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Minimum-norm updating with the rank-revealing URV decomposition

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3 Author(s)
Griffin, M.F. ; United Technologies Res. Center, East Hartford, CT, USA ; Boman, E.C. ; Stewart, G.W.

In many practical direction-of-arrival (DOA) problems the number of sources and their directions from an antenna array do not remain stationary. Hence a practical DOA algorithm must be able to track changes with a minimal number of snapshots. DOA algorithms, based on a new decomposition, the URV decomposition, that are not expensive to compute or difficult to update are presented. The algorithms are compared with algorithms based on the singular value decomposition (SCD)

Published in:

Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on  (Volume:5 )

Date of Conference:

23-26 Mar 1992