perturbation method

用法例句

Interpretation of vertical sediment distribution in terms of perturbation theory;

低浓度固液两相流中泥沙垂直分布的摄动理论解释

Analysis of Perturbation Resistance of Vehicle Two-dimensional Impact Models on Perturbation Theory;

基于摄动理论的汽车二维碰撞模型抗干扰性分析

Experimental research on damage detection of cantilever beam based on frequency perturbation theory

基于频率摄动理论识别悬臂梁损伤方法的试验研究

Using the periodicity assumption and asymptotic expansion of the displacement, the micro governing equation concerned with microstructure of jointed rock is derived by perturbation method.

假定节理岩体具有均质的宏观结构和非均质的周期性分布的细观结构,利用均匀化方法,根据材料周期性特点,通过摄动理论建立依赖于两尺度坐标变量而变化的渐进位移场,推导出反映节理岩体细观结构的控制方程,并结合有限元法,数值模拟得到其宏观等效弹性模量。

A new perturbation technique is proposed, which, in contrast to the traditionalperturbation methods, does not require small parameters in the equations.

这种方法有别于传统的摄动理论，它不依赖于小参数，而是应用同伦技术，构造一个含嵌入参数的方程，然后把嵌入参数作为“小参数”。

In contrast to the traditional perturbation methods, the proposed method does not require small parameter in the solution of a nonlinear differential equation.

这种方法有别于传统的摄动理论,它不依赖于小参数,而是应用同伦技术,构造一个含嵌入参数p∈[0,1]的方程,然后把嵌入参数作为“小参数”,因此这种新方法可以克服传统摄动理论的不足,而又可充分应用各种摄动方法。

From the formulation,using the Hamiltonian perturbation theory,effective Boussinesq equations that describe the motion of bidirectional long waves and unidirectional equations that are similar to the KdV equation for the case in which the bottom possesses short length scale were obtained.

从该公式出发,应用Hamilton摄动理论,导出了底地形短尺度变化下描述双向长波运动的有效Boussinesq方程和描述单向长波运动的近似KdV方程。

By means of a double perturbation argument, a positive radial solution u∈C1(BR\{0})∩C(BR) is obtained.

利用双摄动理论,首先对参数0<ε<1考虑一组逼近问题-div(|▽u|p-2▽u)=logεu2+uε+uε+εε+h(x)uq解的存在性。

The matrix perturbation theory to eigen equation [A][u]=λ[u]is investigated, in which 1-3 order perturbation solutions to eigen value λ and eigen vector[u]are further given.

本文研究本征方程［Ａ］［ｕ］＝λ［ｕ］的矩阵摄动理论，进而给出了本征值λ和本征矢［ｕ］的１－３阶摄动解，并应用于微波谐振腔的具体实例。

A partial inverse scattertng method for a three-dimensional, arbitrarily shaped heterogeneous biological body is presented by using a matrix perturbation theory.

本文提出任意形状三维有耗生物体局部逆散射的矩阵摄动理论。

Study on Damage Identification Method Based on the Frequency Change and Element Matrix Perturbation Theory;

基于频率变化与单元矩阵摄动理论的结构损伤识别方法研究

Experimental research on damage detection of cantilever beam based on frequency perturbation theory

基于频率摄动理论识别悬臂梁损伤方法的试验研究

Trajectory tracking control for robot manipulators with bounded inputs based on the singular perturbation theory

基于奇异摄动理论的输入有界机器人轨迹跟踪控制

Asymptotical Stabilization of Nonaffine Nonlinear Systems Using Singular Perturbation Theory

基于奇异摄动理论的非仿射非线性系统的渐近稳定(英文)

Output regulation of nonaffine systems based on singular perturbation theory

基于奇异摄动理论的非仿射系统的输出调节问题

Using the perturbation theory and perturbative method, the uniformly valid asymptotic expansions of the solution for a class of ENSO model are obtained easily.

利用摄动理论和方法,较简便地得到了一类ENSO模型解的一致有效的渐近展开式.

On Multi-phase Theory of Oxygen Uptake Kinetics in Exercise and Its Mechanism in Physiology

运动中摄氧量动力学的多相理论与生理机理

Application of 3D Animation Technology in Photography Theory Teaching

三维动画技术在摄影理论教学中的应用

Perturbation to Symmetries and Adiabatic Invariants for Nonholonomic Mechanical Systems;

非完整力学系统的对称性摄动与绝热不变量理论研究

The Theory of Differential Inequalities and Its Application to Singularly Perturbed Nonlinear Boundary Value Problems;

微分不等式理论及其在奇摄动非线性边值问题中的应用

Perturbation to Symmetries and Adiabatic Invariants for Mechanical Systems in Terms of Quasi-coordinates

准坐标下力学系统的对称性摄动与绝热不变量理论研究

Perturbed Numerical Algorithm of Nonprobabilistic Convex Set Theoretical Models for Temperature Field

温度场的非概率凸集合理论模型的摄动数值解法

Methods According to the limearized theory and the weakly nonlinear theory, the perturbation method is used.

方法根据线性化理论与弱的非线性理论，运用奇异摄动的方法进行研究。

Solution to the quadratic singularly perturbed problem with Robin boundary conditions based on the fixed-point theorem

2次奇摄动Robin问题的不动点原理解法

The Classroom Teaching Research Based on Whitehead s Theory of Prehensions;

基于怀特海摄入理论的课堂教学研究

Researching Direction of Reportage Photographic Theory in teh Digit Times;

数字化时代新闻摄影理论的研究方向

The Comment on the Prominence of the Aesthetic Feeling in the Emotion and Reason in Photography Twinkling;

论摄影瞬间中情感与理智的美感凸现

Then the stochastic variational principle is formulated.

并由此推导了二阶摄动随机变分原理。