期刊
EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING
卷 -, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/ASP/2006/80720
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We present an ESPRIT-based algorithm that yields extended-aperture two-dimensional ( 2D) arrival angle and carrier frequency estimates with a sparse uniform array of electromagnetic vector sensors. The ESPRIT-based frequency estimates are first achieved by using the temporal invariance structure out of the two time-delayed sets of data collected from vector sensor array. Each incident source's coarse direction of arrival (DOA) estimation is then obtained through the Poynting vector estimates ( using a vector cross-product estimator). The frequency and coarse angle estimate results are used jointly to disambiguate the cyclic phase ambiguities in ESPRIT's eigenvalues when the intervector sensor spacing exceeds a half wavelength. Monte Carlo simulation results verified the e. ectiveness of the proposed method. Copyright (C) 2006 Hindawi Publishing Corporation. All rights reserved.
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