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.

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.

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。

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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.

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%C r。

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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.

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。

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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.

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。

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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.

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；

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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.

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。

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

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。

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

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。

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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;

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；

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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.

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）；

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In the condition of not involving compactness type, the existence of extremal solution for ordinary differential equation in Banach space was proved.

在不涉及紧型条件的情形下，证明了Banach空间中一类常微分方程的最小、最大拟解对的存在性。

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Analyzing the Measures of the Precaution and Segregation to Effect the Incidence of the SARS by the Model of the Differential Equations

用常微分方程模型分析预防和隔离措施对SARS发病率的影响

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By means of Laplace transformation and cosine transformation, two ordinary differential equations with respect to and, the Fourier components of E and S, are obtained.

通过Laplace变换和余弦变换得出E、S的Fourier分量c、c的常微分方程及其解析形式。

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The Estimation of Solution of Nonlinear Perturbed Ode Via Liapunov Direct Methods

用Liapunov直接方法估计非线性扰动常微分方程的解

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This article introduced a new Lorenz-like system of three-dimensional quadratic autonomous ordinary differential equations.

提出一种新的类Lorenz系统，它具有三维二次型的自治常微分方程组形式。

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SU ( 1, 1) Spectrum Generating Algebra and The Spectrum of Ordinary Differential Equation of the Second Order

su（1,1）谱生成代数与二阶常微分方程的谱

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A nonlinear ordinary differential equation system is studied with periodic coeffients which is the extended simplified Brusselator model.

研究了一个以周期函数为系数的非线性常微分方程系统ESB模型。

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On the Attainable Highest Order and Stiffly Stability of Second Derivative Methods for Numerical Solution of Ordinary Differential Equations

关于数值求解常微分方程的二阶导数方法的最高可达阶及其Stiff稳定性

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Generalized Quasi-Solutions Pair of Two-Point Boundary Value Problems of Second Order Ordinary Differential Equations In Banach Spaces

Banach空间中二阶常微分方程的两点边值问题的广义拟解对

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Il ′ in Difference Scheme of a Semilinear Singular Perturbation Problem for Ordinary Differential Equation with the Turning Points

具转向点常微分方程半线性奇摄动问题的Il′in格式

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