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Blind signals separation based on the power spectral density
Author(s): 
Pages: 255-259
Year: Issue:  3
Journal: JOURNAL OF VIBRATION ENGINEERING

Keyword:  盲信号分离功率谱密度欠定混合超定混合;
Abstract: 提出一种新的基于功率谱密度的盲信号分离方法.该方法在传感器数与源数关系不明确情况下,且源信号相互独立时,直接通过混合信号功率谱密度函数比值求解混合阵,并通过混合阵判定观测信号是完备混合、超定混合还是欠定混合,由此进一步分离信号.理论分析、仿真数据证明了算法的有效性.同时还仿真了噪声对分离性能的影响.
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