Wang shoudong , wu lu , crosshole seismic data image using wave equation inversion , presented at 66th seg annual meeting , 1996 王守东，刘家琦，层状介质二维波动方程叠前反演方法，中国地球物理学会年刊，长沙， 1993 。
Based on the theory of rayleigh wave propagation in layer medium , the variation of wave velocity can reflect the variation of rock and soil mechanical property 摘要根据瑞雷面波在层状介质中的传播理论，波速的变化可以反映出岩土力学性质的变化。
The development from traditional research of layered media to heterogeneous anisotropic media and to random media , is required to solve the problems in petroleum exploration 摘要从传统的层状介质研究发展到对非均匀各向异性介质乃至随机介质研究，是解决当今高难度油气勘探和高标准油气开发问题的需要。
The surface - wave theory was firstly provided by rayleigh , which can be used in even medium and many other learners developed rayleigh ' s theory and provided another theory which can be used in layered medium 瞬态面波法的理论基础是英国学者瑞利提出的半无限弹性均匀介质中的瑞利面波理论及其后来发展起来的半无限弹性层状介质中的频散理论，因其具有同时可以大范围检测，精度好、效率高等优点，在无损检测方面有很好的前景。
This paper presents the prestack time migration to curved rays for minor fault blocks , which is of more accurate migration , allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation , the focused imaging to be more precise , the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study 采用弯曲射线叠前时间偏移技术使小断块准确偏移归位，其走时方程更接近层状介质地震波的真实传播路径，成像聚焦更精确，且通过特殊振幅处理，其偏移结果有很好的保幅性，输出的道集可以用于岩性分析和反演研究。
The paper investigates the parameters of single piles , pile groups and pile groups with embedded caps in the layered media and compares the dynamic impedance of pile foundations obtained from the finite element method with that from other simplified methods . the results in this paper are valuable to the pile groups with embedded cap 然后对层状介质中的单桩、群桩以及考虑承台作用的群桩进行参数研究，得到这些桩基的动力阻抗，并将有限元结果与若干简化方法得到的结果进行了比较。
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。
The thesis deals with transient r - surface wave processing and artificial neural networks and develops a way of detecting and estimating the degree of compaction , uniformity , the bearing capacity of the dynamic foundation . r - surface wave theory and its engineering application are discussed . the r - surface wave equation and artificial neural network bp algorithm are deduced 在深入掌握瑞雷面波理论和人工神经网络理论及其工程应用现状的基础上，系统地推导了均匀半空间介质和层状介质的瑞雷波方程和人工神经网络bp法公式，完善了瞬态瑞雷面波正反演处理软件，编制了基于人工神经网络bp法非线性处理软件。
In order to study the uniqueness and complexity of reflection seismic pilot detecting technology in southern coalfield , and according to the southern coalfield stratigraphic features and characteristics of seismic waves observed , the thin dielectric model both transversely isotropic and anisotropic was set up 摘要南方煤矿薄层状介质存在各向异性和横向各向同性并存的情况，其煤层的物性条件及其赋存情况的几何形态又有利于槽波的形成，且地层地质构造发育，瓦斯、水等灾害严重，这些特征造成了南方煤矿薄层状介质中反射地震超前探测技术的复杂性和特殊性。
