| 双系统自适应耦合盲源分离算法 |
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| 引用本文： | 欧世峰,赵晓晖,高颖.双系统自适应耦合盲源分离算法[J].吉林大学学报(工学版),2010,40(5). |
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| 作者姓名： | 欧世峰 赵晓晖 高颖 |
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| 作者单位： | 1. 烟台大学,光电信息科学技术学院,山东,烟台,264005
2. 吉林大学,通信工程学院,长春,130012 |
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| 基金项目： | 高等学校博士学科点专项科研基金 |
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| 摘 要： | 结合两个固定步长的盲源分离系统,提出了一种双系统自适应耦合盲分离算法。该算法利用滑动因子来调整两个分离系统在算法所处不同分离阶段的比重,并基于随机梯度方法获得了滑动因子的自适应更新规则。仿真实验表明,本文算法在平稳和非平稳环境下都具有较好的收敛和分离性能。
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| 关 键 词： | 通信技术 盲源分离 收敛性 稳态误差 自适应 步长 |
Blind source separation using an adaptive combination of two separation systems |
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| OU Shi-feng,ZHAO Xiao-hui,GAO Ying.Blind source separation using an adaptive combination of two separation systems[J].Journal of Jilin University:Eng and Technol Ed,2010,40(5). |
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| Authors: | OU Shi-feng ZHAO Xiao-hui GAO Ying |
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| Abstract: | In this paper, a fire-new framework by adaptively combining two separation systems was proposed for BSS in an attempt to put together the best properties of them. A smoothing factor was used to adjust the proportion of the two components, and its adaptive updating rule was obtained based on the stochastic gradient schemes of the cost function. The resulting algorithm is shown to outperform its two components in both stationary and non-stationary environments. |
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| Keywords: | communication blind source separation convergence misadjustment in steady state adaptive step size |
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