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- As an inverse problem,migration velocity analysis tries to infer the velocity model from the picked residual curvatures on common image-point gathers(CIGs). 作为一种反问题方法,偏移速度分析利用共成像点道集上的剩余曲率成像点来反演速度模型。
- As an inverse problem, migration velocity analysis tries to infer the velocity model from the picked residual curvatures on common image point gathers (CIGs). 作为一种反问题方法,偏移速度分析利用共成像点道集上的剩余曲率成像点来反演速度模型。
- A METHOD OF CREATING P-P AND P-SV WAVE PRESTACK DEPTH MIGRATION VELOCITY MODEL P-P波及P-SV波叠前深度偏移速度模型建立方法
- migration velocity model 偏移速度模型
- 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
- 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。
- The prestack migration into space should be based on accurate isochrones through the heterogeneous velocity model and the wave incidence angles. 空间叠前偏移是基于精确的通过不均匀速度模型的等时线和波的入射角。
- The migration imaging range is determined according to the structural attitude of 3 D velocity model , and the variable range 3 D prestack depth migration is done on the CSP ... 用三维相移加校正方法在炮集上实现三维叠前深度偏移,并根据三维速度模型构造形态,自动确定偏移后成像孔径进行变范围偏移叠加,提高三维构造形态清晰度。
- migration velocity modeling 偏移速度建模
- 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。
- Since offset ray parameter is proportional to angle of incidence at the reflector, CAI gathers provide a complete set of tools for migration velocity analysis and AVO analysis. 由于照射角和炮检距的对应关系 ;共照射角像集又为偏移速度分析和AVO(振幅随炮检距变化 )分析等提供了有力工具 .
- This thesis bases on the acoustic wave equation, uses the wavefield extrapolation operator in frequency-wavenumber domain to analyze the migration velocity error. 声学波动方程描述了声波动现象的物理本质,本文基于声学波动方程,借助于频率波数域的波场延拓算子来开展偏移速度误差的分析。
- Therefore, it has the potential to image reflectors in depth without requiring the velocity model. 因此,它有可能反射的形象,而不需要进行深入的速度模型。
- The results have been used to guide the pickup of first breaks and to construct initial velocity model for refraction statics. 在折射静校正处理中应针对不同地貌特徵建立初至拾取原则和初始速度模型,以确保折射静校正结果的准确可靠。
- The tomographic inversion of the surface layer velocity model with the first break is the important base of the tomographic static correction. 初至波表层速度模型层析反演是层析静校正的重要基础。
- In the experiment pit, the migration velocity was 2.27cm/d under an artificial condition of 5mm/h sprinkling intensity for 3 hours each day, the vertical diffusivity Dx was 7.75cm2/d. 在2m2实验坑中,以5mm/h喷淋强度每天喷淋3h的条件下,氚示踪剂以2.;27cm/d的速度向下迁移, DX为7
- Comparison of Induced Velocity Models for Helicopter Flight Mechanic. 直升机飞行力学诱导速度模型的比较。
- Equivalency to extract FPS of the crustal velocity model of Seismographic Station of University of California, Berkeley, and that of USGS was demonstrated. 论证了伯克利加利福尼亚大学的地壳模型与美国地质调查局的地壳模型对于求断层面解的等效性.
- After reviewing the basic principle of the migration method based on double-square-root (DSR) equation, we introduce a fast angle domain imaging algorithm to facilitate migration velocity analysis. 摘要简单回顾双平方根(DSR)方程偏移一般理论之后,介绍了适应偏移速度分析的角度域成像快速算法。
- The settling characteristics and terminal velocity of granular sludge in UASB reactors was discussed by using a terminal velocity model on the view of hydrodynamics. 从流体力学角度,通过建立沉降速度模型探讨了UASB反应器中颗粒污泥的沉降性能与终端沉降速度。