基于双耦合Duffing振子的随机相位正弦信号检测  

Detection of phase randomly distributed weak sinusoidal signal based on double coupled doffing oscillators

作　　者：代理 李健[1] 郑豫[1] 孙涛[1] 

机构地区：[1]四川大学电子信息学院,四川成都610064

出　　处：《成都信息工程学院学报》2008年第1期50-53,共4页Journal of Chengdu University of Information Technology

摘　　要：首先采用双耦合混沌振子阵列实现了随机相位微弱正弦信号的检测,在此基础上,提出了新的检测方法,即利用单个双耦合混沌振子,通过临界到混沌及周期状态的变化检测随机相位微弱正弦信号并大致估计信号相位范围。该方法比双耦合混沌振子阵列法简单,更易于实现。A group of coupled chaotic oscillators is used to achieve the detection of phase randomly distributed weak sinusoidal signal and a new detection method is presented.According to the change of the critical state between the chaos and the period by the single coupled chaotic oscillators the phase randomly distributed weak sinusoidal signal is detected and the phase range can be estimated. It is easier to carry out than the way of a group of coupled chaotic oscillators.

关 键 词：混沌 双耦合dulling振子 微弱信号检测 随机相位 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]