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- limit cycles oscillations 极限环振荡
- Instability shows itself frequently in the form of limit cycles. （非线性系统）的不稳定性通常表现为极限环的形式。
- The study on limit cycle oscillation of drum brake nonlinear model 鼓式制动器非线性振动模型的极限环颤振研究
- It is found that the frequency creep caused by superradiance usually results in this kind of limit cycle like oscillations. 分析表明这种类极限环振荡主要起因于超辐射引起的频率蠕变。
- Distribution of limit cycles for a class of higher-degree degenerate planar polynomial systems of codimension two is discussed. 摘要讨论了一类余维2的高次退化平面多项式系统的极限环分布，证明了此系统至多存在3个极限环。
- In this paper, the bifurcation of limit cycles for a quartic polynomial system is investigated. 摘要研究一类四次系统的极限环分枝问题。
- Then by using Poincare-Bendixson theorem sufficient conditions for the existence of limit cycles are obtained. 在此基础上，利用微分方程的环域定理获得了所述系统存在极限环的条件。
- Lu Zhengyi, Luo Yong, Two limit cycles in three dimensional Lotka-Volterra systems.Computer Math. 陆征一(译);动力系统的稳定性;四川科学技术出版社;2003.
- Study of limit cycle oscillation on nonzero equilibrium points for Airfoil with cubic nonlinearities 立方非线性机翼非零平衡点极限环颤振的研究
- In this article, the center conditions, isochronous center conditions and bifurcation of limit cycles at infinity for a class of fifth system are investigated. 摘要研究一类五次系统无穷远点的中心、拟等时中心条件与极限环分支问题。
- Schuler and Foucault cycle oscillations have some errors to strapdown attitude heading reference system (AHRS). 摘要舒勒周期振荡和傅科周期振荡会影响捷联惯性航姿系统的精度。
- Limit cycle oscillating and chaos of the radiation field in a traveling wave tube amplifier 行波管放大器中辐射场的极限环振荡和混沌
- As far as the number of limit cycles bifurcated from 3 fine focal points of quartic system is concerned, the result is good. 就三个不同细焦点分枝出极限环的结论来说，该结果是好的。
- In the soft nonlinear regime, the radiation field is characterized by intermittent limit cycle oscillation; 在软非线性区域，辐射场表现为不连续的极限环振荡；
- Keywords limit cycle oscillation;BZ electrochemical coupled system;electrode current controlled externally; 极限环振荡;BZ电化学耦合体系;外控电极电流;
- Xianfeng Chen and Zhizhen Qian, Uniqueness of limit cycles of some high degree polynomial systems, Journal of Shanghai JiaoTong University, Supp. I (1998), 16--20 (in Chinese). 陈贤峰，一类带高次自反馈非线性控制系统的镇定性，上海交大学报;(7)35(2001);1097--1099.
- The algorithm revises the reinforcement signal and improves the exploration policy to overcome the negative effect of limit cycles in the inverted pendulum system. 算法采用修正强化信号和改进探索策略的方法克服极限环对倒立摆系统的影响。
- Degeneration of Limit Cycle Oscillation in BZ Electrode Reaction System Controlled Externally by a Weak Periodical Electrode Potential Constraint 外控弱周期电位约束近似下电极BZ体系中极限环振荡的蜕变
- In the fifth section, we obtain some sufficient conditions under which a class of a planar quintic system has at most two limit cycles by transforming it into Abel equation. 第五章讨论了一类可化为Abel方程的五次多项式系统的极限环的个数，得到此类平面五次多项式系统至多存在两个极限环的充分条件。
- For monomial dynamical systems, that is, a system that can be described by monomials, information about the limit cycles can be obtained from the monomials themselves. 小至声波的传递让自然的万物得以简单的传递讯息，大致剧烈的地壳能量释放造成的地震摧毁生物赖以维生的环境。
