A Lower Bound of Direction-of-Arrival Estimation for an Acoustic Vector Sensor Subject to Sensor Breakdown

被引：13
|
作者：
Song, Yang [1 ]
Wong, Kainam Thomas [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2012年 / 48卷 / 04期
关键词：
D O I：
10.1109/TAES.2012.6324763
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
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.
引用
收藏
页码：3703 / 3708
页数：6
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