混沌数字调制技术研究进展
Research progress on chaotic digital modulation technologies

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。
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