Intense Internal Waves and Their Manifestation in Interference Patterns of Received Signals on Oceanic Shelf

Intense Internal Waves and Their Manifestation in Interference Patterns of Received Signals on... Processed data of SWARM-95 natural experiment on the New Jersey coast are reported. The experiment has been performed under conditions of perturbation of stationary path by intense internal waves, which led to horizontal refraction of acoustic waves. Separate source images, produced by direct and refracted acoustic fields, are obtained based on double Fourier transform of interference patterns. The interference patterns of the transfer functions of unperturbed waveguide and perturbation of the medium are recovered by filtering off the regions of source images in the spectrogram and applying double inverse Fourier transform to them. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physics of Wave Phenomena Springer Journals

Intense Internal Waves and Their Manifestation in Interference Patterns of Received Signals on Oceanic Shelf

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Publisher
Pleiades Publishing
Copyright
Copyright © 2018 by Allerton Press, Inc.
Subject
Physics; Quantum Optics; Acoustics
ISSN
1541-308X
eISSN
1934-807X
D.O.I.
10.3103/S1541308X18020103
Publisher site
See Article on Publisher Site

Abstract

Processed data of SWARM-95 natural experiment on the New Jersey coast are reported. The experiment has been performed under conditions of perturbation of stationary path by intense internal waves, which led to horizontal refraction of acoustic waves. Separate source images, produced by direct and refracted acoustic fields, are obtained based on double Fourier transform of interference patterns. The interference patterns of the transfer functions of unperturbed waveguide and perturbation of the medium are recovered by filtering off the regions of source images in the spectrogram and applying double inverse Fourier transform to them.

Journal

Physics of Wave PhenomenaSpringer Journals

Published: May 30, 2018

References

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