1) center manifold
中心流形
1.
General programming method for calculating center manifold;
计算中心流形的通用程序方法
2.
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。
3.
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。
2) centre manifold
中心流形
1.
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
2.
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。
3.
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
4) Center manifold method
中心流形方法
1.
S: The reduction approach of center manifold method for the parameter-dependent nonlinear dynamical system is applied to simplify the analysis of Fold bifurcation associated with voltage collapse in a sample power system.
首次应用依赖于参数的动力学系统中的中心流形方法对电力系统电压崩溃相关联的Fold分岔进行简化分析。
2.
The stability of zero bifurcation solution at the degenerate points is studied with center manifold method,and the stability of limit cycle in the Hopf bifurcation is analyzed by means of Hopf bifurcation theorem.
研究了著名的 van der Pol-Mathieu方程 1 / 2次谐共振分叉在退化点的零解和极限环的稳定性问题 ,零解的稳定性用中心流形方法研究 ,Hopf分叉产生的极限环的稳定性用 Hopf分叉定理解
5) center manifold theory
中心流形定理
1.
Let x~2+y~2+z~2=h(>0) be the first integral of the perturbed system,then the existence of limit cycles on the spherical surface was discussed by using averaging method and center manifold theory.
对球面族上的平行流进行了一般的2n+1次齐次扰动,在x2+y2+z2=h(>0)是扰动系统的首次积分的情况下,运用平均方法及中心流形定理,给出了扰动系统在球面上出现极限环的一般情况。
6) center manifold theorem
中心流形定理
1.
Combining with the center manifold theorem, we calculated the stochastic Normal-Forms of a noisy Van der Pol-Duffing oscillator, and obtained the stochastic Normal-Forms on its center manifold.
结合中心流形定理,借助计算机代数系统Mathematica编写了计算随机Normal Form的程序,得到了中心流形上的Normal Form,实现了系统的降维,从而为计算系统的最大Lyapunov指数并进而分析随机分岔提供了基础。
2.
Firstly,center manifold theorem and bifurcation theory are applied to prove the emergence of flip bifurcation in the system.
首先,应用中心流形定理和分岔理论,证明了系统会发生倍周期分岔;然后,通过计算最大李雅普诺夫指数,确定了系统中混沌行为的存在;最后,数值模拟的结果显示了与理论分析的一致性。
补充资料:正多边形的中心
正多边形的外接圆(或内切圆)的圆心叫做正多边形的中心。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。