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Space-time sound field interference in the horizontal plane in a coastal slope region

Space-time sound field interference in the horizontal plane in a coastal slope region Abstract The nonstationary interference structure formed in the horizontal plane in the field of a point source in a coastal slope region is analyzed on the basis of the space-time horizontal ray concept. For a model that includes the typical bathymetry and sound velocity profile, the space, time, and frequency dependences of the sound field are considered for different waveguide modes. The characteristic scales of the field variability in space and time are estimated. The frequency-time diagram is analyzed for the region of the interference of direct and reflected waves. The variability of the field interference structure in the presence of mesoscale perturbations is considered. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustical Physics Springer Journals

Space-time sound field interference in the horizontal plane in a coastal slope region

Acoustical Physics , Volume 58 (3): 7 – May 1, 2012

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References (21)

Publisher
Springer Journals
Copyright
2012 Pleiades Publishing, Ltd.
ISSN
1063-7710
eISSN
1562-6865
DOI
10.1134/s1063771012020078
Publisher site
See Article on Publisher Site

Abstract

Abstract The nonstationary interference structure formed in the horizontal plane in the field of a point source in a coastal slope region is analyzed on the basis of the space-time horizontal ray concept. For a model that includes the typical bathymetry and sound velocity profile, the space, time, and frequency dependences of the sound field are considered for different waveguide modes. The characteristic scales of the field variability in space and time are estimated. The frequency-time diagram is analyzed for the region of the interference of direct and reflected waves. The variability of the field interference structure in the presence of mesoscale perturbations is considered.

Journal

Acoustical PhysicsSpringer Journals

Published: May 1, 2012

Keywords: Acoustics

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