It is not satisfied general condition for existence of a stable limit cycle. 给出了其极限环(LC)存在性、唯一性以及稳定性的证明。
A concrete example is discussed and the accurate location of each limit cycle is displayed. 获得了一个具体例子中每一个极限环(LC)的确切位置。
It firstly discusses the quality of the equilibrium and proves the existence of the limit cycle, and then uses optimal control theory to obtain optimal harvesting strategy. 讨论了该系统的平衡点的性态,证明了极限环(LC)的存在性,应用最优控制理论获得了最优捕获策略。
The decision of center and focus and uniqueness of limit cycle for a class of cubic system; 讨论三次系统当时的情形,得到了一些极限环(LC)存在性、唯一性和不存在性的结果。
A kind of microbe cultivated model is discussed to verify that the limit cycle is unique in a fixed parameter range. 分析了一类细菌培养模型,证明了在一定参数范围内极限环(LC)是唯一的。