A harmonic noise model for direction finding in colored ambientnoise
Vanpoucke, F.
Paulraj, A.
Dept. of Electr. Eng., Katholieke Univ., Leuven ;
This paper appears in: Signal Processing Letters, IEEE
Publication Date: Jul 1995
Volume: 2,
Issue: 7
On page(s): 135-137
ISSN: 1070-9908
References Cited: 7
CODEN: IESPEJ
INSPEC Accession Number: 5011614
Digital Object Identifier: 10.1109/97.392404
Current Version Published: 2002-08-06
Abstract
High-resolution algorithms for direction finding of narrowband
sources require a good estimate of the noise correlation matrix. We
derive a physically motivated linear noise model. It is based on a
Fourier expansion of the ambient noise field and is applicable to
arbitrary antenna arrays. We also show that for contrived cases, a
linear model may not be uniquely identifiable
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