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电子学报  2014 

一种基于牛顿迭代的自适应复盲源分离算法

DOI: 10.3969/j.issn.0372-2112.2014.06.014, PP. 1125-1131

Keywords: 复盲源分离,交叉互验,牛顿迭代法,峰度,自适应

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Abstract:

为了解决源数动态变化情况下的复数盲源分离的问题,首先采用一种基于交叉验证技术的源数动态估计方法;利用牛顿迭代法推导了一种自适应的复数盲源分离算法,由于在分析过程不需要对复值源信号做任何限制或约束性的假设前提,因此该算法适合于分离服从正则或非正则分布的超高斯和亚高斯信号;提出的算法通过了源数动态变化仿真实验的验证.另外,在此基础上提出了一种基于复盲源分离的波达方位动态估计法,该方法适用于在源数未知且动态变化的情况下对目标源的波达方位进行动态估计.

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