查询词典 variational equation

In this paper, a novel composite approach was developed, which was based on the partial differential equation and the fast marching method.

因此，本文提出了一种基于偏微分方程和快速步进法的初始化算法。

Furthermore, the paper puts forward a successful trial solution to solve the partial differential equation for that necessary conditions.

公式，提出了求解该一阶条件中的偏微分方程的成功率较高的试探求解法。

This paper is to investigate the numerical simulation of two partial differential equation boundary value problems on unbounded domains, which are derived from fluid dynamics.

本文研究两个由流体力学问题中得到的无界区域上的偏微分方程边值问题的数值模拟。

Abtract This paper presents researches into the on—line identification of dynamic parameters of synchronous generators and power systems. The work is mainly in the following two fields:Ⅰ On—line identification of transient and sub—transient parameters of synchronous generators A new corrected extended Kalman filter is developed, in which, a corrected term is added in the equation of the partial differentiation of the state variables with respect to the parameters.

本文研究了同步发电机和电力系统的动态参数的在线辨识，所做的工作主要在以下两个方面：一、同步发电机的暂态和次暂态参数的在线辨识本文提出了一个校正扩展卡尔曼滤波技术，在状态对参数的偏导方程中加入了一个校正项。

According to thermoelastic deflection of the V-shaped titled beam, the forth-factorially partial differentiation equation is used to describe the dynamic performance. Then the natural frequency and the mode of the actuator are obtained through analyzing of free vibration modal.

根据硅微致动器V型斜梁热弹性应力变形，推导出弯曲振动的四阶偏微分方程，通过其自由振动模态分析，得到了斜梁弯曲振动的各阶固有频率和振型。

Based on the assumptions of semi logarithmic relationship between coefficient of permeability and void ratio as well as the relationship between effective stress and void ratio of soil, the method of Lie Group Transformation is applied to solve the non linear partial differential equation of large strain consolidation of homogeneous saturated clay in semi infinite domain.

基于有效应力与孔隙比以及渗透参数与孔隙比之间的关系的一些假定，采用李群变换求解考虑材料非线性和几何非线性的半无限均质土体大变形固结非线性偏微分方程，得到了一个不考虑自重固结的完全解析解。

Customer satisfaction indices; linear structural equation model; partial least squares regression; analytic hierarchy process

顾客满意度指数；线性结构方程模型；部分最小二乘回归；层次分析法

Based on analysing the mechanism of substitution and compensation of ICT for labor in service sector, this dissertation constructed the cost function of translog form which was dual with the production function of the service sector, estimated the parameter of the share requirement equation affected by the factors of labor force, ICT and non-ICT, so that to calculate the Allen partial elasticity of substitution and the MES elasticity of substitution.

本文在分析 ICT 对服务业劳动的替代和补偿机制的基础上，建立与服务业生产函数对偶的超越对数形式的成本函数，估计出劳动力、 ICT 和非 ICT 等要素的需求份额方程的参数，以此计算 Allen 偏替代弹性和 MES 替代弹性。

Then flow conservation equation, k-ε turbulence model, particle movement model and numerical schemes are detailed.

较详细地介绍了CFD中流动控制方程、紊流模型、粒子运动模型，以及数值方法。

The new equation predicts that there is a "high-speed but low-mass" effect in the movement of particle, which can be tested by an experiment in the electron storage ring.

新方程具有现实的可验证性，它预言的一个效应可以在电子储存环上进行实验检验。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。