Spectral Parameterization of Sound Wave Scattering from a Random Ocean Bottom and Acoustic Reconnaissance Data Analysis.
1997
Frisk, George V. | Tang, Dajun
The objectives of the grant was to develop a new concept called the Scattering Correlation Coefficient (SCC) to characterize low-frequency bottom scattering and to analyze some of the 1991 ARSRP reconnaissance experiment data obtained in the sediment pond. In the data analysis part of our work, we concentrated on understanding the data set near a sediment pond area. Because the environment surrounding this pond was very complicated, and the acoustic source/receiver array responses have complicated structures, we proceeded by isolating individual effects and comparing the scattered signals due to the sediment with those due to rocky areas at exactly the same incident and scattering angles. We accomplished this by using forward- and backward-looking beam signals with the same beam angles. Pings 198 and 199 from the ARSRP 1991 reconnaissance cruise were extensively examined. For the modeling part, we have introduced a spectral parameterization which is suitable for describing acoustic scattering from a random ocean bottom.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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