拉普拉斯变换

通过对动态光散射测得的电场－电场时间相关函数的拉普拉斯变换，求得平动扩散系数分布G（D）；

By doing the Laplace transform of precisely measured intensity-intensity time correlation function , we can get a translational diffusion coefficient distribution G ( D ); After combining the static and dynamic LLS results , i.

采用拉普拉斯变换、泰勒极数和线性逼近的方法，将分析模型简化，提出了两种简单而实用的PIN二极管仿真模型；

Using the Laplace transform , Tayler expansion and Asymptotic Waveform Evaluation ( AWE ) methods , simplifying the analysis model , obtaining two simple and applicable PIN diode simulation models ;

用拉普拉斯变换用MATLAB求解二阶电路微分方程验证了得到的各元件参数。

Secondly , solving differential equation in LAPLACE transformation with MATLAB validates the acquired parameters .

采用拉普拉斯变换交流阻抗测量方法，测量了铝在NaCl溶液中阳极极化后的瞬时阻抗。

The instantaneous impedance of Al in 1N NaCl at various polarization times has been measured using Laplace transformation method .

本文利用MATLAB求解《复变函数与积分变换》中的留数、有理函数展开、富里叶变换、拉普拉斯变换和线性微分方程组等若干问题。

Here MATLAB is utilized to solve several problems in Complex variable function & integral transform , such as : residue , rational function , Fourier transform , Laplace transform and system of linear differential equations .

在指定的控制微元内，通过对模型的假设和简化以及对系数T，X的常数化，并对该模型进行双拉普拉斯变换，获得了模型的解析解；

According to the assumptions of the model and simplified representation on the coefficients T , X regarded as constant , the analytic solution of this model has been gotten by implementing the double Laplace transformation on it .

文章利用Padé逼近理论和拉普拉斯变换理论研究了指数和逼近这一非线性逼近的问题，得出了指数和逼近的一种简易求法，并给出了数值例子。

In this paper , the exponential sum approximation is studied by utilizing Pad é approximation theory and Laplace transformation theory . A simple solution of exponential sum approximation is obtained and illustrating examples of numerical values are given .

目前，水平井试井数学模型的求解普遍采用拉普拉斯变换法、Newman乘积法、源函数法等方法实现。

At present , the mathematical model for the Laplace transform , Newman product method and the source function method and other methods are commonly used in the horizontal well testing .

考虑热量传播速度这一个因素，利用拉普拉斯变换对冲击加热半无限物体的瞬态导热方程进行了理论求解，并以V2A18%Cr。

This paper solves the transient conduction equation of thermal shock semi-infinite object by Laplace transform and takes the factor of heat propagation velocity into account . To aim at the effect of heat propagation velocity on the temperature we make detailed calculation with material V2A18 % Cr.

对工程中常用的发生质量和刚度突变或加有粘弹性阻尼材料的组合L形板结构进行了振动功率流研究.应用拉普拉斯变换和迁移矩阵方法得到了板的挠度表达式以及其它的物理量。

Abstract : Vibrational power flow on combined plates with a change in mass and stiffness or with viscoelastic damping layer used widely in engineering is studied .

将动态称重系统等效为二阶系统，推导出了其动、静态数学模型，然后进行拉普拉斯变换和Z变换，将模型转化成自回归滑动平均模型（ARMA），将问题转化为参数辨识问题。

Dynamic weighing system is as a second-order system and set it up model , then has its transform function laplace transform and Z transform , at last the Auto-Regressive-moving-Average ( ARMA ) model for the second order weighing system is derived .

MathCAD组合了一个庞大的功能库，包括微积分、拉普拉斯变换、贝塞尔函数、统计和财务函数。

MathCAD combines a large library of functional capability including calculus , Laplace transforms , Bessel functions , statistics , and financial functions .

摘要本文依据活塞受热特点，以RMMorse和HFeshbach提出的双曲线型导热方程为基础，建立了一种分析活塞热冲击问题的数学模型，并利用拉普拉斯变换对其进行求解。

According to the thermal loading conditions of piston , a mathematical model for piston thermal shock problem was set up on the basis of the hyperbolic conduction equation proposed by R. M. Morse and H. Feshbach , and was solved by Laplace transform method .

由随机回应模型和连续时间马尔可夫链，通过双拉普拉斯变换将RRM与系统组构成为一种新的马尔可夫概率模型。

The RRM and system , from stochastic repayable model ( RRM ) and continuous time Markov chain ( CTMC ), were composed into a new Markov probable model ( MPM ) through both Laplace transformation .

我们用某一位势测度来推导Gerber-Shiu函数满足的积分方程，并由此来确定Gerber-Shiu函数的拉普拉斯变换和它满足的瑕疵更新方程。

We derive the integro-differential equations for the Gerber-Shiu functions by using some potential measures , and then determine the Laplace transforms and defective renewal equations for the Gerber-Shiu functions .

方法应用微分方程和拉普拉斯变换的理论。

METHODS Based on theory of differential equation and Laplace transformation .

关于应用拉普拉斯变换分析复杂线性动态电路的探讨

Application Research of Laplace in Analysis of Complicated Linear Dynamic Circuit

对该类风险模型，利用拉普拉斯变换和所满足的微分方程，给出了破产概率的递推计算公式，从而解决了最终破产概率的近似求法。

Recursive formulas are developed for approximating the ultimate ruin probability .

求解对流－弥散问题的混合拉普拉斯变换有限单元法

Hybrid Laplace transform finite element method for solving the convection-dispersion problems

控制工程中常用拉普拉斯变换对的准确表达

Accurate Express of Common Laplace Transform Pair in the Control Engineering

用拉普拉斯变换求梁的内力和变形

Seeking for Internal Force and Deformation of Beam with Laplace Shift

求解地下水流问题的混合拉普拉斯变换有限差分法

Hybrid Laplace Transform Finite Difference Method for Transient Groundwater Flow Problems

卷积积分和拉普拉斯变换在一阶电路中的应用

Applications of Convolution Integral and Laplace Transform in First-order Circuit

运用拉普拉斯变换求广义积分的值

Utilize Laplace Transform for solving the value of Infinite form Generalized Integration

拉普拉斯变换在纸张力学特性研究中的应用

Application of Laplace Transform in the Study of Mechanical Properties of Paper

利用拉普拉斯变换，将定解问题转换到拉普拉斯域内求解。

With Laplace transforms , the question can be solved in Laplace d.

用拉普拉斯变换法求解蜂窝蓄热体气固温度分布

Solutions to Temperature Profile of Honeycomb Regenerator through Laplace Transformation

试井分析中的离散数据拉普拉斯变换方法

Laplace transform method of discrete data in well test analysis

应用拉普拉斯变换推导峰电流与极限电流的关系

Relations between the Peak Current and the Limit Current from Laplace Transform

用拉普拉斯变换求特殊电路的暂态响应

Solving Transient State Responses of Special Circuits With Laplace Transformation