Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19254
Title: Closed-form direction finding using collocated but orthogonally oriented higher order acoustic sensors
Authors: Song, Y
Wong, KT 
Keywords: Acoustic interferometry
acoustic signal processing
acoustic velocity measurement
array signal processing
direction of arrival estimation
phased arrays
sonar arrays
underwater acoustic arrays
Issue Date: 2012
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE sensors journal, 2012, v. 12, no. 8, 6193404, p. 2604-2608 How to cite?
Journal: IEEE sensors journal 
Abstract: This paper introduces new closed-form formulas to estimate an incident source's azimuth-elevation angle-of-arrival, for various combinations of higher order directional acoustic sensors, that are orthogonally oriented in a collocated triad. Also identified are the validity regions for un ambiguous estimation of the azimuth-elevation arrival-angle. These new direction-finding formulas may be used in the open literature's eigen-structure-based direction-finding algorithms, originally designed for (first-order) acoustic particle-velocity sensors.
URI: http://hdl.handle.net/10397/19254
ISSN: 1530-437X
DOI: 10.1109/JSEN.2012.2197608
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