时距曲线

这样就能较准确地截取反射时距曲线与绕射时距曲线切点附近的能量进行叠加。

Thus , it would be possible to taper the energy near the point of tangency of reflection T-X curve and diffraction T-X curve for stack .

一种全新的大地电磁反演法&垂直时距曲线法

A new magnetotelluric inversion method & Vertical time-distance curve method

VTI介质中反射P波时距曲线一般不再是双曲线。

The traveltime-distance curve of reflected P-wave in VTI media is not hyperbolic anymore .

ARX在隧道测线震探时距曲线图自动绘制中的应用

The Application of ARX to Automatic Drawing in Time Distance Curve of Tunnel Geodesic Concussive Detecting

PS转换波时距曲线具有非双曲线特征，在炮检距远大于深度的情况下，这种特征十分明显。

Time distance curve of P S converted wave is non hyperbolic , and this characteristic is very obvious when the offset is much bigger than the depth .

由于PS转换波传播路径的不对称，转换点与中心点不在同一水平位置，这就造成了PS转换波时距曲线的非双曲特性。在大炮检距情况下这种情况尤为明显。

Because of the dissymmetry which spread path of the PS converted wave , the converted point with central point not at same level position , this resulted in time-distance of PS converted wave being apart from hyperbolic .

从Taner的反射波时距曲线方程入手，提出了具有截断误差校正的广角NMO校正方法。

Start with Taner reflection time curve equation , present the wide angle NMO correction method on truncation error correction .

本文从共反射点时距曲线方程出发，导出了类似于常速DMO公式的变速DMO公式（与Hale等称之的squeezingDMO相类似）。

Variable velocity DMO formula which is analOgous to constant velocity DMO formula and Hale 's squeezing DMO is derived from the time-distance equation of CRP gather data - The method is a revised version of constant velocity DMO ;

当前在二维地震资料处理过程中，DMO处理仍然沿用传统的做法，即在获得共反射点道集后，仍采用共中心点道集的时距曲线方程进行速度分析。

In 2D seismic data processing , the traditional DMO flow is still continuously used at present , that is , the time distance curve equation of common midpoint gather is adopted yet for the velocity analysis of common reflection point gather .

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

横向各向同性介质中的反射波时距曲线

Reflection time - distance curves in transversely isotropic media

折射波法反演t0差数时距曲线法的自动化解释

Automatic interpretation of differential time-distance curves and to reversed by refraction wave method

倾斜断层面上的折射波时距曲线特征及解释方法对比

Charcter of time-distance curves and constrast of interpretation methods of refraction over slantwise fault interface

用共轭点法解释折射时距曲线及其计算程序

The utilization of conjugate point method to interpret the refraction hodograph and its calculation procedure

近海浅层折射波时距曲线的一种解释方法

A Method to Interpret the Time-Distance Curve of Refraction Wave for Shallow Layers Near Sea Shore

本文采用射线追踪方法计算了几种浅部地层速度横向变化模型的时距曲线。

The time-distance curves of several shallow lateral velocity variation models are estimated by using ray tracing method .

海洋走航式单边连续观测地震折射波Δt解释方法&1种新的浅层折射单支时距曲线解释方法

A Δ t Interpretation Method for Seismic Refraction Time-Distance Curve with continuous Unreversed Refraction Profiles at Shallow Sea

本文主要讨论上覆层速度变化及界面弯曲对双曲线型反射波时距曲线的影响。

It is discussed how the hyperbolic time-distance curve of reflection wave is influenced by overlying-layer velocity variance and refiector undulation .

从分析折射波时距曲线入手，确定地层性质突变的临界点，利用通过该点时距曲线的时距方程，建立临界方程和临界方程法。

Then based on the time-distance equations which go through the critical point , the critical equation and the critical equation method can be constructed .

两种观测系统的共中心点时距曲线和迭加速度是不相同的，迭加后的t0时间也有一个时差存在。

The two kinds of detection system lead to different CDP time-distance curves and different stacking velocities , thus resulting in their t_0 moveout after stack .

文中按照精确的时距曲线公式建立了具有多个反射层的共炮点理论记录，包括直达波、浅层折射波，各层的反射波及折射波。

The accurate formula of time-distance curve is used to develop theoretical common shotpoint gather , which includes direct wave , shallow refracted wave , reflected waves and refracted waves in layered medium .

通过用水平界面各向异性介质时距曲线公式（Tsvankin1994）和波面计算法对相同模型的对比计算表明，本文的算法计算速度快，计算精度高，对介质不需做任何假设。

Comparison between results from time distance curve of horizontal surfaces ( Tsvankin 1994 ) and the wave face method in isotropic media with horizontal interfaces shows that the method is faster and more accurate .

本文讨论了四种垂向非均匀介质中地震波的时距曲线方程，分析比较了四类层状介质模型在不同速度函数近似下的射线路径和走时曲线误差；

The paper discussed four time-distance curve equation of seismic waves in vertical heterogeneous media ; analyzed and compared the errors of ray paths and travel-time curves under the approximation of different velocity function in four layered media models ;

根据共始点或共折射点记录的相似性，利用第一虚拟时距曲线方程，对时距曲线进行扫描计算，可以制作共始点谱和共折射点谱。

Based on the similarity of the Common Beginning Point ( CBP ) or the Common Refraction Point ( CRP ), the CBP spectrum or the CRP spectrum can be achieved through scanning the time - distance curve of the First Ghost T-D Equation .

本文从多层介质中折射波传播的基本理论出发，推出一组公式，在此基础上提出了解释平界面折射波时距曲线的计算方法。

Starting from the fundamental theory of the seismic refraction waves propagating from the multilayer medium , a set of formulas has been deduced . Based on these formulas , a computing method is proposed to explain the T-D curve of refractive waves on plane interfaces .

静校正就是研究由于地形起伏，地表低、降速带横向变化对地震波传播的影响，并对其进行校正，使反射波时距曲线近似为一条光滑的双曲线。

The static correction study because of the hypsography , the surface low , falls the speed belt lateral change to the earthquake wave transmission influence , and carries on the correction to it , causes the reflected wave distance curve approximately is a smooth hyperbolic curve .

本文介绍了折射静校，它利用折射波初至时间求得折射速度、延迟时间，从而恢复近地表深度模型，消除低降速带对反射时距曲线的影响。

Refraction statics is introduced in this paper which makes use of the first arrivals of refractions to obtain refraction velocity and delay time . Thus , near surface depth model can be restored and the influence of low velocity zones on reflection time distance curve can be eliminated .

在一个或多个直立速度界面的地质条件下，讨论了折射波的传播路径，推导出折射波的时距方程，给出时距曲线。

The propagation path of refraction wave in the presence of one or more vertical velocity interfaces is discussed .

条件下，各向异性P波反射时距具有各向同性P波反射时距近似的曲线特征。

Under certain conditions , the time-distance curve of reflected P-wave in anisotropic media has similar feature compared with isotropic case .