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multilayered media     
相关语句
  多层介质
     Investigation on the Propagation Characteristics of the Cylindrical Waveguide Filled with Multilayered Media
     填充多层介质的柱形波导传播特性研究
短句来源
     The energy distributions of guided waves in multilayered media have been investigated in three dimensions in B, P, C coordinate system. A method of calculating the displacement and energy flux density at large depth was presented, and the problem of precision loss was avoided.
     在三维情况下,利用B,P,C坐标系研究了水平多层介质中导波的能量分布,提出了一种计算大深度处位移和能流密度的方法,避免了精度丢失问题。
短句来源
     DIRECT ALGORITHM OF CALCULATING THE RAY-PATHS IN MULTILAYERED MEDIA
     多层介质射线轨迹的直接算法
短句来源
     No investigations are related to the regular cylinderical metal waveguides or coaxil lines filled with multilayered media.
     本文主要研究几种类型的填充多层介质的金属柱形波导和同轴线的传播特性。
短句来源
     For examining the efficiencg of this method,numerical results of a multilayered media model are given.
     为了检验本方法的功能,我们给出了一个多层介质模型的数值计算结果。
短句来源
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  层状介质
     THE δ MATRIX METHOD FOR THE DISPERSION FUNCTION COMPUTATION OF AXISYMMETRICAL CYLINDRICAL RAYLEIGH WAVE IN MULTILAYERED MEDIA
     计算层状介质中轴对称柱面瑞利面波频散函数的δ矩阵法
短句来源
     Research on the dispersion of rayleigh waves in multilayered media
     层状介质中瑞雷面波的频散研究
短句来源
     A fast vector transfer algorithm for the computation of Rayleigh wave dispersion curves in multilayered media was presened based on axisymmetric cylindrical Rayleigh waves. The dispersion equation is similar to Menke's E vector up transfer form. The up transfer matrix F is the product of three five order matrices.
     基于轴对称柱面瑞利面波 ,得到了一种计算层状介质中瑞利面波频散曲线的快速矢量传递算法 ,频散方程类似 Menke方法的 E矢量上传形式 ,上传矩阵 F为 3个五阶矩阵的乘积形式 ,提高了计算速度 ,而且各矩阵的元素均为无量纲量且为实数值 ,避免了以往方法中同一矩阵中各元素的数量级相差较大、出现复数运算的缺陷 ,提高了计算的精度及稳定性 .
短句来源
  分层介质
     Numerical analysis methods for electromagnetic radiation and scattering by objects in planar multilayered media have urgent need in many applications such as integrated modeling of radar targets and environments, geophysics exploration, remote sensing, microstip antenna and circuit simulation and signal integrality analysis and so on.
     平面分层介质中的电磁辐射与散射数值分析在雷达目标与环境一体化建模、地球物理探测、遥测遥感、微带天线或电路仿真和信号完整性分析等诸多领域具有强烈的工程应用需求。 本文深入研究了求解平面分层介质中三维目标电磁散射的积分方程方法及其关键技术。
短句来源
     The author's major contributions are outlined as follows:1. The basic principle and operating process of the computation of the spatial Green's functions of planar multilayered media with discrete complex image method (DCIM) are investigated.
     1.系统地研究了离散复镜像法(DCIM)快速求解平面分层介质的空间域格林函数的基本原理和操作过程。
短句来源
     Numerical analysis methods for electromagnetic radiation and scattering by objects in planar multilayered media have urgent need in many applications such as radar targets and model, geophysics exploration, remote sensing, microstrip antenna and circuit simulation and signal integrality analysis and so on.
     平面分层介质中目标的电磁辐射与散射数值分析在雷达目标建模、地球物理探测、遥测遥感、微带天线或电路仿真和信号完整性分析等诸多领域具有广泛的工程应用需求。
短句来源
     Some scattering electromagnetic problems in the multilayered media are analyzed using the Half-space Green’s functions in this paper.
     本文采用半空间格林函数分析分层介质中的电磁场散射问题。
短句来源
     Studies of Algorithm and Its Application for Electromagnetic Characteristic of Objects in Multilayered Media
     分层介质中目标电磁特性算法与应用研究
短句来源
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  “multilayered media”译为未确定词的双语例句
     THE COEFFICIENTS OF SCATTERING DGF IN MULTILAYERED MEDIA
     多层媒质中散射DGF的系数
短句来源
     The relationship between the dispersion curve of Rayleigh wave and the structure of multilayered media is nonlinear,so the inversion method of the dispersion curve should be nonlinear.
     由于地下层状结构与面波频散曲线之间是一种高度非线性关系,所以面波频散曲线的反演方法应该采用非线性的反演方法。
短句来源
     The inversion to the time domain of the effective relaxation moduli and the effective Poisson coefficients of multilayered media is carried out when the Burgers model is used to represent the viscoelastic behavior of the matrix. Finally,comparisons with experimental results and other results are presented.
     通过Burgers模型表示线粘弹性基体材料,反演得到了多层材料的有效松弛模量和有效泊松比在时间域中的表达式,并且与实验结果和其他结果进行了比较。
短句来源
     Using a general model for sound reflection from multilayered media, we present in this paper the expressions for sound reflection and transmission coefficients on voidcontaining interface layer in solid and derive the characteristic equation for symmetric and antisymmetric modes of the interface waves along the layer.
     本文利用固体层状媒质声反射模型,给出了固体中含气泡层声反射和透射系数的表达式,并由此导出沿固体中含气泡薄层对称和反对称模式界面波的特征方程式。
短句来源
     Research on Integral Equation Method and Its Key Techniques for EM Scattering by Three-Dimensional Objects in Multilayered Media
     分层介质中三维目标电磁散射的积分方程方法及其关键技术
短句来源
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  multilayered media
For multilayered media the microstress and strain tensors are constant in each constituent.
      
