Acoustic ducting, reflection, refraction, and dispersion by curved nonlinear internal waves in shallow water
Nonlinear internal waves in shallow water have been shown to be effective ducts of acoustic
energy, through theory, numerical modeling, and experiment. To date, most work on such …
energy, through theory, numerical modeling, and experiment. To date, most work on such …
[HTML][HTML] Multiscale multiphysics data-informed modeling for three-dimensional ocean acoustic simulation and prediction
Three-dimensional (3D) underwater sound field computations have been used for a few
decades to understand sound propagation effects above sloped seabeds and in areas with …
decades to understand sound propagation effects above sloped seabeds and in areas with …
Horizontal coherence of low-frequency fixed-path sound in a continental shelf region with internal-wave activity
Sound at 85 to 450 Hz propagating in approximately 80-m depth water from fixed sources to
a joint horizontal/vertical line array (HLA/VLA) is analyzed. The data are from a continental …
a joint horizontal/vertical line array (HLA/VLA) is analyzed. The data are from a continental …
Acoustic mode radiation from the termination of a truncated nonlinear internal gravity wave duct in a shallow ocean area
Horizontal ducting of sound between short-wavelength nonlinear internal gravity waves in
coastal environments has been reported in many theoretical and experimental studies …
coastal environments has been reported in many theoretical and experimental studies …
Using a numerical model to understand the connection between the ocean and acoustic travel-time measurements
BS Powell, CG Kerry, BD Cornuelle - The Journal of the Acoustical …, 2013 - pubs.aip.org
Measurements of acoustic ray travel-times in the ocean provide synoptic integrals of the
ocean state between source and receiver. It is known that the ray travel-time is sensitive to …
ocean state between source and receiver. It is known that the ray travel-time is sensitive to …
[PDF][PDF] The “integrated ocean dynamics and acoustics”(IODA) hybrid modeling effort
Regional ocean models have long been integrated with acoustic propagation and scattering
models, including work in the 1990s by Robinson and Lee. However, the dynamics in these …
models, including work in the 1990s by Robinson and Lee. However, the dynamics in these …
[HTML][HTML] Observation of sound focusing and defocusing due to propagating nonlinear internal waves
Fluctuations of the low frequency sound field in the presence of an internal solitary wave
packet during the Shallow Water'06 experiment are analyzed. Acoustic, environmental, and …
packet during the Shallow Water'06 experiment are analyzed. Acoustic, environmental, and …
INFLUENCE OF DE-COHERENCE EFFECTS ON SONAR ARRAY GAIN: SCLAED EXPERIMENT, SIMULATIONS AND SIMPLIFIED THEORY COMPARISON
G Real, X Cristol, D Habault, JP Sessarego… - … Acoustics Conference & …, 2015 - hal.science
Our study focuses on the subject of acoustic wave propagation through spatially fluctuating
ocean. The fluctuations are here linear internal waves (LIW) and we developed an …
ocean. The fluctuations are here linear internal waves (LIW) and we developed an …
[HTML][HTML] Coherence length as a figure of merit in multireference near-field acoustical holography
AT Wall, MD Gardner, KL Gee… - The Journal of the …, 2012 - pubs.aip.org
Multireference partial field decomposition (PFD) can be used to generate coherent
holograms for near-field acoustical holography measurements. PFD is most successful …
holograms for near-field acoustical holography measurements. PFD is most successful …
Effect of the internal tide on acoustic transmission loss at midfrequencies
J Yang, D Rouseff, D Tang… - IEEE Journal of Oceanic …, 2010 - ieeexplore.ieee.org
Nonlinear internal waves are a common event on the continental shelf. The waves depress
the high-gradient region of the thermocline and thicken the surface mixed layer with …
the high-gradient region of the thermocline and thicken the surface mixed layer with …