By Tadeusz Wysocki; Bahram Honary; Beata J Wysocki
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Is, in general, BSS MODEL The main issue of BSS is that neither the signal sources nor the mixing system are known a priori. The only assumption made is that the unknown signal sources are statistically independent. Assume there are N statistically independent sources, These sources are mixed in a medium providing M sensor or observed signals, given by where is a M × N mixing matrix with its element being the impulse response from source signal to measurement. * defines the convolution of corresponding elements of and following the same rules for matrix multiplication.