件。
Taking aim at solving the important velocity model problem in wave equation pre-stack depth migration, This paper studies the method and software of building 3d migration velocity model.
针对波动方程叠前深度偏移中重要的速度模型问题，研究了一套三维速度建模方法和软件。
Taking aim at solving the important velocity model problem in wave equation pre-stack depth migration, This paper studies the method and software of building 3d migration velocity model.
应用推荐