折射波

SVD滤波法在直达波和折射波衰减处理中的应用

Application of SVD filtering in the processing of decaying direct wave and refracted wave

相遇折射波法在剩余煤厚探测中的应用

Application of reversed refracted wave method in detecting the thickness of remained coal seam

当地震波在层状介质中传播，P波通过速度界面时，会产生PP型折射波和PS型折射转换波。

Transmitted PP and converted PS waves are generated when a P-wave propagates through an interface separation two media with large impedance contracts .

反射和折射波联合地震勘探在JR地区的应用

Application of joint reflection and refraction exploration in JR area

用Fermat原理作折射波正演算法

A refraction forward modelling algorithm by using Fermat theory

当远震P波通过地壳、上地幔速度界面时，除了产生PP型折射波，还产生一系列PS型折射转换波。

When P waves from distant earthquakes meet a velocity discontinuity in the earth 's crust and upper mantle , they give rise to a series of converted PS waves besides PP refracted waves .

同时，由PS测井所得到的土层及强、中、弱风化层的纵横波速还可对面波和折射波勘探中风化层位的划分起标定作用。

Meanwhile , the velocities of P-wave and S-wave gained by PS-wave logging from soil and severe , middling and mild weathering strata may take very important role in weathering demarcation for Rayleigh wave and refraction wave explorations .

并通过这些方程总结了P-SV转换波记录中折射波的一个重要特点：P-P-P折射波和P-P-SV折射波在一定条件下平行。

Through these equations author got an important result : P-P-P refraction and P-P-SV refraction in parallel under certain conditions .

地震记录初至拾取在层析成像勘探、折射波静校正、VSP解释和浅层折射波勘探中起重要作用，它的准确程序直接影响着处理结果。

The automatic pick of seismic first arrivals plays a key role in seismic data processing such as refraction static correction , VSP data interpretation , shallow refraction exploration and seismic tomography , as the accuracy directly influences the processing result .

应用SVD（奇异值分解）滤波法不仅可以达到衰减具有线性特征的直达波和折射波能量的目的，又能突出具有非线性特征的浅层一次反射能量，可以避免丢失浅层有效反射信息。

The SVD filtering method will be able to suppress the direct-wave and refracted-wave with linear characteristics and to strengthen the primary shallow seismic reflection energy with non - linear characteristics , and the useful shallow seismic reflection information would not be lost .

初至的拾取在地震资料处理中有着非常重要的作用，它是折射波资料分析、VSP处理和井间地震资料处理的基础工作，并为其他处理工作提供可靠参数。

First break picking plays an important role in seismic data processing , which is an essential work for refraction data analysis , VSP processing and cross-well seismic data processing , and provides reliable parameters for other processing . First break picking technology is put forward based on S-transform .

本文提出了基于Fermat原理的折射波正演算法，它以模型的离散划分和射线路径搜索为基础，适用于任意地形和起伏折射界面的速度可横向变化的模型。

The authors present a refraction forward modelling algorithm in the paper . It is based on the discrete plotting of a model and the ray path searching and uses the Fermat theory as criterion . It fits with a model with any fluctuation of refractor and surface .

优化人工神经网络在折射波静校正中的应用

The application of optimized artificial neural network to refraction static correction

北黄海盆地反射地震勘探中折射波资料的应用

Application of refraction data in reflection exploration in North Yellow Sea

共中心点域浅层折射波解释方法及应用实例

Refraction seismic interpretation method in CMP domain and its application case

地震折射波的虚拟射线理论及其应用

A ghost ray theory of seismic refraction wave and its application

利用τ-P变换计算折射波速度谱

Calculation of refraction velocity spectrum by τ - p transformation

折射波地震记录叠加成像方法研究

Research on methodology of stack imaging of refractive seismic recording

覆盖开关在水中地震折射波法中的运用

The application of overlay switch to underwater seismic refraction exploration

浅层折射波数据处理软件的开发

The software design of shallow layer refraction wave datum processing

声波测井中首波的临界折射波至模型

The Critical Refraction Wave Arrival Model for Acoustic Head wave

青岛北船重工海西湾造修船基地海域折射波地震勘探研究

Research of Shallow Sea Refraction Shooting in Qingdao Haixi Bayon

折射波层析成像在西安地裂缝勘探中的应用研究

Applications and Researches of Refraction Seismic Tomography Method in Xi'an Ground Fissures

旅行时分解法初至折射波静校正及其应用

Method of Travel-time Decomposition First Arrival Refraction Wave Statics and Its Applications

测定围岩松动圈的折射波法探讨

Exploration on refraction method of measuring rock loose ring

各向异性介质中折射波及其走时曲线研究

A Study on Refractive Waves and Their Travel Time Curve in anisotropic Media

一种利用τ-p变换由折射波求静校正量的方法

Static correction from refraction by τ - P transformation

多层浅层折射波时距曲线的定量解释

An interpretation of the time-distance curves of shallow refraction waves on multilayer interfaces

时间场法在折射波资料解释应用中的研究

Research on Application of time field method to data interpretation of refraction wave

地震折射波的虚拟速度&临界角谱的原理与制作方法

The principle and processing method of ghost velocity-critical angle spectrum of seismic refraction