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一类二次系统极限环存在的充要条件
Sufficient and Necessary Conditions of Existence of Limit Cycle for One Kind Quadratic System
【摘要】 详细证明了二次系统(1) 存在极限环的充分条件是δlm < 0 , δ< lm 。从而得到:二次系统(1) 存在唯一极限环的充要条件是δlm < 0 , δ< lm 。
【Abstract】 It is proved that quadratic system (1) has one limit cycle when δlm<0,|δ|<lm.Then we conclude that the sufficient and necessary conditions on which (1) has one limit cycle are δlm<0,|δ|<lm.
- 【文献出处】 安徽大学学报(自然科学版) ,JOURNAL OF ANHUI UNIVERSITY(NATURAL SCIENCES) , 编辑部邮箱 ,1999年04期
- 【被引频次】1
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