... ; 盲信号提取 ; 非平稳信号 ; 二阶统计量 ; 时序结构 [gap=500]Key words: blind source separation; blind signal extraction; nonstationary signal; second-order statistics; temporal structure ..
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盲信号提取主要研究如何把源信号逐个从观察信号中提取出来。
Blind signal extraction researches mainly on how to extract the source signal sequentially from the mixed signals.
一般来说，盲信号分离包括盲信号并行分离和盲信号提取两种方法。
Generally, classical BSS methods include Blind source parallel separation and Blind source extract.
并结合调制信号的恒模特性，提出了基于广义峭度的恒模盲信号提取算法。
Jointed the constant module (CM) character of digital modulated signal, the CM generalized kurtosis algorithm is deduced.
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