北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2005, Vol. 28 ›› Issue (1): 23-25.doi: 10.13190/jbupt.200501.23.jiang

• 论文 • 上一篇    下一篇

数字流混沌产生器的模型参考同步降噪

蒋 华 赵 耿 段慧达 魏占祯   

  1. 1.北京电子科技学院 重点实验室, 北京 100070; 2.北华大学, 吉林 132000
  • 出版日期:2005-02-28 发布日期:2005-02-28

Model Reference Synchronization of Digital-Flow Chaos Generators for Reducing Noise

JIANG Hua, ZHAO Geng, DUAN Hui-da, WEI Zhan-zhen   

  1. 1. Key Laboratory, Beijing Electronic Science and Technology Institute, Beijing 100070, China;
    2. Beihua University, Jilin 132000, China
  • Online:2005-02-28 Published:2005-02-28

摘要:

在已建立的数字流混沌产生器的时钟间隔脉冲驱动同步原理和实现方法的基础上,为解决该方法存在的通信双方程序不一致所导致的噪声随时间增加而增加的问题,提出了模型参考同步去噪法,旨在减少同步噪声,以获得好的信噪比。实验结果表明该方法有效地降低了噪声.

关键词: 同步噪声, 模型参考, 降噪

Abstract:

Based on the theorem of synchronization of digital-flow chaos in secure communications, a scheme of secure speech communication was presented and realized, a method using model references was given to solve the problem that noise will be increased with time going because of programming variance both communication sides. Reducing synchronic noise and promoting the ratio of signal power and noise power are made with the method. The experimental results show it will reduce noise efficiently.

Key words: synchronization noise, model reference, reducing noise

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