The exact boundary value problem is solved for a single layer and extended to multilayered media by generalizing theHaskell's technique.
      
By suitably adjusting the elastic constants, the results for multilayered media with transversely isotropic layers, or layers with cubic symmetry, or isotropic layers can easily be obtained from the general formulation.
      
The plane multilayered media consist of N different generally orthotropic, homogeneous and linearly elastic layers with different ply angles.
      
By suitably adjusting the material constants, solutions for the case of isotropic, homogeneous and linearly elastic multilayered media and for some special cases including two different functionally graded layers are also obtained.
      
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In this paper, a direct algorithm of calculating the ray-paths in multilayered media has been put forward. Compared with the Chander's iterative solution of the non-linear equation, the workload of the algorithm is much less than that of the Chander's. In case the transmitting and receiving points were given, the convergence of the ray-tracing only depends on the figure of the reflection and has nothing to do with the algorithm itself.

本文提出了一种多层介质射线轨迹的直接算法.这种算法比Chander的非线性方程迭代解法工作量要省得多;在给定发射点和接收点的情况下,射线追踪过程能否收敛只决定于反射界面的形状,而不决定于算法本身.

In this paper a new method is developed for solving the dynamic problems of elastic wave propagation. It is suitable for tayered media and buried point source model. The method is based on a combination of partial separation of variables and finite difference techniques. It has wide zene of computational freqtcency, high accuracy and good stability. For examining the efficiencg of this method,numerical results of a multilayered media model are given.

本文提出一种适用于层状介质、埋藏点源模型的,求解弹性波传播动力学问題的部分分离变量—有限差分方法。它具有计算频域宽、精度高、稳定性好的特点。为了检验本方法的功能,我们给出了一个多层介质模型的数值计算结果。

Based on the Born approximation, an analytical theory for computing the electromagnetic field in weak fluctuating multilayered media with source is developed. In the theory, the source can be placed in an arbitrary layer among N-layers of the media. On the assumption that every layer among N-layers of the background media is isotropic and varies sufficiently slowly along the vertical position, the average and scattering fields represented by their reflection" cofficients, transmission coefficients,...

Based on the Born approximation, an analytical theory for computing the electromagnetic field in weak fluctuating multilayered media with source is developed. In the theory, the source can be placed in an arbitrary layer among N-layers of the media. On the assumption that every layer among N-layers of the background media is isotropic and varies sufficiently slowly along the vertical position, the average and scattering fields represented by their reflection" cofficients, transmission coefficients, impedances, admittances and wave number ratios are obtained by W. K. B method and the dyadic Green's function of electric and magnetic typed.

本文在Born近似下提出了求解含源多层随机介质的电磁场的并矢格林函数方法。激发源可以在N层随机介质中的任意一层。在背景介质的任一层均为各向同性慢变分层的假定下,利用W.K.B近似及电型和磁型并矢格林函数,导出了N层介质中任意一层中的平均场和起伏场,并用反射系数、透射系数、阻抗、电导和波数比等物理量表示。

 
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