Obtaining the ocean index of refraction spectrum from the acoustic amplitude fluctuations
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Abstract
The feasibility of using acoustic measurements to determine the properties of a shallow water internal wave field is investigated through numerical simulations. The random intemal wave field is modeled by a generalized Garrett-Munk spectrum. The goal of the inversion is to recover the characteristic mode number, energy level and power-laws associated with the model. A hierarchy of inversion strategies is considered. Results from numerical simulations are presented together with a discussion of the remaining theoretical challenges.
Report Number
CP-45Source
In: High Frequency Seafloor Acoustics (SACLANTCEN Conference Proceedings CP-45), 1997, pp. 467-474Date
1997Author(s)
Rouseff, Daniel
; Ewart, Terry E.
; Reynolds, Stephen A.