Based on independent component analysis, a new way of underdetermined BSS composed of SVD-ICA and determined-ICA is put forward in this paper.

• 该文根据独立分量分析ICA理论，提出了多源少信道（欠定）ICA算法与完备ICA算法结合的二次盲信号分离方法，用此方法对局部放电脉冲进行提取。