%0 Journal Article %T 混沌数字调制技术研究进展<br>Research progress on chaotic digital modulation technologies %A 蒋国平 %A 杨华 %A 段俊毅 %J 南京邮电大学学报(自然科学版) %D 2016 %X 作为非线性科学的一个重要分支,混沌理论的研究及应用是当前科学界和工程领域的一个前沿课题。混沌信号具有许多特殊的性质,可以满足保密通信、扩频通信和多用户通信的某些特殊要求,因而在通信与信息安全领域具有良好的应用价值。文中以混沌数字调制技术为对象,介绍混沌在通信中的典型应用,分析近年来混沌数字调制技术的研究进展,展望该技术今后的研究方向。<br>As an important topic in nonlinear circuits and systems,a chaotic theory and its application now become a cutting edge issue in both science and engineering fields.With lots of features,chaotic signals can satisfy some special demands of secure communication,spread spectrum communication and multi-user communication,thus having a great potential in both communication and information security areas.Focusing on chaotic digital modulation technologies,this paper introduces some state-of-art communication schemes based on chaos and analyzes research progress in chaotic digital modulation technologies in recent years.Finally a research direction of chaotic digital communication in the future is pointed out %K 混沌 %K 混沌数字调制 %K 差分混沌键控 相关延迟混沌键控 %K 调频差分混沌键控< %K br> %K chaos chaotic digital modulation DCSK CDSK FM-DCSK %U http://nyzr.njupt.edu.cn/ch/reader/view_abstract.aspx?file_no=201601001&flag=1