摘要
本文利用基于线性系统稳定性准则的SC混沌比例投影同步方法,提出一种全新的多进制数字信息混沌保密通信方案.将多进制数字信号调制到发送端系统的雅克比矩阵和比例因子中,然后在接收端构造的子系统中判断并解调出数字信号.以传输10进制数字信息为例,利用Lorenz混沌吸引子进行数值模拟仿真,详细分析了通信过程中数字信息的同步性、安全性以及解码精度.仿真结果和数值分析证明了该多进制数字信息混沌调制方案的正确性和有效性.
A new communication technique of transmitting M-ary digital signals using projective synchronization based on stability criterion is proposed in this paper. At the sender,M-ary digital signals are modulated into Jacobian matrix and the scaling factor of chaotic system. The digital signals are decoded in the corresponding subsystem constructed at the receiver end. Lorenz attractor is taken as an example to simulate the process of transmitting decimal digital signals by chaotic modulation. Numerical analysis shows that the communication system has higher transmission rate and decoding accuracy for the digital symbols without increasing complexity. The security and effectiveness of the proposed technical scheme is validated through the numerical investigation.
出处
《动力学与控制学报》
2016年第2期170-176,共7页
Journal of Dynamics and Control
基金
国家自然科学基金资助项目(10802030)~~
关键词
保密通信
混沌调制
数字信息
投影同步
雅克比矩阵
secure communication
chaotic modulation
digital signal
projective synchronization
Jacobian matrix
