NDLI: Target localization and course change detection using bearing and bearing rate measurements

Content Provider	IEEE Xplore Digital Library
Author	Horst, J. Oispuu, M.
Copyright Year	2011
Description	Author affiliation: Dept. Sensor Data and Information Fusion, Fraunhofer FKIE, Wachtberg, Germany (Horst, J.; Oispuu, M.)
Abstract	This paper addresses the problem of tracking a maneuvering target from passive measurements collected by a single observer. The target motion is characterized by several legs where in each leg the target moves with a constant speed and course. Course changes can be performed almost instantaneously. Furthermore, the observer takes either bearings-only or combined bearing and bearing rate measurements obtained by signals originating from the target. Here, the measurements are acquired by taking advantage of signal processing using a sensor array. In order to estimate the target state, a nonlinear Bayesian estimator, more precisely the marginalized particle filter, is applied in this work. Additionally, the times of course changes are detected employing a chi-square test. Finally, a comparison of the estimation results, obtained by Monte Carlo simulations, is performed between the cases of bearings-only measurements and combined bearing and bearing rate measurements. It is shown that a superior performance is achieved when using combined bearing and bearing rate measurements.
Starting Page	1
Ending Page	8
File Size	408939
Page Count	8
File Format	PDF
ISBN	9781457702679
e-ISBN	9780982443828
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Intl Society of Info Fusion
Subject Keyword	Particle measurements Atmospheric measurements Observers Mathematical model Covariance matrix Noise change detection Bearings-only tracking bearing rate target motion analysis maneuvering target particle filter
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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