具有二阶细焦点的二次系统的定性研究  

QUALITATIVE STUDY OF QUADRATIC SYSTEMS WITH SECOND ORDER FINE FOCUS

作　　者：田森平[1] 吴舜英[1] 

机构地区：[1]华南理工大学工业装备与控制工程系

出　　处：《华南理工大学学报（自然科学版）》1998年第1期102-106,共5页Journal of South China University of Technology(Natural Science Edition)

摘　　要：讨论了二次系统（Ⅱ）δ＝０具有二阶细焦点的条件，并对ｎ＝０时以原点Ｏ（０，０）为二阶细焦点的二次系统（Ⅱ）δ＝０作了全局分析。This paper discusses the conditions of the quadratic systems (Ⅱ) δ=0 with second order fine focus. When n =0, the global analysis are made to the quadratic systems (Ⅱ) δ=0 with the origin O (0,0) as second order fine focus.

关 键 词：二次系统 细焦点 奇点 全局分析 

分 类 号：O175.12[理学—数学]