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[ "王尔馥(1980-),女,黑龙江哈尔滨人,博士,黑龙江大学副教授、硕士生导师,主要研究方向为盲信号分离及盲均衡。" ]
[ "郑远硕(1994-),女,海南乐东人,黑龙江大学硕士生,主要研究方向为通信信号盲提取及数字化技术。" ]
[ "陈新武(1992-),男,福建仙游人,黑龙江大学硕士生,主要研究方向为盲均衡及其硬件实现。" ]
[ "刘晓珍(1990-),女,山西吕梁人,黑龙江大学硕士生,主要研究方向为谐波信号的盲源分离。" ]
网络出版日期:2016-08,
纸质出版日期:2016-08-25
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王尔馥, 郑远硕, 陈新武, 等. 语音信号的混沌遮掩及其正定盲提取算法[J]. 通信学报, 2016,37(8):191-198.
Er-fu WANG, Yuan-shuo ZHENG, Xin-wu CHEN, et al. Chaotic hiding and its positive definite blind extraction algorithm of speech signal[J]. Journal on communications, 2016, 37(8): 191-198.
王尔馥, 郑远硕, 陈新武, 等. 语音信号的混沌遮掩及其正定盲提取算法[J]. 通信学报, 2016,37(8):191-198. DOI: 10.11959/j.issn.1000-436x.2016171.
Er-fu WANG, Yuan-shuo ZHENG, Xin-wu CHEN, et al. Chaotic hiding and its positive definite blind extraction algorithm of speech signal[J]. Journal on communications, 2016, 37(8): 191-198. DOI: 10.11959/j.issn.1000-436x.2016171.
利用小波变换提取语音信号的能量聚集带,将其隐藏在混沌载体信号中进行传输,设计一种盲提取算法实现不同混沌动力学系统下语音信号的有效提取。以3种不同维数的混沌动力学系统为背景,仿真实验定性和定量地分析了所提出算法的性能,验证了噪声环境下算法的可靠性,证明盲提取算法可作为对混沌保密通信系统保密性验证的有效方法。
The wavelet transform was used to extract energy accumulation zone of speech signal hidden in the chaotic carrier signal for transmission
and a blind extraction algorithm was designed to achieve speech signal extraction under different chaotic dynamical systems.Using three different dimensions of the chaotic dynamic system as the background
simulation experiment analysed the performance of the proposed algorithm in aqualitative and quantitative ways
and verified the algorithm's reliability under the noise environment that prove the blind extraction algorithm can be used as an effective method of security verification of chaotic secure communication system.
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