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Continuous Active Sonar for Undersea Vehicles Final Report: Input of Factor Graphs into the Detection, Classification, and Localization Chain and Continuous Active SONAR in Undersea Vehicles

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Technical Report,28 May 2013,31 Dec 2015

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Applied Research Laboratory, The Pennsylvania State University State College

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This report examines the application of factor graphs graph-based architectures utilizing message passing to the areas of continuous active sonar CAS and unmanned underwater vehicle signal processing. Closed-form factor graph formulations for detection, classification, and tracking are developed, and the effects on bistatic sonar performance of various categories of inter-vehicle messages are quantified. This report is excerpted from the thesis submitted by Brandi N. Gross in partial fulfillment of the requirements for the degree of Master of Science in Mechanical Engineering at Virginia Polytechnic Institute and State University. This research was conducted under ONRs Naval Undersea Research Program formerly the University Laboratory Initiative in 2014-2015 at Virginia Tech Prof. M. Roan, faculty advisor and the Applied Research Laboratory of The Pennsylvania State University Dr. J. Sacha, summer internship supervisor.

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