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stratified media     
相关语句
  层状介质
     Two physical quantities, β1 (the ratio of B to P components of displacement) and β2 (the ratio of B to P components of stress), are defined for Rayleigh wave. By the theoretical and numerical analyses, it is found that β1 and β2 ard closely related to the stratified structure of media, gi and β2 are two important physical quantities for the exploration of the structure of the interfaces of layers in stratified media.
     定义了关于Rnyleigh面波的两个物理量β1(位移的民P分量比)和β2(应力的B,P分量比),经理论及数值分析发现:β1和β2与介质的层状结构密切相关,是对层状介质进行分析和判断的两个重要物理量。
短句来源
     THE PST ALGORITHM OF THE INVERSE PROBLEM OF SEISMIC PROSPECTING IN STRATIFIED MEDIA
     层状介质中地震勘探反演问题的PST算法
短句来源
     Inversion Research on Elastic Parameters of Stratified Media
     层状介质弹性参数反演研究
短句来源
     The thin layer method(TLM) is a semi-analytical and semi-numerical approach for the analysis of elastic wave propagation in stratified media.
     薄层法是分析和模拟弹性波在层状介质中传播的一种半解析半数值方法。
短句来源
     By recommanding the absorption boundary condition in developing the combinational method of partial separation of variables and finite differences for computing theoretical seismograms in stratified media,the computation process could be simplified.
     然后发展了计算层状介质理论地震图的部分分离变量—有限差分方法,其最重要的环节是引用了吸收边界条件,使计算工作得以简化.
短句来源
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  分层媒质
     Previous studies of wave propagation in stratified media by Abeles were extended to wave propagation in a tunnel thin film which can generate frustrated total reflections.
     为能将隧道薄膜与光存储分层媒质看成一个整体膜系分析固体浸没透镜的透过率,将Abeles的光波在介质分层媒质中的传播理论和分析方法扩展到了隧道薄膜。
短句来源
     Parameter Inversion of Stratified Media Based on Time Domain Reflection Data
     基于时域反射数据的分层媒质的参数反演
短句来源
     A full-wave hybrid algorithm that combines the finite difference time-domain (FDTD) method and the dyadic Green's functions for cylindrically stratified media is used to analyze the impedance and radiation characteristics of this antenna, as well as the mutual coupling effects between the two antenna elements.
     利用时域有限差分法(FDTD)结合圆柱分层媒质中谱域并矢格林函数的混合方法对该天线进行了全波分析,给出了天线单元的阻抗特性、辐射特性以及两天线单元间的互耦特性.
短句来源
     Full-wave analysis of this antenna is implemented based on the new method that combines the conformal FDTD method and the dyadic Green's functions for cylindrically stratified media.
     基于共形FDTD法结合圆柱分层媒质中并矢格林函数的新方法 ,对此类天线的近场和远场特性进行了严格的全波分析。
短句来源
     The Use of a Modified Geometric Optics Method in Stratified Media
     修正的几何光学近似方法在平面分层媒质中的运用
短句来源
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  分层介质
     The results of the experiment on a model of artificial stratified media on outdoor site show that the bjstatic FM-CW radar has the ability to map stratified media. The vertical resolution is 45cm (when ε=1).
     初步的实验结果表明,双站FM-CW雷达具有测定分层介质的能力,其纵向分辨力为45厘米(当ε=1时)。
短句来源
     The dispersive characteristics of the Rayleigh waves propagated in a stratified media were analyzed by a time-frequency analysis method,the Reassignment of Smooth Pseudo-Wigner Ville Distribution(RSPWVD). Theoretical simulations and experiments were implemented for the homogeneous half-space and the two-layered half-space.
     对分层介质半空间瑞利波的频散特性,用一种时频分析方法——重排的平滑伪魏格纳维尔分布(RSPWVD,Reassign- ment of Smooth Pseudo-Wigner Ville Distribution)进行了分析和研究。
短句来源
     Energy distribution of surface waves in stratified media
     分层介质中面波的能量分布
短句来源
     Static Green's functions in coaxial cylinder with stratified media
     屏蔽同轴圆柱分层介质的静态格林函数
短句来源
     Time-frequency analysis of the dispersive Rayleigh waves in stratified media
     分层介质半空间瑞利波的时频分析
短句来源
更多       
  成层介质
     Computation of viscoelestic wave in stratified media
     水平成层介质中粘弹性波的计算
短句来源
     A.C.LOGGING RESPONSE IN STRATIFIED MEDIA
     成层介质中交流电测井响应
短句来源
     FAST ALGORITHM FOR THE COMPUTATION OF GREEN'S FUNCTION FOR POTENTIAL IN STRATIFIED MEDIA
     成层介质中位场格林函数的快速算法
短句来源
     A new method to calculate elastic and viscoelastic wave in stratified media is presented in thispaper,and problems of line sources and point sources are discussed here.
     本文提出了一种水平成层介质中弹性波粘弹性波计算的新方法,分别研究了线源和点源作用情况。
短句来源

 

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      stratified media
    Propagator matrix formulation of heat transfer in spherically stratified media
          
    We prove asymptotic completeness for acoustic propagators in perturbed stratified media by a simplified Enss's method.
          
    Asymptotic completeness for acoustic propagators in perturbed stratified media
          
    First integrals and turning points for wave propagation in planarly-stratified media
          
    The reflection, refraction and transmission of dilatational waves through stratified media is studied by numerical simulation and spectral analysis.
          
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    The problem of inverse scattering has received increasing attention in recent years.This paper is a mini review concerning only the methods of inverse scattering in electro-magnetics. They are: 1. Bojarski-Lewis method, 2. Use of inverse boundary conditions,3. Use of ramp response waveform. Inverse scattering in stratified media is mentionedbriefly.

    最近逆散射问题引起愈来愈多的关注,本文只对电磁逆散射问题的求解作一简短评述,这些方法是:1.玻加斯基——路?斯法,2.应用求逆边界条件法,3.应用坡跃响应波形法。分层媒质的求逆问题作了简短介绍。

    With the normal and abnormal vector wave functions and their conversion relations, the multipole expansion expression of radiation and scattering fields for the buried object in the stratified media is presented. The result coincides with the formula derived by Prof. K. K. Mei, but the proving is simpler and more reasonable. This technique and computation can be applied to some other boundary value problems in which boundary conditions must be described with spherical and rectangular coordinates.

    本文用标准和非标准圆球矢量波函数及其相互转换关系严格导出平面分层媒质中埋入体电磁辐射和散射场的多极子展开式。其结果与K.K.Mei教授的相同,而本文的证明更简便合理。这种方法和计算结果,可以直接应用于其它边界条件需要同时使用圆球坐标和直角坐标描写的边值问题,或自然资源的微波遥感模式理论。

    In this papar the general expressions of stratified media dyadic Green'sfunction for both plane wave and cylindrical wave expansions are given.The derivation of the transmission coefficients in these expressions usingthe method of wave matrix is also given.

    本文给出了分层介质中水平和垂直偶极子用平面波和柱面波展开时并矢格林函数的一般表示式,并给出了应用波矩阵方法推导表示式中的传输系数的方法。

     
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