1Shoji Makino,Te-Won Lee,Guy J.Brown.Introduction to the Special Section on Blind Signal Processing for Speech and Audio Applications.In:EEE TRANSACTIONS ON AUDIO,SPEECH,AND LANGUAGE PROCESSING,VOL.15,NO.5JULY 2007:1509~1510.
2Hyvarinen A,Karhunen J,Oja E.Independent Component Analysis[M].John Wiley and Sons Inc,2001.