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Under-determined mixtures are characterized by the fact that they have more inputs than outputs, or, with the antenna array processing terminology, more sources than sensors. The problem addressed is that of identifying and inverting the mixture, which obviously does not admit a linear inverse. Identification is carried out with the help of tensor canonical decompositions. On the other hand, the discrete distribution of the sources is utilized for performing the source extraction, the under-determined mixture being either known or unknown. The results presented in this paper are limited to two-dimensional (2-D) mixtures of three sources.
Published in:
Signal Processing, IEEE Transactions on
(Volume:52
,
Issue:
1
)
Date of Publication: Jan. 2004
- Page(s):
- 11 - 22
- ISSN :
- 1053-587X
- INSPEC Accession Number:
- 7890103
- Digital Object Identifier :
- 10.1109/TSP.2003.820073
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 08 January 2004
- Issue Date :
- Jan. 2004
- Sponsored by :
- IEEE Signal Processing Society
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