invariant central manifold

General programming method for calculating center manifold;

计算中心流形的通用程序方法

As to the model of a reactor, in which single group delayed neutron and power reactivity feedback are taken into account, it is judged that the model is unstable from dimension reducing by center manifold theory in this paper.

针对考虑单组缓发中子和反应性功率反馈的反应堆模型,利用中心流形定理对模型降维处理后判断是不稳定的。

The high-dimensional system was transformed into a lower-dimensional one by center manifold theorem.

利用中心流形定理将系统降维,然后应用Hopf分叉的复数正规形法判别了极限环的稳定性,所得结果与数值解吻合。

The centre manifold theory is used to reduce dimensions of the system.

应用中心流形理论将四维系统降为二维系统,用后继函数判别法对分岔点的真假中心及稳定性问题进行了分

The theory of centre manifold is first used to reduce the flutter system to a two-dimensional one.

应用中心流形理论将二元机翼颤振这一四维系统降为二维系统，用后继函数判别法对分叉点的真假中心及稳定性问题进行了分析。

With the use of centre manifold and dynamic system theory, the necessary and sufficient conditions are obtained for the solvabilities of the output regulator problems for the general nonlinear discrete_time system.

本文用中心流形理论及动力系统方法，得到了一般非线性离散时间系统的输出调节问题可解性的充分必要条件·该工作推广了Ｉｓｉｄｏｒｉ和Ｂｙｒｎｅｓ关于仿射非线性连续时间系统所得到的相应结论

Then on the basis of invariant manifold theory and Poincaré section,a transfer trajetory between L1 and L2 of the Earth-Moon system was given.

然后基于不变流形理论和庞加莱截面方法,设计了不同拉格朗日点间转移轨道。

A three-stage optimization method first adjusts the earthescape trajectory to get the sail close to the invariant manifold of the desired orbit.

提出了分3阶段优化设计的方法:首先调整航天器逃离地球的飞行轨迹,使其比较接近目标Halo轨道的不变流形;再借助不变流形,用遗传算法求解相应的最优控制,使其转移到目标Halo轨道的不变流形上;最后航天器将沿流形飞行完成入轨。

Some sufficient condition to guarantee the existence of global invariant manifolds consisting zero homotopic closed orbits is gived.

当在每个不变柱面上有奇点时证明了这类系统局部极限环的存在性 ;同时给出了这类系统存在由第一类 (零伦 )闭轨组成的全局不变流形的条

Based on the theory about nonlinear normal modes and normal form, a method of normal mode invariant manifolds for the analysis of simple Hopf bifurcating solutions is presented.

基于非线性模态不变流形及范式理论，针对一类非线性结构振动系统和机电耦合系统，提出一种分析其简单Ｈｏｐｆ分叉解的模态不变流形方法。

Based on this new classification, the approximation problem of the invariant manifolds of dynamical system is discussed in detail.

通过引入新的概念,提出了图胞映射动力系统中瞬态胞的新的分类方法,基于新的分类方法研究了动力系统中不变流形的胞映射逼近问题;并结合计算机的计算速度与内存特点,建立了完成上述压缩分类的有效算法。

,the invariant manifolds of Lyapunov orbit at L_1 are applied to achieve the quick trans.

随后,利用与 DRO 相切的 Lyapunov 轨道研究了 DRO 的轨道转移：利用地月系 L_1点 Lyapunov 轨道的不变流形,实现 DRO 的快速转移：利用 L_2点 Lyapunov 轨道作为弱稳定边界(WSB)转移的入口,实现 DRO 的低能转移。

Study on Center Manifold Theorem and Critical Stability of Nonlinear Systems;

中心流形定理与非线性系统临界稳定性的研究

The Innovation of Modern Rural Logistics-finance Center Forms;

现代农村物流金融中心组织形式创新

The spreading and influence of spirals and heart pattern in the East Mediterranean and West Asia;

东地中海和西亚心形涡卷纹样的流变与影响

A Wandering Soul on the Earth--Comments on Nora;

俗世壁垒中的心灵流浪——对娜拉形象的重新阐释

A New Understanding of Jue Xin, Protagonist in the Torrent Trilogy;

对《激流三部曲》的中心人物——觉新形象的再认识

Research of kernel method and manifold learning for ECG recognition

核方法与流形学习在心电识别中的研究

double concetric jets

双股同心射流（由中心圆形射流和彼此分隔而又同轴的环状射流组成）

Kaehler Submanifolds and Totally Real Submanifolds in a Locally Symmetric Bochner-Kaehler Manifold;

局部对称Bochner-Kaehler流形中的Kaehler子流形和全实子流形

A grain trade center is a sort of completely new form of circulation of grain goods being developed at present in our country.

粮贸中心是我国目前发展的一种崭新的粮食商品流通形式。

The Yalu River Basin Forest Resources and the Formation of Wood Central Market of Anton;

鸭绿江流域森林资源与安东县木材中心市场的形成（1876—1928）

Role of Industrial clusters in the Formation of Regional Logistics Center;

产业集群对区域物流中心形成的作用机理及实证分析

Generation and Formal Verification of Radio Block Center Data Streams Based on STATEMATE

基于STATEMATE的无线闭塞中心数据流生成及形式化验证

On the Factors in the Formation of Modern Huxiang Ci School:With the Centre of Geography and Class

论近代湖湘词学流派的形成因素——以地理、阶层为中心

From Space Form to Place:Reading on Jinxia Bonded Logistics Center,Changsha in Hunan Province

从空间形态到场所——湖南长沙金霞保税物流中心设计

Semi-slant Submanifolds of Kaehler Product Manifolds;

Kaehler乘积流形中的半斜子流形

The 2- harmonic Submanifold in Quasi- constant Curvature Riemann Manifold

拟常曲率黎曼流形中的2-调和子流形

2-Harmonic Space-like Submanifolds in Pseudo-Riemann Manifold

伪Riemann流形中的2-调和类空子流形

Submanifold in Sphere and Locally Symmetric and Comformally Flat Manifold;

球面和局部对称共形平坦黎曼流形中的子流形