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混沌作为一种非线性动态系统中的现象，受到了人们的重视，研究工作者纷纷探索它在通信中的可能应用．本文分析了一种广泛研究的离散时间动态系统Ｌｏｇｉｓｔｉｃ－Ｍａｐ所产生的混沌序列的白噪声统计特性．为适应实际需要还给出了Ｌｏｇｉｓｔｉｃ－Ｍａｐ简便的数字硬件实现方法．据此，进一步提出数字混沌序列的概念，研究了数字混沌序列在ＣＤＭＡＤＳ／ＳＳ通信系统中的具体应用．仿真数据显示Ｌｏｇｉｓｔｉｃ－Ｍａｐ数字混沌序列拥有较理想的自相关和互相关特性，且数目极大，适合作为扩频地址码．
As a phenomenon in nonlinear dynamic system, chaos attracts people’s attention. Researchers have explored its possible application in communication. This paper analyzes the statistical properties of white noise of chaotic sequences generated by Logistic-Map, a widely studied discrete-time dynamic system. To meet the actual needs of Logistic-Map also gives a simple digital hardware implementation. Based on this, the concept of digital chaos sequence is further proposed and the application of digital chaos sequence in CDMADS / SS communication system is studied. The simulation results show that the Logistic-Map digital chaotic sequence possesses the ideal autocorrelation and cross-correlation characteristics, and its number is very large, which is suitable for the spread spectrum address code.