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An asynchronous sensor bias estimation algorithm utilizing targets’ positions only

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SCI檢索
An asynchronous sensor bias estimation algorithm utilizing targets' positions only
作者:Yong, XJ (Yong, Xiaoju)[ 1 ] ; Fang, YW (Fang, Yangwang)[ 1 ] ; Wu, YL (Wu, Youli)[ 1 ] ; Yang, PF (Yang, Pengfei)[ 1 ]
INFORMATION FUSION
卷: 27  頁: 54-63
DOI: 10.1016/j.inffus.2015.05.003
出版年: JAN 2016
查看期刊信息
摘要
Bias estimation is a critical problem in multi-sensor tracking systems, and most existing research has focused on the bias estimation of synchronous sensors; however, in practical applications, sensor measurements are usually asynchronous. The primary contribution of this paper is that a novel algorithm using B-spline interpolation time registration to achieve asynchronous sensor bias estimation is proposed. First, measurements are transformed into synchronous data using the B-spline interpolation time registration method. The time registration results are expressed as weighted results of the measurements. Second, a pseudo measurement equation is created based on the synchronous data. Compared with the pseudo measurements of other algorithms that use weighting coefficients, which are calculated by the target's state, including the target's velocity and time of arrival (TOA), a pseudo measurement that only depends on the target's position can be derived. Thus, the problem of asynchronous sensor bias estimation, particularly with manoeuvring targets, can be solved effectively by the proposed algorithm. Finally, the effectiveness of the proposed algorithm is verified by simulations with the target performing s-shaped manoeuvres. Monte Carlo simulation results indicate that the Cramer-Rao lower bound (CRLB) is achievable; thus, the proposed algorithm is statistically efficient. (C) 2015 Elsevier B.V. All rights reserved.
關(guān)鍵詞
作者關(guān)鍵詞:Bias estimation; Data fusion; Manoeuvring targets; Spatial registration; Asynchronous sensors
KeyWords Plus:MULTISENSOR; FUSION
作者信息
通訊作者地址: Yong, XJ (通訊作者)
      Air Force Engn Univ, Sch Aeronaut & Astronaut Engn, Xian 710038, Shanxi, Peoples R China.
地址:
      [ 1 ] Air Force Engn Univ, Sch Aeronaut & Astronaut Engn, Xian 710038, Shanxi, Peoples R China
電子郵件地址:yongxiaoju1987@126.com; ywfang2008@sohu.com; ylwu@126.com; pfyang@126.com
出版商
ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
類別 / 分類
研究方向:Computer Science
Web of Science 類別:Computer Science, Artificial Intelligence; Computer Science, Theory & Methods
文獻(xiàn)信息
文獻(xiàn)類型:Article
語種:English
入藏號: WOS:000362145000005
ISSN: 1566-2535
eISSN: 1872-6305
期刊信息
Impact Factor (影響因子): Journal Citation Reports®
其他信息
IDS 號: CS5UY
Web of Science 核心合集中的 "引用的參考文獻(xiàn)": 19
Web of Science 核心合集中的 "被引頻次": 0

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