NDLI: Multisource delay estimation: nonstationary signals (underwater acoustics)

Content Provider	IEEE Xplore Digital Library
Author	Lourtie, I.M.G. Moura, J.M.F.
Copyright Year	1991
Abstract	The authors study delay estimation in a very general framework: multiple sources, correlated noises, nonstationary random signals, and varying delays. The optimal maximum likelihood (ML) delay estimator is derived; its performance via the Cramer-Rao inequality is analyzed; and it is tested by experimentation with synthetic data. The present time-varying delay estimator extends to the nonstationary/multisource environment the estimators of L.C. Ng and Y. Bar-Shalom (1986), L.R. Kirlin and L.A. Dewey (1985), and C.H. Knapp and G.C. Carter (1976). However, the present receiver significantly departs from the correlator structures of those authors.<>
Sponsorship	IEEE Signal Processing Society
Starting Page	1033
Ending Page	1048
Page Count	16
File Size	1219429
File Format	PDF
ISSN	1053587X
Volume Number	39
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay estimation Underwater acoustics Maximum likelihood estimation Correlators Delay effects Sensor arrays Niobium Filters Bandwidth Fourier transforms
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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Multisource delay estimation: nonstationary signals (underwater acoustics)