Sediment volume search sonar

Thomas Blanford, Daniel Brown, S. F. Johnson, C. F. Brownstead

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Sediment Volume Search Sonar is a sensor whose goal is to improve buried unexploded ordinance (UXO) detection and classification performance through the design, build and demonstration of a sonar system that is deployed from a shallow-draft surface vessel. This sonar system produces a novel form of three-dimensional synthetic aperture sonar (SAS) imagery of surficial and buried UXO across a range of environments. The sensor is particularly suited for use in water depths less than 3 meters, and it provides sufficient detection and classification performance against objects of interest in water less than 5 meters depth. The sensor's hardware design was based in part upon data created in a modeling and simulation collaboration with the Applied Physics Laboratory at the University of Washington. This collaboration produced synthetic sensor data where the sensor/environment/target space could be modified to explore the expected operating conditions. The simulated data were also used to adapt a set of existing signal processing algorithms for formation of three-dimensional acoustic imagery. Recently, the sediment volume search sonar has been integrated to a shallow-water surface craft, and experiments have been conducted at a trial site in the Foster Joseph Sayers Reservoir near Howard, PA. This test site has been prepared with several buried man-made objects. Results will be presented showing the use of the sensor for detecting and localizing these objects.

Original languageEnglish (US)
Title of host publication24th European Meeting of Environmental and Engineering Geophysics
PublisherEuropean Association of Geoscientists and Engineers, EAGE
ISBN (Electronic)9789462822634
DOIs
StatePublished - Jan 1 2019
Event24th European Meeting of Environmental and Engineering Geophysics - Porto, Portugal
Duration: Sep 9 2018Sep 13 2018

Publication series

Name24th European Meeting of Environmental and Engineering Geophysics

Conference

Conference24th European Meeting of Environmental and Engineering Geophysics
CountryPortugal
CityPorto
Period9/9/189/13/18

Fingerprint

Sonar
sonar
Sediments
sensor
Sensors
sediment
Water
Synthetic aperture sonar
sonar imagery
acoustic imagery
signal processing
hardware
Signal processing
water depth
vessel
shallow water
Demonstrations
physics
Physics
Acoustics

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geochemistry and Petrology
  • Energy Engineering and Power Technology

Cite this

Blanford, T., Brown, D., Johnson, S. F., & Brownstead, C. F. (2019). Sediment volume search sonar. In 24th European Meeting of Environmental and Engineering Geophysics (24th European Meeting of Environmental and Engineering Geophysics). European Association of Geoscientists and Engineers, EAGE. https://doi.org/10.3997/2214-4609.201802463
Blanford, Thomas ; Brown, Daniel ; Johnson, S. F. ; Brownstead, C. F. / Sediment volume search sonar. 24th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists and Engineers, EAGE, 2019. (24th European Meeting of Environmental and Engineering Geophysics).
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Blanford, T, Brown, D, Johnson, SF & Brownstead, CF 2019, Sediment volume search sonar. in 24th European Meeting of Environmental and Engineering Geophysics. 24th European Meeting of Environmental and Engineering Geophysics, European Association of Geoscientists and Engineers, EAGE, 24th European Meeting of Environmental and Engineering Geophysics, Porto, Portugal, 9/9/18. https://doi.org/10.3997/2214-4609.201802463

Sediment volume search sonar. / Blanford, Thomas; Brown, Daniel; Johnson, S. F.; Brownstead, C. F.

24th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists and Engineers, EAGE, 2019. (24th European Meeting of Environmental and Engineering Geophysics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Blanford T, Brown D, Johnson SF, Brownstead CF. Sediment volume search sonar. In 24th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists and Engineers, EAGE. 2019. (24th European Meeting of Environmental and Engineering Geophysics). https://doi.org/10.3997/2214-4609.201802463