| 1. | Prestack depth migration for p - sv converted - wave 转换波叠前深度偏移 |
| 2. | Application of 3d prestack depth migration in complex area 三维叠前深度偏移技术在复杂地区的应用 |
| 3. | A new method for prestack depth migration of areal shot records with phase encoding 一种新的相位编码面炮记录叠前深度偏移方法 |
| 4. | Velocity model building for prestack depth migration is a model based iteration process 摘要叠前深度偏移速度建模是一种基于模型的迭代修正过程。 |
| 5. | It has been proved that application of forward model to pre - stack depth migration image is very helpful to improving image quality of seismic data processing 事实证明,这种将模型正演应用于叠前深度偏移处理成像的方法对于提高地震资料处理的成像质量具有非常重要的作用。 |
| 6. | Applying the high order generalized screen propagator to wave equation prestack depth migration cast get a better migration result than that of conventional generalized screen propagator 把高阶广义屏传播算子应用于波动方程叠前深度偏移,可得到比常规广义屏传播算子更好的效果。 |
| 7. | Wave equation migration can preserve the kinetic characteristics of wave field , so this paper applies common - azimuth prestack depth migration technology to realize 3d processs for 2d seismic data 摘要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。 |
| 8. | Using the wave equation prestack depth migration on seg - eage 2 - d salt dome model as an example , the two - order generalized screen propagator increases 30 % calculation work relative to the conventional one - order ) generalized screen propagator 以seg - eage二维盐丘模型数据的波动方程叠前深度偏移为例,二阶广义屏传播算子相对于常规(一阶)广义屏传播算子增加了30 %的计算量。 |
| 9. | A generalized high order screen extrapolator of double square root ( dsr ) equation is derived from the non - stationary phase shift formula of wavefield continuation , thus a new prestack depth migration method in the cmp - offset domain is proposed 在波场延拓方面,从非稳态相移公式出发,推导出广义高阶屏双平方根波场延拓公式,从而得出了一种新的共中心点-炮检距域叠前深度偏移方法。 |
| 10. | The first step , designs the four fractured reservoir models which bases on the geological characters of the analysis field , with the forward modeling and depth migration of poststack seismic wavefield gains the record of the forward and the profile of the migration 第一步,建立了四个理论模型(根据研究区域地质特征确定的) ,并对四个模型进行了正演和偏移处理,得到了这些理论模型的地震响应特征。 |