[图书][B] Underwater acoustic modeling and simulation

PC Etter - 2018 - taylorfrancis.com
This newest edition adds new material to all chapters, especially in mathematical
propagation models and special applications and inverse techniques. It has updated …

Convergence, stability, and variability of shallow water acoustic predictions using a split-step Fourier parabolic equation model

KB Smith - Journal of Computational Acoustics, 2001 - World Scientific
The Shallow Water Acoustic Modeling (SWAM'99) Workshop was organized to examine the
ability of various acoustic propagation models to accurately predict sound transmission in a …

Low-frequency horizontal acoustic refraction caused by internal wave solitons in a shallow sea

BG Katsnel'son, SA Pereselkov - Acoustical physics, 2000 - Springer
The effect of internal wave solitons on the sound field generated by a point source in a
shallow sea is considered. In the framework of the theory of “horizontal rays and vertical …

Three-dimensional modeling of sound field holograms of a moving source in the presence of internal waves causing horizontal refraction

S Pereselkov, V Kuz'kin, M Ehrhardt… - Journal of Marine …, 2023 - mdpi.com
In this paper, we study the variations of holograms of a moving source in an inhomogeneous
ocean waveguide. It is assumed that intense internal waves (internal solitons) are the …

Study of a novel range-dependent propagation effect with application to the axial injection of signals from the Kaneohe source

FD Tappert, JL Spiesberger, MA Wolfson - The Journal of the …, 2002 - pubs.aip.org
A novel range-dependent propagation effect occurs when a source is placed on the seafloor
in shallow water with a downward refracting sound speed profile, and sound waves …

Infrasound propagation

RW Whitaker, DE Norris - Handbook of signal processing in acoustics, 2008 - Springer
This chapter provides an overview of issues relevant to infrasound propagation and models
that have been employed to understand low-frequency atmospheric wave dynamics and …

Vocalization characteristics of North Atlantic right whale surface active groups in the calving habitat, southeastern United States

V Trygonis, E Gerstein, J Moir… - The Journal of the …, 2013 - pubs.aip.org
Passive acoustic surveys were conducted to assess the vocal behavior of North Atlantic right
whales (Eubalaena glacialis) in the designated critical calving habitat along the shallow …

Dynamically orthogonal narrow-angle parabolic equations for stochastic underwater sound propagation. Part I: Theory and schemes

WH Ali, PFJ Lermusiaux - The Journal of the Acoustical Society of …, 2024 - pubs.aip.org
Robust informative acoustic predictions require precise knowledge of ocean physics,
bathymetry, seabed, and acoustic parameters. However, in realistic applications, this …

A three-dimensional propagation algorithm using finite azimuthal aperture

KB Smith - The Journal of the Acoustical Society of America, 1999 - pubs.aip.org
The use of three-dimensional (3-D) propagation models is becoming increasingly common
in current underwater acoustics applications. Such models typically treat the propagation as …

Examination of time-reversal acoustics in shallow water and applications to noncoherent underwater communications

KB Smith, AAM Abrantes, A Larraza - The Journal of the Acoustical …, 2003 - pubs.aip.org
The shallow water acoustic communication channel is characterized by strong signal
degradation caused by multipath propagation and high spatial and temporal variability of the …