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http://dx.doi.org/10.5573/ieie.2014.51.2.141

Target Localization Using Underwater Objects in Multistatic Sonar  

Lee, Kwanghee (Kyungpook National University)
Seo, Ik-Su (Agency for Defense Development)
Han, Dong Seog (Kyungpook National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.51, no.2, 2014 , pp. 141-147 More about this Journal
Abstract
This paper proposes a robust localization algorithm and optimal number of receivers considering the detection range of underwater targets. The accuracies of the source position, receiver position and sound velocity are improved using the known positions of underwater objects. The accuracies of these parameters influences the performance of the target localization error. Although the source and receiver positions are obtained by the global positioning system (GPS), there are still positional errors due to GPS and variations in sea temperature. First, the influence of those errors are analyzed mathematically and an algorithm is improved to improve the accuracies of source position, receiver position and sound velocity by using geographic points. The performance of the proposed scheme is evaluated in comparison with the conventional algorithm by computer simulations.
Keywords
Sonar; Localization; Geographic Information; Underwater Target;
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