Long-range Propagation Prediction in Shallow Water
نویسندگان
چکیده
1. Centre for Marine Science and Technology, Curtin University of Technology, G.P.O. Box U1987, Perth, Western Australia 6845. email: J.Hoffman cmst.curtin.edu.au, J.Penrose cmst.curtin.edu.au 2. Nautronix Ltd., 108 Marine Tce, Fremantle, Western Australia, 6160. email: Sandro.Ghiotto nautronix.com.au 3. Maritime Operations Division, Defence Science and Technology Organisation, Building A51, H.M.A.S. Stirling, Rockingham, Western Australia 6958. email: Darryl.McMahon dsto.defence.gov.au
منابع مشابه
Acoustic characterization techniques for shallow water
Variability in the ocean environment can greatly impact acoustic propagation. Sonar systems often show large performance differences depending on location and oceanographic conditions. The long term goals of this research is to better understand the fundamental environmental quantities that impact shallow water acoustic propagation and to develop techniques for both characterizing the environme...
متن کاملLong-range propagation of finite-amplitude acoustic waves in an ocean waveguide
A hybrid method coupling nonlinear and linear propagation codes is used to study the nonlinear signature of long-range acoustic propagation for high-amplitude sources in an ocean waveguide. The differences between linear and nonlinear propagation are investigated in deep and shallow water environments. The spectral reshaping that occurs in nonlinear propagation induces two main effects: in shal...
متن کاملPerturbation Modeling and Data Analysis in ASIAEX
Shallow water acoustics and the performance of sonar systems in littoral environments are critical areas of interest to the US Navy. In response to this, the Office of Naval Research sponsored a series of acoustics experiments in the East and South China Seas, hereafter referred to as ASIAEX. Components of these experiments included studies of shallow water reverberation, geoacoustic properties...
متن کاملCharacterisation of an Air-gun as a Sound Source for Acoustic Propagation Studies
ABSTRACT The prediction of underwater acoustic propagation is important strategically and tactically in undersea warfare as it is a critical parameter in determining detection range. In the relatively shallow waters of the continental shelves the acoustic properties of the seabed become the dominant factor but there are only a few locations where the relevant properties have been adequately det...
متن کاملInversion for Geoacoustic Model Parameters in Range-Dependent Shallow Water Environments from the SW06 Experiment
The ability to predict sound propagation in shallow water is limited by the knowledge of the geoacoustic properties of the ocean bottom. The long term goals of this research are: (1) to develop full field inversion methods for estimating parameters of geoacoustic models of the ocean bottom and the associated uncertainties in the model parameter values; and (2) to evaluate the performance of the...
متن کامل