本文对Genesio混沌系统 ,进行线性输出反馈同步 ,并实现了混沌同步保密通讯 .基于线性稳定性定理 ,给出了一个同步渐近稳定的充分条件及其同步稳定的反馈系数范围 ,保证了响应系统信息信号的准确恢复 .并对同步通讯系统进行数值仿真 ,验证了方法的有效性 . In this paper, the linear output feedback synchronization of Genesio chaotic system is implemented, and chaos synchronization and secure communication are achieved. Based on the linear stability theorem, a sufficient condition for simultaneous asymptotic stability and its synchronization and stable feedback coefficient range are given, which ensures that the response system The accurate recovery of the information signal and the numerical simulation of the synchronous communication system to verify the effectiveness of the method.