NDLI: System design and fusion techniques for multistatic active sonar

Content Provider	IEEE Xplore Digital Library
Author	Ehlers, F. Daun, M. Ulmke, M.
Copyright Year	2009
Description	Author affiliation: NATO Undersea Research Centre, NURC, 19126 La Spezia, Italy (Ehlers, F.) \|\| Dept. Sensor Data and Information Fusion, FGAN-FKIE, 53343 Wachtberg, Germany (Daun, M.; Ulmke, M.)
Abstract	Recent advances in construction technology have led to the commission of new classes of submarines which are very silent and highly manoeuvrable. Their detection by purely passive means reaches only limited performance. Active sonar systems, instead, offer sufficient performance, especially when operating in a multistatic setup, i. e., using multiple and spatially distributed sources and sensors to activate and receive echoes. However, the ocean, and in particular in areas of shallow water, which are of operational interest, offers only noisy and fading channels for sound transmission. Furthermore, reverberation generates clutter contacts that add to the set of contacts originated by the target. Therefore, when applying data fusion and tracking to multistatic sonar data, it is necessary to take account of these stochastic features. In this paper, we discuss preliminaries for the construction of optimal fusion techniques reflecting the physical knowledge of the stochastic features in the underwater sound channel. We apply two different tracking techniques to data sets gathered from sea experiments: a version of the Multi Hypothesis Tracking (MHT) algorithm, which has been extended for the multistatic measurements, and a version of the Cardinalized Probability Hypothesis Density (CPHD) filter, also extended for multistatic measurements and, especially, for the fusion of data from qualitatively different receivers.
Starting Page	1
Ending Page	10
File Size	857750
Page Count	10
File Format	PDF
ISBN	9781424425228
DOI	10.1109/OCEANSE.2009.5278319
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sonar Underwater tracking Stochastic processes Density measurement Sea measurements Marine technology Underwater vehicles Acoustic sensors Oceans Acoustic noise Data fusion Multistatic active sonar Multi Hypothesis Tracking Probability Hypothesis Density filter
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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