NDLI: Estimation of 2D-DOAs and angular spreads for coherently distributed sources using cumulants

Content Provider	IEEE Xplore Digital Library
Author	Gaoyi Zhang Tang Bin
Copyright Year	2007
Description	Author affiliation: Univ. of Electron. Sci. & Technol. of China, Chengdu (Gaoyi Zhang; Tang Bin)
Abstract	In this paper, a new 2D-DOAs and angular spreads estimation algorithm is proposed for coherently distributed (CD) sources. Based on the newly designed array geometry, multiple CD sources model is developed. The respectively azimuth DOAs, elevation DOAs and their angular spreads of CD sources can be estimated by the proposed LS-VESPA-based algorithm, which first compute the cumulants using the specially designed guiding sensors, then estimate the invariance structured matrix by LS-VESPA algorithm, and finally obtain the parameters from the phase information and the module information of the approximation closed form of the steering vectors. The efficiency of the algorithm is validated by computer simulations.
Starting Page	1
Ending Page	5
File Size	644820
Page Count	5
File Format	PDF
ISBN	9781424409549
DOI	10.1109/SPAWC.2007.4401279
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-17
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensor arrays Antenna arrays Azimuth Direction of arrival estimation Phase estimation Approximation algorithms Radar scattering Covariance matrix Geometry Solid modeling cumulants Distributed sources coherently 2D-DOAs angular spreads
Content Type	Text
Resource Type	Article

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