| 基于ICA的相位编码信号欠定盲分离算法 |
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| 引用本文： | 熊英,陈晓军,唐斌.基于ICA的相位编码信号欠定盲分离算法[J].数据采集与处理,2011,26(5):542-546. |
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| 作者姓名： | 熊英 陈晓军 唐斌 |
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| 作者单位： | 电子科技大学电子工程学院 成都 610054 |
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| 摘 要： | 针对二相编码信号时域或频城上不充分稀疏的情况,提出了欠定盲源分离中估计混合矩阵和恢复源信号的新方法.首先,利用二相编码信号成型模型的特异性,将欠定盲分离问题转化成卷积盲分离问题,然后通过抽头延时将其转化为线性瞬时混叠问题,通过独立分量分析(ICA)方法对延时后的观测信号进一步处理.为了准确地分离出源信号,利用峭度准则对...
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| 关 键 词： | 欠定盲源分离 独立分量分析 LMS算法 二相编码信号 |
Underdetermined Blind Separation Based on Independent Component Analysis for Phase Coded Signals |
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| Xiong Ying,Chen Xiaojun,Tang Bin.Underdetermined Blind Separation Based on Independent Component Analysis for Phase Coded Signals[J].Journal of Data Acquisition & Processing,2011,26(5):542-546. |
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| Authors: | Xiong Ying Chen Xiaojun Tang Bin |
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| Affiliation: | Xiong Ying,Chen Xiaojun,Tang Bin(College of Electronic Engineering,University of Electronic Science and Technology of China,Chengdu,610054,China) |
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| Abstract: | A method for the mixing matrix estimation and source recoveration in the underdetermined source separation is proposed in which the shaped phase coded signals are not sparse in time domain or frequency domain.By means of particularity among the shaped phase coded signals,a method is presented,which uses tapped delay lines to turn an underdetermined convolutive blind source separation problem into an overdetermined instantaneous blind source separation problem which can be solved by independent component ana... |
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| Keywords: | underdetermined blind source separation independent component analysis least mean square(LMS) algorithm shaped phase coded signal |
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