Abstract
Acoustic transmission loss and reverberation data from two exercises were selected as inversion test cases for the Geoacoustic Inversion Techniques workshop, May 2001. The data was collected using air deployed sonobuoys with standard 0.82 kg SUS charges as sources. The acoustic data was presented in octave bands for frequencies from 25 to 800 Hz, and a 1/3 octave band for 3.5 and 6.5 kHz center frequencies. Environmental data consisted of bathymetry, and sound speeds gathered by AXBT’s. Background geophysical information was not given to the participants. Inversion results were encouraging. Selected examples will be shown. [Work supported by ONR/NRL and SPAWAR.]
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