25970920
9781423549604
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In this work, the influences of various environmental scenarios on the bottom interface and volume reverberation in shallow water were numerically analyzed. Based on similar modeling reverberation geometry defined in previous works, the numerical analyses were conducted for broadband pulse signals to generate complex reverberation structures in the time-domain. The reverberation model used is based on the well- documented Parabolic Equation (PE) approximation The environmental scenarios are divided into three main categories. They include different sound speed profiles, different levels of bottom interface roughness and different bottom volume fluctuations. While one category is being analyzed, the other two are held constant. The various analyses include broadband two-way reverberation levels comparisons, vertical correlation analysis and power spectral analysis.Naval Postgraduate School Monterey CA is the author of 'Environmental Influence on Shallow Water Bottom Reverberation', published 2002 under ISBN 9781423549604 and ISBN 1423549600.
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