Identifiability of multichannel linear systems driven by colored inputs and its application to blind signal separation

Y Inouye,B Sako

doi:10.1109/iscas.1994.409299

Identifiability of multichannel linear systems driven by colored inputs and its application to blind signal separation

Y Inouye, B Sako

https://doi.org/10.1109/iscas.1994.409299

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Publication Date: May 30, 1994

Citations: 7

Affiliation: Osaka University, Gamal Abdel Nasser University of Conakry

#Transfer Function Matrix Of System #Identification Of Multichannel Systems + Show 8 more

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Abstract

This paper deals with the problem of identification of multichannel linear systems driven by unobservable colored inputs based on higher-order statistics of the outputs. Let S be the set of scalar stable transfer functions. We define the notion of a generalized permutation matrix (g-matrix) over S and that of a shift matrix (s-matrix). It is shown that the transfer function matrix of an unknown system is identified up to post-multiplication of the product of a g-matrix and a s-matrix. This result is applied to identifying FIR systems for blind signal separation. >

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