查询词典 limit cycle

About bifurcation theory of plane vector fields, the study on bifurcations of the limit cycle has become an important and popular topic.

就平面向量场的分支理论而言，对于极限环分支的研究已成为人们关注的主要问题。D。

The results show that the development of the instability leads to the limit cycle oscillation and chaotic behavior of the radiation field.

这种不稳定性的发展导致场出现极限环振荡和混沌。

The periodic doubling responses of the limit cycle flutter of the test model are observed in wind-tunnel test.

风洞实验中实现了该系统极限环颤振的周期倍化响应。

The critical value of Hopf bifurcation was calculated, and the stability of the limit cycle was discussed. The bifurcation diagram of the system was obtained by the fourth order Runge-Kutta method.

定性分析了系统定态的存在性和稳定性，讨论了系统的Hopf分岔，得到了系统的Hopf分岔参数值，并判断了极限环的稳定性。

In the second chapter, we consider a kind of Kolmogorov system. The sufficient conditions of nonexistence of the closed orbit and existence of the unique and stable limit cycle are obtained.

第二章讨论了一类Kolmogorov系统，得到了系统无闭轨的充分条件和存在唯一稳定极限环的条件，推广了颜向平，张存华等的结果。

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。

In this paper,an improved limit-cycle navigation method integrated with the potential field approach is proposed.

1 引言在机器人足球赛中，机器人决策的重要一步是路径规划。

In the paper we consider a wide class of slow-fa.st second order systems and give sufficient conditions for the existence of a singular limit cycle related to a homoclinic orbit.

本文研究一类正二阶快-慢系统中奇性同宿轨道和极限环，并且给出了此系统存在奇性同宿轨道和极限环的充分条件。

Through studying the singular points of the plane differential systems, the sufficient conditions of the nonexistence of limit cycle for the system are obtained by means of comparing theorem, analyzing divergence and change of variable.

通过对微分系统的奇点进行研究，借助比较定理，将该方程与其对称的方程进行比较，并通过分析散度和变量代换的定性分析，得到了其极限环不存在的充分条件。

In this thesis, using the qualitative theory and stability theory of ordinary differential equation, we study the global stability of equilibrium, existence and uniqueness of limit cycle for a predator-prey model with sublinear functional response function.

本学位论文利用常微分方程定性理论和李亚普诺夫稳定性理论的基本方法，研究了具次线性功能性反应函数的食饵-捕食者模型的平衡点的全局稳定性，极限环的存在性和惟一性。

The physiology of the skin machine body for the sake of the environment in the maintenance stability, but eject a body metabolism creation of metabolism thing BE'grease', summer perspire many various skin disease light or good, autumn perspire little metabolism thing metabolism don't go out, various skin disease made, this be the skin machine body of various burning disease.

皮肤机体的生理为了维持内环境稳定，而排出身体代谢产生的代谢物是'油泥'，夏天出汗多各种皮肤病就轻或好了，秋天出汗少代谢物代谢不出去，各种皮肤病就犯了，这就是皮肤机体的各种炎症。

If I had anything tender in me, I shot it dead.

如果我有什么招标的话，我枪死亡。