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利用局部线性投射算法 ( LLPA)不需要预知混沌信号动态特性的特点 ,将其应用于混沌键控系统 ( CSK)进行接收端的噪声去除 .计算机仿真结果表明 ,该算法能明显提高 CSK系统的噪声性能 ,证实了 LLPA算法的实效性 ,扩大了去噪技术在混沌通信系统中的应用范围 .
The local linear projection algorithm (LLPA) does not need to predict the dynamic characteristics of chaotic signals, and is applied to CSK to remove the noise at the receiver.Computer simulation results show that this algorithm can significantly improve the noise performance of CSK system , Confirmed the effectiveness of LLPA algorithm and expanded the scope of application of denoising technology in chaotic communication system.