摄动理论

SU（1,1）相干态在参量摄动理论中的应用

Application of SU ( 1,1 ) Coherent States to the Parameter Perturbation Theory

提出了一种基于矩阵摄动理论和单元能量比率的改进的r收敛和h收敛自适应有限元方法。

In this paper , the improved r and h adaptive finite element method based on matrix perturbation theory and element energy ratio is proposed .

我们根据奇异摄动理论和Green函数方法建立起一种适合求解这类问题的差分格式。

Based on singular perturbed theory and Green 's function , we have established the difference scheme that is suited for the solution to the problems .

PEBS法理论中应用奇异摄动理论的必要条件

Necessary conditions for invoking the singular perturbation theory in the theory of the PEBS method

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。

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

基于渐近摄动理论和Galerkin方法，本文提出分析结构非线性问题的杂交可变基Galer－kin方法。

Based on the asymptotical perturbation method and the Galerkin technique , the hybrid changeable basis Galerkin technique is presented for predicting the nonlinear response of structures .

基于摄动理论，推导出结构的频率变化比为结构损伤位置的函数，以此为损伤指标，结合BP网络进行结构损伤识别。

Based on the perturbation theory , it is proved that frequence changes ratio is the function of structural damage location . With it as the damage index , the BP network is applied to the structure damage identification .

同时结合n维Radon变换和摄动理论提出了一种既能用于地面资料又能用于VSP资料的偏移方法。

A new approach to wave equation migration is given based on n-D Radon transform formulas and perturbation theory . The method can handle both horizontal seismic data migration and VSP migration .

为了满足大行星卫星的高精度CCD位置观测与运动理论研究工作的需要，采用天王星5颗主要卫星摄动理论模型（Gust86）作为核心，设计了一个天王星视位置可视化软件。

In order to meet the need of getting high precision of the CCD observations for the positions of the planets'satellites and studying their motion , a software which visualizes the positions of the Uranus ' five major satellites has been designed .

利用奇异摄动理论对矩形域内二阶椭圆型奇异摄动方程的Dirichlet问题建立了边界层格式，并作出了误差估计。

Using singularly perturbation theory is constructed the boundary layer scheme for a Dirichlet problem for the second order singularly perturbed equation of elliptic type in the rectangle . The error estimate is given .

讨论了矩阵摄动理论结合Pad啨逼近在结构拓扑修改重分析中的应用，利用分步迭代的方法来取得高精度的近似解。

Based on the perturbation of matrix and Pad é approximation , a new method for static displacement reanalysis of structure is developed , where a transitional matrix is built and the exact solution is obtained with the original factorization information .

用奇摄动理论研究一类强非线性方程的Robin问题，讨论了边界条件对问题解渐近性态的影响。

By means of the theory of singularly perturbation , Robin problems of a class of strongly nonlinear equations are considered . The infection of the boundary condition on the asymptotic behavior of the solution of the problem is studied .

指出产生发散困难的原因在于M-B在子动力学中引入的涨落产生算子的概念对多重时间尺度的摄动理论是不适用的。

It is pointed out that the divergence difficulty arises from the failure of the concept of fluctuation production operator introduced by MB in their sub-dynamics for the multiple-time-scale perturbation theory .

文章讨论一类大气物理中海-气现象的ENSO模型，在一定条件下，利用摄动理论和方法较简捷得到相应非线性问题解组的任意次近似的渐近展开式。

In this paper , the sea-air phenomena ENSO in a class of atmospheric physics is discussed . Under suitable conditions , using a perturbed theory and method , we obtain simple and rapid arbitrary order to approximate asymptotic expansion of solution for the corresponding nonlinear problem .

利用Guyan静态缩聚技术进行有限元模型缩聚，采用最小秩摄动理论进行有限元模型修正，对比研究了基于数值模拟数据和试验实测数据的损伤位置判定及程度评估的整个过程。

Guyan reduction and the minimum rank perturbation theory were used to reduce and modify the finite element model respectively . The whole damage location and extent evaluation procedure based on the numerical data and experimental data are compared .

结合描述硬球固体Helmholtz自由能的自由体积方法与描述硬球固体径向分布函数的拟合的分析表达式与一阶热力学摄动理论，用于描述LennardJones（LJ）固体的Helmholtz自由能。

Both a free volume approach for Helmholtz free energy and a theoretically-based fitted formula for radial distribution function ( rdf ) of hard sphere solid were employed to describe the Helmholtz free energy of Lennard-Jones ( LJ ) solid in the framework of first order thermodynamic perturbation theory .

基于摄动理论的爆高确定方法研究

On the Method of Determinating Explosion Height Based on Perturbation Theory

飞机横侧动稳定性及反应的奇异摄动理论

Singular perturbation theory of lateral dynamic stability and response of aircraft

非线性问题的摄动理论和渐近方法及其进展

Perturbation theory with asymptotic methods for solving nonlinear problems and recent advances

利用摄动理论，求解出船舶运动响应；

The motion responses are obtained with the perturbation motheds .

低浓度固液两相流中泥沙垂直分布的摄动理论解释

Interpretation of vertical sediment distribution in terms of perturbation theory

基于奇异摄动理论的电力系统动态仿真的一种新算法

Simulation of Power System Dynamics By The Singular Perturbation Technique

摄动理论在求解流固耦合渗流问题中的应用

Application of perturbation theory in solving fluid-solid coupling seepage flow

基于奇异摄动理论的非仿射系统的输出调节问题

Output regulation of nonaffine systems based on singular perturbation theory

奇异摄动理论研究在华东师范大学的发展

Research of Singular Perturbation Theory in East China Normal University

基于奇异摄动理论控制器的设计与仿真

Design and Simulation of Controller Based on Singular Perturbation Theory

奇异摄动理论在倾斜转弯导弹自动驾驶仪设计中的应用

Design of a bank-to-turn autopilot applying the singular perturbation theory

高超声速钝体绕流的奇异摄动理论

Singular perturbation theory of hypersonic flow over blunt bodies

基于奇异摄动理论的电驱动机器人神经网络控制

Neural Network Control of Electrically - driven Robot Based on Singular Perturbation Theory

四阶方程奇摄动理论的边界层估计

Boundary layer estimation of an equation of order 4