1) wavefield continuation
波场延拓
1.
Combined datum correction of tomography inversion with wavefield continuation under complex near surface condition.;
复杂近地表层析反演与波场延拓联合基准面校正
2.
Forward simulation of wavefield continuation at shot point appropriate for fluctuate surface
适合起伏地表的炮点波场延拓正演模拟
3.
Topics include design of seismic acquisition geometry based on illumination analysis, noise elimination with wavefield continuation, statics with wavefield continuation, prestack time/ depth migration techniques, construction and update of velocity model, and attribute analysis in depth-domain.
系统介绍了深度域处理解释技术的概念,包括基于照明分析的地震采集设计技术、波场延拓噪音消除技 术、波场延拓静校正技术、叠前时间／深度偏移成像技术、速度模型建立及修正技术和深度域属性分析技术等,并 展望了该技术的发展前景。
2) wave field continuation
波场延拓
1.
A new prestack depth migration method that is based on wave field continuation has been developed by combining physical model of plane wave synthesizing with Fourier finite difference operator for wave field continuation.
本文将平面波合成的物理模型与傅里叶有限差分波场延拓算子相结合，提出了一种新的基于波场延拓的叠前深度偏移方法。
2.
Making a new approach to study this noise by us is using wave character of scattered wave,by post stack wave field continuation to make imaged,and then make it attenuated by means .
利用散射波的波动特性 ,在叠后通过波场延拓使其聚焦成像 ,然后通过压制强噪声的手段将其衰减 ,是我们对这种噪声研究的一种新的探索。
3.
In order to solve the problem of influence of complicated surface velocity change on reflection wave,on the basis of tomographic inversion of first break surface model,the paper studied theory and method for surface model correction by wave field continuation,and formed a suit of effective calculation method.
波场延拓表层模型校正 。
3) Wavefield extrapolation
波场延拓
1.
In addition,in order to raise the image accuracy of complex layer and the stability of wavefield extrapolation formula, the scattered wavefield formula is improved.
此外,为进一步提高复杂地层的成像精度和波场延拓算子的稳定性,对散射波场的计算公式作了改进。
2.
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。
3.
The paper integrates and researches the wavefield extrapolation operator for lateral variation of velocity, analysis of the wavefield characteristic, forward modeling and depth migration of prestack and poststack seismic wavefield, creation of wavelet, design of the model with fracture and cavity, and computation of reflectivity.
本文围绕缝洞储层地震波场正演与偏移问题，对横向变速波场延拓算子；叠前与叠后正演模拟；叠前与叠后深度偏移；子波的生成；缝洞模型的设计、反射系数的求取、正演、偏移及其波场特征分析进行了一体化研究。
5) wavefield extrapolation method
波场延拓法
6) continuation operator
波场延拓算子
1.
In order to raise the imaging accuracy of complex layer and the stability of wavefield continuation operator, the scattered wavefield formula was improved.
为了进一步提高复杂地层的成像精度和波场延拓算子的稳定性,对散射波场的计算公式作了改进。
补充资料：排拓
1.开拓。
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参考词条