NDLI: DOA estimation using vector sensor arrays

Content Provider	IEEE Xplore Digital Library
Author	Hung Lai Bell, K. Cox, H.
Copyright Year	2008
Description	Author affiliation: Lockheed Martin, Arlington, VA (Hung Lai; Cox, H.)
Abstract	We consider the problem of estimating the azimuth and elevation angle of sources using a vertical line array of vector sensors. Three alternative direction-of-arrival (DOA) estimators are considered. The first approach uses beam cross-correlation. The other two approaches are element-space and beamspace versions of an eigenvector-normalization scheme in which the eigenvector is normalized by its omni-directional component. The performance of these DOA estimators is evaluated for a vertical line array of 2D vector sensors (DIFARs) using simulation scenarios that involve mostly 3D isotropic noise and either no interferer or one loud interferer at various separation distances from a weak target.
Starting Page	293
Ending Page	297
File Size	497132
Page Count	5
File Format	PDF
ISBN	9781424429400
ISSN	10586393
DOI	10.1109/ACSSC.2008.5074411
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensor arrays Direction of arrival estimation Array signal processing Velocity measurement Pressure measurement Covariance matrix Azimuth Acoustic sensors Acoustic beams Sensor phenomena and characterization
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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