Proof of principle for inversion of vector sensor array data

Acoustic data collected from a 22 m long horizontal line array with elements comprised of omni-directional hydrophone sensors co-located with acceleration vector sensor triplets are analyzed for seabed geo-acoustic information. Broadband and continuous wave tone data were recorded from the passage o...

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Veröffentlicht in:The Journal of the Acoustical Society of America 2010-08, Vol.128 (2), p.590-599
1. Verfasser: Koch, Robert A.
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description Acoustic data collected from a 22 m long horizontal line array with elements comprised of omni-directional hydrophone sensors co-located with acceleration vector sensor triplets are analyzed for seabed geo-acoustic information. Broadband and continuous wave tone data were recorded from the passage of a surface vessel source, the R/V Montague, in an August 2006 experiment conducted in Monterey Bay. The water depth at the array and along the source track was approximately 85 m. Simultaneous inversions for source track and geo-acoustic parameters were performed with 18 tones from the 62-415 Hz tone data for source ranges 0.5-2.0 km. The efficacy of inversions with vector sensor data is demonstrated by the fact that data from vector sensor acceleration components parallel to the array line of bearing produced inversion solutions approximately identical to the solutions obtained from the inversion of data for the same tones from the hydrophone array components. In addition the source spectra derived from these inversions are in nominal agreement with the source spectra obtained from an independent measurement.
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subjects Acoustics
Algorithms
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Geologic Sediments
Models, Theoretical
Motion
Oceans and Seas
Physics
Radar
Signal Processing, Computer-Assisted
Sound
Sound Spectrography
Time Factors
Underwater sound
title Proof of principle for inversion of vector sensor array data
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