基于自适应观测器的混沌保密通信系统  

Chaotic Secure Communication System Based on Self-adaptive Observer

作　　者：沈少捷[1] 韩正之[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240

出　　处：《计算机工程》2011年第20期55-56,共2页Computer Engineering

摘　　要：基于混沌同步技术和自适应观测器,设计一种保密通信系统。使用Lorenz混沌系统对原信号进行加密,利用自适应观测器对加密信号进行解密,以实现保密通信。仿真实验表明,该系统的算法简单、响应速度快,能实现响应系统与驱动系统的同步,提高混沌保密通信的质量和安全性。Based on chaotic synchronization and self-adaptive observer,this paper presents a new secure communication system.By using Lorenz chaotic system and self-adaptive observer to code and decipher the original information,the objective of chaotic secure communication is realized in this system.Simulation experimental results verify that it is a simple,feasible and effective method to the synchronization of response system and drive system,and it can improve the quality and safety of chaotic secure communication.

关 键 词：自适应观测器 保密通信 LORENZ混沌系统 线性矩阵 

分 类 号：TP306[自动化与计算机技术—计算机系统结构]