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Time-Evolving Acoustic Propagation Modeling in a Complex Ocean Environment

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Author: Colin, M.E.G.G. · Duda, T.F. · Raa, L.A. te · Zon, T. van · Haley Jr., P.J. · Lermusiaux, P.F.J. · Leslie, W.G. · Mirabito, C. · Lam, F.P.A. · Newhall, A.E. · Lin, Y.T. · Lynch, J.F.
Type:article
Date:2013
Publisher: IEEE.
Place: Piscataway,NJ
Source:2013 MTS/IEEE OCEANS, 10-14 June 2013, Bergen, Norway
Identifier: 486056
doi: doi:doi:10.1109/OCEANS-Bergen.2013.6608051
Keywords: Sonar performance prediction · Acoustic modeling · Ocean modeling · Internal waves · Shallow water acoustics · Physics & Electronics · AS - Acoustics & Sonar · TS - Technical Sciences

Abstract

During naval operations, sonar performance estimates often need to be computed in-situ with limited environmental information. This calls for the use of fast acoustic propagation models. Many naval operations are carried out in challenging and dynamic environments. This makes acoustic propagation and sonar performance behavior particularly complex and variable, and complicates prediction. Using data from a field experiment, we have investigated the accuracy with which acoustic propagation loss (PL) can be predicted, using only limited modeling capabilities. Environmental input parameters came from various sources that may be available in a typical naval operation