prestack
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例句
Though wave equation prestack migration produces higher quality images, it has not been widely used in practice due to its low efficiency.
波动方程法叠前深度偏移成像精度高，但由于效率低而难以在实际生产中推广应用。
The prestack inversion can provide many attributes, but it has a disadvantage of large amount of calculation.
而叠前反演能够提供较多的属性参数，但运算量巨大。
The authors illustrated in detail the process of 3D prestack Kirchhoff time migration from the point of application.
从应用的角度较详细地论述了三维叠前克希霍夫时间偏移的过程。
Prestack reverse time migration requires computing the first breaks time of imaging points.
叠前逆时偏移需要计算成像点的初至时间。
These noises manifest certain behaviors, thus can be suppressed according to the properties of the prestack gathers.
这些噪音具有某些特殊的规律，可以利用叠前某种道集的特性进行压制。
Outliers, random noises, and some coherent noises (e. g. multiples) are the noises typically existing in prestack gathers.
叠前道集中存在的野值、随机噪音以及某些弱相干噪音（如多次波）是典型的叠前噪音。
A combination of prestack and post stack hybrid seismic inversion in exploring areas with sparse or no well control was presented.
介绍了一种在无井或少井情况下的叠前叠后混合地震反演方法。
The theory and practice prove that prestack depth migration is the most accurate imaging method of seismic wave field at present.
理论和实践证明，三维叠前深度偏移是目前最精确的地震波场成像方法。
The interpretation precision of target horizon by using prestack depth migration data is high com pared to real drilling.
利用叠前深度偏移资料解释的目的层层位，与实钻结果差异较小。
In order to improve the imaging quality of sandy conglomeratic body, prestack time migration was used in this area.
为了使砂砾岩体的成像效果更加理想，在该区进行了叠前时间偏移应用研究。
A new method for prestack coherent noise elimination is put forward here.
本文提出了一种新的叠前相干干扰滤除方法。
In order to solve the problems of velocity and the structure. The 3-D prestack depth migration processing method was applied to this area.
为此，我们对该区做了基于模型的三雏叠前深度偏移处理，以期解决速度问题，落实局部构造。
The thesis has carried out comparatively intensive study on angle domain prestack depth migration and the ADCIG extraction.
论文对角度域叠前深度偏移和ADCIG的提取进行了比较深入的研究。
With the development of oil & gas exploration, inversion and application of prestack seismic data is becoming the locus.
随着油气勘探的不断深入，叠前地震数据的反演和应用逐渐成为热点。
We propose a prestack noise suppression method based on ray beam stacking.
提出了一种提高叠前地震数据信噪比的射线束道集叠加方法。
And in order to enhance the practicability of prestack inversions , it is necessary to select the control locations.
为了增强叠前反演的实用性，需要选择恰当的控制点；
Prestack seismic data reconstruction using weighted parabolic Radon transform
加权抛物Radon变换叠前地震数据重建
Prestack amplitude-preserved processing;
叠前保幅处理；
Wave Equation Prestack Depth Migration of Foothills Seismic Data
山前带地震数据的波动方程叠前深度偏移方法
