lateral variation meaning in English
侧变化
横向偏差
Examples
- 2 , the image of sn - wave velocity lateral variation is reconstructed in china continent by tomography method using 43646 sn rays
2 、用了43646条sn射线反演得到中国大陆上地幔顶部s波速度横向变化。 - 1 , travel times of 91138 pn arrivals recorded from china and adjacent regional earthquakes are inverted in a tomographic study to map the lateral variations and anisotropy of pn velocity of the uppermost mantle
1 、用91138条pn射线的走时反演出中国大陆上地幔顶部的p波速度横向变化和各向异性分布。 - In this paper the author studies the theory and method of refraction tomography at uppermost mantle . the images of p - and s - wave velocity lateral variation are rebuilded at uppermost mantle beneath china continent , and anisotropy of p - wave velocities are obtained on the basis of pn and sn travel time data in china and adjacent area by tomography technique
本文在详细分析研究了上地幔顶部折射波层析成像技术的理论和方法及其发展历程的基础上，搜集了中国大陆及邻区的pn和sn到时资料，利用层析成像技术，重建了中国大陆上地幔顶部的p波和s波速度横向变化图像，并反演出p波波速的各向异性分布。 - The dissertation focuses on seismic wavefield forward modeling and migration for the fractured reservoir . 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。 - The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir . it researches the wavefield extrapolation operator for lateral variation of velocity , design four theoretical models and seven practical models with fracture and cavity . base on the progenitor , in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong , the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield
本文围绕缝洞储层地震波场正演与偏移问题，研究了适用于横向变速波场延拓算子，建立了四个理论的缝洞模型和七个实际的缝洞模型，在总结、分析前人的研究成果的基础上，利用适合横向速度剧烈变化的相移加插值的波场延拓算子，在频率?波数域对上述的地质模型进行正演、偏移处理，最后得到了缝洞储层地震波场的一些特征。