查询词典 laplace transform

In virtue of Laplace transform and Parseval equation, the global stability, error estimate is given.

借助于Laplace变换及Parseval等式，给出了全局稳定性的证明、误差估计及全局收敛性的结果。

The response is expanded in terms of the system eigenveetors by Laplace transform and partial fraction expansion.

文中证明了x对本征矢量的展开式，讨论了增加约束对本征振动的影响，定义了共振时的振功放大倍数。

Furthermore, the problem of coupled piezothermoelastic response of a piezoelectric cylinder of crystal class 6mm is investigated. Analytical solutions for this problem are successfully obtained by using Bessel-Fourier series expansion and Laplace transform. These solutions are helpful for study of the influence of coupling on the distribution of stresses, displacements, electric potential and other quantities as well as the role of inertia term.

研究了热电材料圆柱的瞬态压电热弹性响应问题，应用Bessel-Fourier级数展开和拉氏变换方法成功地求得了该问题的解析解，此解有助于研究瞬态响应问题中耦合效应对应力、位移和电势等物理量分布的影响以及惯性项的作用等问题。

Using Fourier series expansion,Laplace transform and state space technique,the exactand closed form TFM solutions of natural frequency and buckling loads of composite cylindricalshells under arbitrary boundary conditions and external disturbances are obtained.

基于线弹性小变形理论，利用Fourier级数展开、Laplace变换和摄动方法，建立了各向同性材料和复合材料薄壁圆锥壳的静力响应、频率响应、自由振动与屈曲特征值问题的渐近传递函数解。

Based on the first linearized Boussinesq equation, analytical solution of the transient groundwater model, which is used for describing phreatic flow in a semi-infinite aquifer bounded by a linear stream and subjected to time-dependent vertical seepage, is derived out by Laplace transform and the convolution integral.

在河渠边界控制下的半无限含水层中，对时变垂向入渗影响下的潜水非稳定渗流模型，利用Boussinesq第一线性化方法，通过Laplace变换并结合卷积原理，导出模型的解析解。

This paper is based on the operation matrix and develop a numerical inversion of Laplace transform method.

本文以运算矩阵为基础，发展出一个值的反氏转换问题。

With the Laplace transform method, the analysis methods of impacting process of linear system were discussed.

探讨了用Laplace变换原理分析线性系统碰撞接触过程的一般方法。

The Slant operational matrix of integration is used in this paper to solve the numerical inversion of Laplace transform.

本文以 Slant 转换的积分运算矩阵去求解值的反氏转换的问题。

The calculation of spontaneous emission of the two types of model can be performed by the Laplace transform.

采用拉氏变换的方法，越过粒子数随时间的变化的求解，利用Laplace变换直接得到了两种模型在上述三种热库环境下的自发辐射谱。

Laplace transform is used to obtain the analytical solutions and long-time/short-time asymptotic solutions of the model.

然而实际油气藏的分布和孔隙结构是相当复杂的，对于非欧几里得的非均质多孔介

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。