A lower bound of direction-of-arrival estimation for an acoustic vector sensor subject to sensor breakdown

Yang Song; Kainam Thomas Wong

doi:10.1109/TAES.2012.6324763

A lower bound of direction-of-arrival estimation for an acoustic vector sensor subject to sensor breakdown

Yang Song, Kainam Thomas Wong

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

16 Citations (Scopus)

Abstract

The work presented here derives an approximate lower bound (ALB) for the error variance of direction-finding using a single acoustic vector sensor subject to random breakdown in its sensors. This ALB equals a weighted sum of Cramer-Rao bounds (CRBs), conditioned on disjoint events of sensor breakdown, that together define the overall phenomenon of random sensor breakdown. Its tightness is verified by Monte Carlo simulation of a maximum likelihood estimator.

Original language	English
Article number	6324763
Pages (from-to)	3703-3708
Number of pages	6
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	48
Issue number	4
DOIs	https://doi.org/10.1109/TAES.2012.6324763
Publication status	Published - 22 Oct 2012

ASJC Scopus subject areas

Aerospace Engineering
Electrical and Electronic Engineering

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10.1109/TAES.2012.6324763

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AB - The work presented here derives an approximate lower bound (ALB) for the error variance of direction-finding using a single acoustic vector sensor subject to random breakdown in its sensors. This ALB equals a weighted sum of Cramer-Rao bounds (CRBs), conditioned on disjoint events of sensor breakdown, that together define the overall phenomenon of random sensor breakdown. Its tightness is verified by Monte Carlo simulation of a maximum likelihood estimator.

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A lower bound of direction-of-arrival estimation for an acoustic vector sensor subject to sensor breakdown

Abstract

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