This paper discusses a convolutional blind source separation algorithm based on second-order decorrelation, taking into account non-stationarity of signals.

• 结合信号的非平稳性,利用二阶解相关原理,文章阐明了一种在频域实现卷积混合的盲源分离算法,并且考虑了噪声对分离性能的影响。