折射层 meaning in Chinese
refracting layer
refraction marker
refractor
Examples
- 2 ) forward modeling method of refraction first - break in lateral varying velocity media . for layered media , a new forward modeling method of refraction is presented . for more complex near - surface conditions such as mountain areas , a new improved ray tracing method based on shortest path assumption is studied , it has higher accuracy and faster computing efficiency than conventional ones . the method can be used for the forward modeling of complex near - surface media
而对于折射面起伏较大、低速层和折射层速度变化较大的复杂近地表情况，提出了一种改进的最短路径初至波射线追踪方法，该方法精度高，计算速度快，适用于任意二维复杂近地表介质(如山地)的初至折射波的正演计算。 - Inversion of the near surface structure can be done by the method with refraction first - break information , so it can be used to solve 2d long wavelength and short wavelength statics problems for complex near surface areas ; 4 ) a kind of 3d statics method with statistical deposition of refraction first - break traveling time in common shot domain is developed
它适应折射面起伏不大、折射层较稳定的近地表条件，利用该方法可以解决二维沙漠、黄土塬覆盖区等复杂地表条件的长短波长静校正问题； ( 4 )三维共炮域折射旅行时统计分解静校正方法。 - Solving the static correction problems under complex near - surface conditions is a systematic engineering . first , careful field weathering investigation must be done , then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods , finally , reflection statics methods are used iteratively to solve the residual statics problems . to solve serious static correction problems in complex near - surface areas of western china , different refraction first - break statics methods are studied in this thesis . the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly , it lays a good theoretical foundation for later statics method studies
本文针对目前西部油气勘探中迫切需要解决的复杂地表区静校正技术难题，对初至折射波解决二维和三维长、短波长静校正问题的正反演方法进行了深入的研究和探讨，研究内容主要包括( 1 )水平层状和倾斜界面折射波的传播规律，为后续的折射静校正方法研究奠定理论基础； ( 2 )二维复杂层状介质地震折射波正演方法，该方法可适用于折射面起伏不大、低速层和折射层速度变化不大的情况。