| 一种无线语音混沌保密通信系统的设计与实现 |
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| 引用本文： | 徐礼国,禹思敏. 一种无线语音混沌保密通信系统的设计与实现[J]. 现代电子技术, 2011, 34(5): 112-116 |
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| 作者姓名： | 徐礼国 禹思敏 |
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| 作者单位： | 广东工业大学自动化学院,广东广州,510006 |
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| 基金项目： | 广东省"211工程"资助 |
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| 摘 要： | 为了实现对混沌加密语音信号的无线传输和解密回放,在由DSP芯片TMS320VC5509A、无线射频芯片nRF24L01和音频编解码芯片TLV320AIC23构成的系统硬件平台上,采用Euler算法对连续Lorenz混沌系统进行离散化处理,产生出用于加密和解密的混沌数字序列。对加密后的语音信号进行了无线传输的实验,接收端能够将收到的加密语音信号解密回放,实现了语音信号的无线混沌保密通信。
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| 关 键 词： | 混沌保密通信 DSP 混沌同步 Lorenz系统 |
Design and Implementation of a Wireless Speech Chaotic Secure Communication System |
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| XU Li-guo,YU Si-min. Design and Implementation of a Wireless Speech Chaotic Secure Communication System[J]. Modern Electronic Technique, 2011, 34(5): 112-116 |
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| Authors: | XU Li-guo YU Si-min |
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| Affiliation: | XU Li-guo,YU Si-min(College of Automation,Guangdong University of Technology,Guangzhou 510006,China) |
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| Abstract: | In order to implement wireless transmission and decryption playback of the encrypted chaotic speech signals,based on the system hardware platform which is consisted of DSP chip TMS320VC5509A,radio frequency chip nRF24L01 and audio codec chip TLV320AIC23,the Euler algorithm is used to discretize the continuous Lorenz chaotic system for genetating chaotic digital sequences,which are used for encryption and decryption.The experiment of wireless transmission is performed on the encrypted speech signals,and the ... |
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| Keywords: | DSP |
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