migration velocity

3 & d migration velocity field building up with time slice method

用时间切片法建立三维偏移速度场

The application effect of migration velocity analysis

偏移速度分析的应用效果

The key problem we discussed is migration velocity modeling .

偏移速度建模是我们讨论的核心问题。

Common imaging point gather migration velocity modeling based on wave equation

波动方程法共成像点道集偏移速度建模

Migration Velocity Analysis Based on Common Image Point Gathers in Angle Domain

基于角度域共成像点道集的偏移速度分析

Relationship between the accuracy of migration velocity analysis and geometry

偏移速度分析的精度与观测系统的关系

Method for building wave equation migration velocity model in depth domain and its application

深度域波动方程偏移速度建模方法及应用

The authors propose a migration velocity analysis method based on a global optimization .

提出用全局最优化偏移速度分析方法求取介电常数分布。

Migration Velocity Analysis of Common Focus Point Gathers Based on Velocity Scanning

速度扫描法共聚焦点道集偏移速度分析

Migration velocity is the key factor which influences the migration result .

偏移速度是影响偏移效果的关键因素。

There are many migration velocity modeling methods .

偏移速度建模的方法很多。

These methods mentioned above are the base of migration velocity modeling .

上述方法是我们进行偏移速度建模的基础。

A tomography method for modification of migration velocity model using γ gathers

用γ道集信息修正偏移速度模型的层析成像法

Synthetic source record residual migration velocity analysis with irregular surface

起伏地表下合成震源记录剩余偏移速度分析

Common focus point gather migration velocity modeling based on constraint parameter inversion

基于约束参数反演的共聚焦点道集偏移速度建模方法

Secondly estimate migration velocity field with the help of direct wave tomography .

其次通过直达波层析成像估算偏移速度场；

Migration velocity is most important factor for prestack depth migration imaging .

影响叠前深度偏移成像效果的一个重要因素就是偏移速度。

Migration velocity modeling in common focus point gather

共聚焦点道集偏移速度建模

Migration velocity of infiltration water is an exponential decline with depth .

入渗水分迁移速度随深度增加呈指数衰减。

A practical and fast approach is presented to update the migration velocity model for improved imaging .

提出了一种利用多次叠前时间偏移提取偏移速度模型的方法，以提高成像效果。

The nonlinear variation characteristics of seismic precursor anomaly migration velocity and its mechanical interpretation

地震前兆异常迁移速率的非线性变化特征及其力学解释

Methodology of automatic picking stack velocity and extracting migration velocity

自动拾取叠加速度及提取偏移速度方法

Migration velocity spectra based on generalized Radon transform

基于广义Radon变换的偏移速度谱

Tropical cyclone 's migration velocity is influenced mainly by the synoptic system .

天气系统对热带气旋移动速度影响较大。

Advances in migration velocity analysis

偏移速度分析技术新进展

To improve the expulsion efficiency of source rocks and increase oil and gas migration velocity .

在一定程度上提高源岩的排烃效率，增加油气的运移速率。

Under the function of percolation the intensity decreased , but the migration velocity increased .

浓度有所减小，但运移时间也减小。

As to migration velocity analysis , it is suggested to start with a little higher initial velocity .

在偏移速度分析中，从稍大的速度开始分析会对速度分析更加有利。

The technique of founding 3D migration velocity filed ;

建立三维偏移速度场技术；

The anomaly migration velocity does not increase linearly but non linearly .

异常迁移速率不是线性增加，而为非线性递增。