Propagation and scattering effects in underwater acoustic communication channels

PA Van Walree - IEEE Journal of Oceanic Engineering, 2013 - ieeexplore.ieee.org
Systematic measurements were performed to characterize shallow-water acoustic
propagation channels for applications in the field of underwater communications. The survey …

Ultrawideband underwater acoustic communication channels

PA Van Walree, R Otnes - IEEE Journal of Oceanic …, 2013 - ieeexplore.ieee.org
Traditional channel models for communications research are designed for narrowband
systems. Underwater acoustic communication systems use a bandwidth that is not small …

Validation of replay-based underwater acoustic communication channel simulation

R Otnes, PA van Walree… - IEEE Journal of Oceanic …, 2013 - ieeexplore.ieee.org
This paper discusses validation methods for underwater acoustic communication channel
simulators, and validates direct and stochastic replay of underwater acoustic communication …

Simulation of an underwater acoustic communication channel characterized by wind-generated surface waves and bubbles

HS Dol, MEGD Colin, MA Ainslie… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
Sea-surface scattering by wind-generated waves and bubbles is regarded to be the main
nonplatform related cause of the time variability of shallow acoustic communication …

[HTML][HTML] Acoustic scattering comparison of Kirchhoff approximation to Rayleigh-Fourier method for sinusoidal surface waves at low grazing angles

EL Richards, HC Song, WS Hodgkiss - The Journal of the Acoustical …, 2018 - pubs.aip.org
The Fourier series method for implementing the Rayleigh hypothesis [Rayleigh-Fourier
method (RFM)] is used as a reference solution to assess the Kirchhoff approximation of the …

[HTML][HTML] Arrival-time fluctuations of coherent reflections from surface gravity water waves

M Badiey, J Eickmeier, A Song - The Journal of the Acoustical Society …, 2014 - pubs.aip.org
Arrival time fluctuations of coherent reflections from surface gravity waves are examined. A
two-dimensional ray model with an evolving rough sea surface is used to explain the …

Observations of sea-surface waves during the 2013 target and reverberation experiment (TREX13) and relation to midfrequency sonar

PH Dahl, DR Dall'Osto - IEEE Journal of Oceanic Engineering, 2016 - ieeexplore.ieee.org
As part of the 2013 Target and REverberation eXperiment (TREX13), which took place off
the coast of Panama City, FL, USA, directional wave measurements were made using two …

Measuring the characteristics of backscattering of sound on a rough surface in the near-field zone of a phased array

MB Salin, OA Potapov, BM Salin, AS Chashchin - Acoustical physics, 2016 - Springer
The paper presents the results of an experiment on measuring the characteristics of
backscattering of sound waves by a rough surface. Measurements were conducted in the …

Vertical coherence and forward scattering from the sea surface and the relation to the directional wave spectrum

PH Dahl, WJ Plant, DR Dall'Osto - The Journal of the Acoustical Society …, 2013 - pubs.aip.org
Results of an experiment to measure vertical spatial coherence from acoustic paths
interacting once with the sea surface but at perpendicular azimuth angles are presented …

Wide-band shallow acoustic channel simulation with realistic Doppler and delay spreading for 3D evolving rough surfaces

MS Caley, AJ Duncan - 2016 IEEE Third Underwater …, 2016 - ieeexplore.ieee.org
A phase-coherent shallow underwater multipath channel simulation is described that
combines the eigenpath amplitude/delay responses from a ray-tracing model for the flat …