NDLI: Relationships among Vernier-method and other direction-of-arrival estimators

Content Provider	IEEE Xplore Digital Library
Author	Sintes, C. Foote, K.G. Llort-Pujol, G.
Copyright Year	2015
Description	Author affiliation: Thalos SAS, Ploemeur, France (Llort-Pujol, G.) \|\| Lab.-STICC, Telecom Bretagne, Brest, France (Sintes, C.) \|\| Woods Hole Oceanogr. Instn., Woods Hole, MA, USA (Foote, K.G.)
Abstract	Interferometry is a powerful method to estimate direction of arrival (DOA) in seafloor mapping. Its main difficulty derives from a 2π-ambiguity in phase, complicated by the presence of noise. Here, the Vernier method is explained and its performance is analyzed. This performance is compared against that of three other DOA estimators, namely the multiple signal classification (MUSIC) algorithm and two maximum likelihood estimators (MLEs) for real data derived from measurements with a dual-baseline sidescan sonar operating at 455 kHz. It is shown that the performance of all four estimators is impacted by a quantity that is treated explicitly within the Vernier method.
Starting Page	1
Ending Page	6
File Size	297037
Page Count	6
File Format	PDF
e-ISBN	9781479987368
DOI	10.1109/OCEANS-Genova.2015.7271730
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Maximum likelihood estimation Direction-of-arrival estimation Multiple signal classification Noise Interferometers Vernier method Sonar interferometry phase-measuring sonar dual-baseline sidescan sonar direction-of-arrival determination
Content Type	Text
Resource Type	Article

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