DocumentCode :
3249197
Title :
Multitaper Array Processing
Author :
Wage, Kathleen E.
Author_Institution :
George Mason Univ., Fairfax
fYear :
2007
fDate :
4-7 Nov. 2007
Firstpage :
1242
Lastpage :
1246
Abstract :
Thomson\´s multitaper approach generates estimates of the power spectrum by averaging individual "eigenspectra" obtained using a set of orthogonal window functions. The multitaper method is designed to work with very low sample support, typically a single snapshot of data, making it very attractive for the analysis of nonstationary or transient signals. This paper explores the use of the multitaper approach for spatial spectrum estimation in passive sonar. Several examples are given, and the problem of processing non-planewave signals is briefly discussed using an example motivated by a deep water propagation experiment.
Keywords :
adaptive signal processing; array signal processing; sonar signal processing; deep water propagation; eigenspectra; multitaper array processing; nonstationary signals; orthogonal window functions; passive sonar; spatial spectrum estimation; transient signals; Array signal processing; Covariance matrix; Drives; Frequency estimation; Power generation; Radar tracking; Remuneration; Signal design; Signal processing; Sonar;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signals, Systems and Computers, 2007. ACSSC 2007. Conference Record of the Forty-First Asilomar Conference on
Conference_Location :
Pacific Grove, CA
ISSN :
1058-6393
Print_ISBN :
978-1-4244-2109-1
Electronic_ISBN :
1058-6393
Type :
conf
DOI :
10.1109/ACSSC.2007.4487424
Filename :
4487424
Link To Document :
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