Measurements of temporal coherence of sound transmissions through shallow water

TC Yang - The Journal of the Acoustical Society of America, 2006 - pubs.aip.org
In this paper we report the measurements of temporal coherence of acoustic signals
propagating through shallow water using data from three experiments in three different parts …

[HTML][HTML] A new analytical model for internal solitons in the ocean

JR Apel - Journal of Physical Oceanography, 2003 - journals.ametsoc.org
A new model for tidally generated internal solitons in the ocean is advanced, based on a
little-known asymptotic analytical solution to the weakly nonlinear Korteweg–de Vries …

Polynomial chaos representation of spatio-temporal random fields from experimental measurements

S Das, R Ghanem, S Finette - Journal of Computational Physics, 2009 - Elsevier
Two numerical techniques are proposed to construct a polynomial chaos (PC)
representation of an arbitrary second-order random vector. In the first approach, a PC …

Acoustic propagation through anisotropic internal wave fields: Transmission loss, cross-range coherence, and horizontal refraction

R Oba, S Finette - The Journal of the Acoustical Society of America, 2002 - pubs.aip.org
Results of a computer simulation study are presented for acoustic propagation in a shallow
water, anisotropic ocean environment. The water column is characterized by random volume …

Acoustic mode coupling induced by nonlinear internal waves: Evaluation of the mode coupling matrices and applications

TC Yang - The journal of the acoustical society of America, 2014 - pubs.aip.org
This paper applies the mode coupling equation to calculate the mode-coupling matrix for
nonlinear internal waves appearing as a train of solitons. The calculation is applied to an …

Coherence of acoustic modes propagating through shallow water internal waves

D Rouseff, A Turgut, SN Wolf, S Finette… - The journal of the …, 2002 - pubs.aip.org
The 1995 Shallow Water Acoustics in a Random Medium (SWARM) experiment [Apel et al.,
IEEE J. Ocean. Eng. 22, 445–464 (1997)] was conducted off the New Jersey coast. The …

Spatial and temporal variations in acoustic propagation characteristics at the New England shelfbreak front

JF Lynch, AE Newhall, B Sperry… - IEEE Journal of …, 2003 - ieeexplore.ieee.org
The spatial and temporal variability of the acoustic field in the region of a strong coastal
shelfbreak front are examined, using the high-resolution environmental data from the 1996 …

[HTML][HTML] Modulation effects of internal-wave evolution on acoustic modal intensity fluctuations in a shallow-water waveguide

Q Li, C Sun, L Xie, X Huang - Journal of Marine Science and Engineering, 2023 - mdpi.com
Internal solitary waves evolving with time in shallow water are known to affect sound
propagation significantly. Unlike prior work studying the acoustic effects of individual internal …

Horizontal array beamforming in an azimuthally anisotropic internal wave field

S Finette, R Oba - The Journal of the Acoustical Society of America, 2003 - pubs.aip.org
A numerical study of beamforming on a horizontal array is performed in a shallow water
waveguide where a summer thermocline is perturbed by a time evolving realization of an …

Analysis and modeling of broadband airgun data influenced by nonlinear internal waves

SD Frank, M Badiey, JF Lynch… - The Journal of the …, 2004 - pubs.aip.org
To investigate acoustic effects of nonlinear internal waves, the two southwest tracks of the
SWARM 95 experiment are considered. An airgun source produced broadband acoustic …