
SVD AND SIGNAL PROCESSING, III
Algorithms, Architectures and Applications
M. Moonen and B. De Moor (Editors)
1995 Elsevier Science B.V.
375
A TETRADIC DECOMPOSITION OF
4TH-ORDER TENSORS :
APPLICATION TO THE SOURCE SEPARATION PROBLEM
J.-F. CARDOSO
Tdldcom Paris / URA 820 / Gdr TdSI
Tdldcom Paris, 46 rue Barrault
7563~ Paris, France.
cardoso@sig, enst. fr
ABSTRACT. Two results are presented on a SVD-like decomposition of 4th-order tensors.
This is motivated by an array processing problem: consider an array of m sensors listening
at n independent narrow band sources; the 4th-order cumulants ...