Bayesian source tracking and environmental inversion

Authors

  • Stan E. Dosso School of Earth and Ocean Sciences, University of Victoria, Victoria BC V8W 3P6, Canada

Keywords:

Acoustics, Bayesian networks, Differential equations, Inverse problems, Random errors, Sedimentation, Signal to noise ratio, Speed, Ultrasonic velocity measurement, Underwater audition, Acoustic datum, Acoustic sources, Attenuation, , Bayesian, Bayesian approaches, Environmental, Gaussian errors, Radial velocities, Seabed geoacoustic, Sediment layers, Sound speeds, Source tracking

Abstract

A Bayesian approach to two important and related inverse problems in underwater acoustics is presented. Seabed geoacoustic parameters include the thickness of an upper sediment layer with sound speed, density, and attenuation, overlaying a semi-infinite basement with sound speed, density and attenuation. The track consists of an acoustic source at 30-m depth moving away from the array at a constant radial velocity of 5 m/s. Acoustic data are collected at the array once per 9 minutes, corresponding to to source-receiver ranges of 4.0, 4.3, and 6.4 km. Random complex-Gaussian errors are added to the data to achieve a signal-to-noise (SNR) that varies from -2 to -8 dB.

Downloads

Published

2008-09-01

How to Cite

1.
Dosso SE. Bayesian source tracking and environmental inversion. Canadian Acoustics [Internet]. 2008 Sep. 1 [cited 2023 Mar. 30];36(3):174-5. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2094

Issue

Vol. 36 No. 3 (2008)

Section

Proceedings of the Acoustics Week in Canada

License

Copyright on articles is held by the author(s). The corresponding author has the right to grant on behalf of all authors and does grant on behalf of all authors, a worldwide exclusive licence (or non-exclusive license for government employees) to the Publishers and its licensees in perpetuity, in all forms, formats and media (whether known now or created in the future)
i)    to publish, reproduce, distribute, display and store the Contribution;
ii)    to translate the Contribution into other languages, create adaptations, reprints, include within collections and create summaries, extracts and/or, abstracts of the Contribution;
iii)    to exploit all subsidiary rights in the Contribution,
iv)    to provide the inclusion of electronic links from the Contribution to third party material where-ever it may be located;
v)    to licence any third party to do any or all of the above.

Most read articles by the same author(s)

1 2 3 > >>