Field validation of long-term accuracy model with phased array DVLs

Jerker Taudien, Greg Rivalan, Sven G. Bilen

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

1 Scopus citations

Abstract

A Doppler velocity log sonar measures the relative velocity between an instrument and the bottom of a body of water by estimating the Doppler shift of back-scattered sound in multiple beams that point in different directions. The long-term-velocity accuracy of phased-array Doppler velocity logs contains errors including terrain bias, absorption bias, side-lobe coupling, and element spacing error. In this work we show that the theoretically derived long-term accuracy can be achieved in the field under different operating conditions. Distance traveled is measured by integrating the estimated velocity and it is compared to the distance traveled as measured with GPS. Accuracy measurements of Teledyne RDI Pioneer 300 and 600 instruments were performed on the San Diego Bay and the San Vicente Reservoir. The measured accuracy of the two instruments was within the specified accuracy by a large margin.

Original languageEnglish (US)
Title of host publicationOCEANS 2017 � Anchorage
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-6
Number of pages6
ISBN (Electronic)9780692946909
StatePublished - Dec 19 2017
EventOCEANS 2017 - Anchorage - Anchorage, United States
Duration: Sep 18 2017Sep 21 2017

Publication series

NameOCEANS 2017 - Anchorage
Volume2017-January

Other

OtherOCEANS 2017 - Anchorage
CountryUnited States
CityAnchorage
Period9/18/179/21/17

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All Science Journal Classification (ASJC) codes

  • Oceanography
  • Automotive Engineering
  • Water Science and Technology
  • Acoustics and Ultrasonics
  • Instrumentation
  • Ocean Engineering

Cite this

Taudien, J., Rivalan, G., & Bilen, S. G. (2017). Field validation of long-term accuracy model with phased array DVLs. In OCEANS 2017 � Anchorage (pp. 1-6). (OCEANS 2017 - Anchorage; Vol. 2017-January). Institute of Electrical and Electronics Engineers Inc..