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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。
velocity model building 速度建模
Visual model building and "mind mapping" with the Network Editor tool. 视觉模型的建设和"心智地图"的网络编辑工具.
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。
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。
Like mahogany, because of it's coarse grain stucture is it not really all that suitable for model building. 像桃花心木，因为它粗纹理结构是不那么适合制作舰船模型。
Balsa wood has it's place in model building but it is not all that useful in period model ships. 巴尔沙木，在制作舰船模型的木材中占有一定的位置，但它并不适合舰船模型的全部。
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.
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。
Whereas if UGM model is used for model building,it is easier to solve the problem of prediction if ot... 因而其方法与结果对于预防煤矿安全事故的发生,保证煤矿的安全生产具有重要意义。
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 3D model building system of compressive comminution of particle beds by adopting of VB language, Solidworks 2001 plus and SQL server data base. 系统采用vb语言,连接Solidworks2001plus二次开发,结合SQLserver数据库,开发了一套层压破碎三维建模系统。
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。
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。
Because QFD model building is complicated, CBR based on Fuzzy Cluster Analysis is applied to simplifying the process of QFD model building. 同时提出在进行多次应用后 ,采用基于实例推理 (CBR ,Case BasedReasoning)的方法提取相似实例简化QFD的模型建立过程 ,并采用模糊聚类方法进行实例的检索。
The results of two inversion algorithms indicate that RAGA is superior to SGA.RAGA inversion is an applicable method for both of simple and complex velocity model. 二种算法的反演计算结果说明，加速遗传算法性能优于标准遗传算法，无论针对简单速度模型还是复杂速度模型，加速遗传算法都是适用的。