各向同性介质

本算法可以计算各向同性介质和横向各向同性介质中直达波、反射波和透射波的旅行时，并用来模拟地面地震勘探、VSP、井间地震。

The improved algorithm is applicable to the estimation of the travel times of direct , reflected and transmitted waves in isotropic medium or transversely isotropic medium ; besides , it may be taken to model surface seismic exploration , VSP and borehole seism .

采用光栅假设，对各向同性介质中的声光效应作了简要讨论，导出了第m级衍射光的衍射效率公式。

Adopting the tentation of raster , the acoustooptic interaction in isotropic medium is discussed , and the formula of diffractive efficiency for the diffractive beam is deduced .

弱横向各向同性介质中P波旅行时反演及速度分析

P-wave travel time inversion and velocity analysis in weak transversely isotropic media

3D横向各向同性介质中的体波

Body wave in 3D transversely isotropic medium

在此基础上具体讨论均匀、横观各向同性介质中的Green函数完备解。

On this basis , a discussion about the complete solution of the Green function for homogeneous , transversely isotropic medium is given .

各向同性介质中地震压力波的格子Boltzmann模拟

Lattice Boltzmann model for multi-seismic resources pressure wave in isotropic medium

本文利用横向各向同性介质（TIM）中的传播矩阵和面波形成条件，导出了面波波慢度方程。

With the propagating matrix in 2 D TIM wave slowness equations are derived .

用Hopfield神经网络反演横向各向同性介质参数

Transversely isotropic parameter inversion using Hopfield neural network

横向各向同性介质（TI）是地下各自异性介质的最常见形式，它可由五个弹性常数来描述。

Transversal isotropic medium is the most typical one of subsurface anisotropic media , and it can be described with 5 elastic constants .

利用VSP和跨孔走时反演横向各向同性介质中的弹性常数

Deriving the elastic constants of transversal isotropic medium from VSP and crosshole travel times

各向同性介质包覆单轴晶体TM波表面传播模式存在条件研究

Condition for the existence of surface TM modes at the interface between an isotropic medium and a uniaxial plasma anisotropic dielectric waveguide

计算表明，横向各向同性介质中的P波与SV波的相速度曲线不再是各向同性介质中的圆形。

The results show that the curves of the phase velocities of P wave and SV wave in vertical transvers isotropic media are not circular shaped .

研究了各向同性介质中任意形孔边径向裂纹对SH波的散射，求解了裂纹尖端的动应力强度因子。

Scattering of SH-wave by a radial collinear crack at the edge of arbitrary-shape-cavity in isotropy media is studied .

横向各向同性介质二维格林函数的F-K算法

A f-k domain algorithm of 2-D green 's function in tim

在分析3D横向各向同性介质中平面波的通解形式时，发现似P波、似SV波及似SH波是相互耦合的，且同时并存。

Analysing the general solution of plane wave in 3D transversely isotropic medium , we found that quasi P-wave , quasi SV-wave and qu - asi SH-wave are coupling and coexistent .

把流动中的散体看作弱横观各向同性介质，给出了P波、SH波和SV波的速度表达式，分析了它们在流动散体介质中的传播特点。

The flowing granular media are taken as weak transverse isotropic media , and the phase velocity expressions of P wave , SH wave and SV wave are deduced accordingly .

关于横向各向同性介质中的Thomsen参数取值的讨论

Discussion on taking values of Thomsen parameters in transverse isotropic media

此外，根据瑞利波由P波和S波振动叠加而成的特点，分析了无限半空间各向同性介质和横观各向同性介质中瑞利波的传播特性；

Rayleigh wave is a type of superimposition wave forming by vibration of P and S waves . According to the characteristic , the authors analyse the propagation characters of Rayleigh wave in isotropic media and horizontally isotropic media in semi infinite body .

但目前为止，这种DtN映照方法已经被用到含有各向同性介质的光子晶体中。

So far , the DtN map method has only been developed for PhCs composed of isotropic materials .

纵波在改进的弹性非线性法向变形行为单节理处的传播特性研究各向同性介质包覆单轴晶体TM波表面传播模式存在条件研究

Transmission of elastic P-wave across one fracture with improved nonlinear normal deformation behaviors Condition for the existence of surface TM modes at the interface between an isotropic medium and a uniaxial plasma

本文对各向同性介质和VTI介质中的转换波叠前时间偏移方法进行了总结和归纳，分析了每种方法优缺点和适用条件。

The paper summarizes some methods of prestack time migration for converted wave in isotropic and VTI medium .

根据这个特点，我们提出了用VSP和跨孔走时联合反演横向各向同性介质中弹性常数的方法。

On the basis of this characteristic , we put forward a new method for deriving elastic constants of transversal isotropic medium from VSP and crosshole travel times .

应用理论模型计算方法研究了具有垂直对称轴的横向各向同性介质中P波、SV波的传播规律和Thomsen参数对P波相速度的影响。

On the basis of Thomsen 's parameters , the features of P wave and SV wave , and the effects of Thomsen 's parameters on their features are studied using theoretical models and calculation method .

对于无扭曲，预倾角为0°的液晶体，在正入射的情况下，证明了扩展Jones矩阵法等效于各向同性介质中的传输矩阵法。

The equivalence between expansion Jones matrix method and transfer matrix method is proved in the situation of non-distorted , pretilt angle of 0 degree when normal incidence . The characteristics of the filter were examined by numerical simulation .

利用对应原理和FFT技术计算出了无限均匀各向同性介质中双力偶点源产生的位移场，并结合若干实例进行了分析和总结。

According to the correspondence principle and FFT , the author have calculated the displacement field of a double-couple point source in homogeneous , isotropic , unbounded medium . Correspondingly , some practical observation results have been summarized and analysed .

同时，还用TLM法计算了在二维非均匀各向同性介质中，点电流源情况下研究区域中的电位分布，其结果较为理想。

At the same time , this paper gives the method to compute the electric potential distribution of the non-uniform , heteropic medium in point current source .

根据Hudson等关于裂隙介质弹性系数计算的扰动理论及Bond变换矩阵原理，给出了各向同性介质中含多组垂直裂隙时等效弹性系数的计算方法。

Based on Hudson 's perturbation theory for calculation elastic constants of cracked media and Bond 's transformation matrix , the calculation method of equivalent elastic constants in a material with multiple sets of vertical cracks and isotropic background is deducted in the paper .

在采用各向同性介质中的Eshelby等效夹杂理论和连续介质损伤力学（CDM）方法建立的岩石损伤本构模型基础上利用对应性原理建立了岩石材料的损伤粘弹性本构关系。

Basing on a constitutive model for elastic and damage rock , which is set up using the Eshelby equivalent inclusion method and CDM , a damage viscoelasticity model for rock is deduced .

采用算子表示法，在F-K域内将横向各向同性介质中的波动方程进行算子分解，然后利用留数定理求出格林函数的解析解。

With operator method , we factorize the wave equation of transversely isotropic media in F-K domain , aPPly the residual theorem to get the analytical solution of the Green 's Function .

具有垂直对称轴的横向各向同性介质模型（VTI）是目前各向异性理论研究和多波多分量地震资料叠前成像处理中最常用的一种各向异性模型。

Transverse isotropy ( TI ) with a vertical symmetry axis ( VTI ) is the most common model for academic research on anisotropy and prestack imaging of multi-wave and multi-component reflection seismic data .