In blind source separation (BSS), the general methods firstly assume the probability density function (PDF) of sources to obtain the important activation function (AF), and then separate the source signal from mixture signals.

• 盲源分离(BSS)算法通常需预先假设源信号的概率密度函数(PDF),并由此获得关键的激活函数(AF),进而从混合信号中分离出源信号。