| 混沌语音保密通信仿真实验 |
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| 引用本文： | 马艳萍,刘云,孙迎慧.混沌语音保密通信仿真实验[J].系统仿真学报,2006,18(3):809-811. |
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| 作者姓名： | 马艳萍 刘云 孙迎慧 |
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| 作者单位： | 青岛科技大学,自动化与电子工程学院,山东,青岛,266042 |
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| 摘 要： | 基于CVFS法构造了混沌语音保密通信系统,为满足掩盖语音信号的要求,对混沌变量进行了预处理。仿真实验表明,只要预处理信号的功率足够大,就可以达到保密通信的目的。因为预处理后的混沌信号功率谱密度在语音信号的频率范围内比语音信号强,故该方案可以抵抗基于滤波的攻击。
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| 关 键 词： | 语音信号 混沌 保密通信 CVFS法 |
| 文章编号： | 1004-731X（2006）03-0809-03 |
| 收稿时间： | 2005-01-17 |
| 修稿时间： | 2005-09-05 |
Simulation of Chaotic Secure Speech Communication |
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| MA Yan-ping,LIU Yun,SUN Ying-hui.Simulation of Chaotic Secure Speech Communication[J].Journal of System Simulation,2006,18(3):809-811. |
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| Authors: | MA Yan-ping LIU Yun SUN Ying-hui |
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| Abstract: | A system of chaotic secure speech communication has been constructed based on CVFS(Continuous variable feedback synchronization)method.Chaotic variable has been pretreated in order to meet the requirements of masking speech signal.Simulation shows that speech communication is secure as long as the power of the pretreated signal is high enough.Because the power density of the pretreated chaotic signal is much higher than that of the speech signal in the range of speech frequency,the system is safe from the attack method based on filtering waves. |
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| Keywords: | speech signal chaos secure communication CVFS method |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
