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Spectral evaluation of motion compen...

Egeland, Matthew Nicklas.

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Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements./
作者:	Egeland, Matthew Nicklas.
面頁冊數:	92 p.
附註:	Source: Masters Abstracts International, Volume: 54-02.
Contained By:	Masters Abstracts International54-02(E).
標題:	Ocean engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1527052
ISBN:	9781321403473

Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements.
Egeland, Matthew Nicklas.

Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements. - 92 p.

Source: Masters Abstracts International, Volume: 54-02.

Thesis (M.S.)--Florida Atlantic University, 2014.

This item must not be sold to any third party vendors.

A motion compensated ADV system was evaluated to determine its ability to make measurements necessary for characterizing the variability of the ambient current in the Gulf Stream. The impact of IMU error relative to predicted turbulence spectra was quantified, as well as and the ability of the motion compensation approach to remove sensor motion from the ADV measurements. The presented data processing techniques are shown to allow the evaluated ADV to be effectively utilized for quantifying ambient current fluctuations from 0.02 to 1 Hz (50 to 1 seconds) for dissipation rates as low as 3x10 -7. This measurement range is limited on the low frequency end by IMU error, primarily by the calculated transformation matrix, and on the high end by Doppler noise. Inshore testing has revealed a 0.37 Hz oscillation inherent in the towfish designed and manufactured as part of this project, which can nearly be removed using the IMU.

ISBN: 9781321403473Subjects--Topical Terms:

660731
Ocean engineering.

Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements.
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245 1 0 $a Spectral evaluation of motion compensated ADV systems for ocean turbulence measurements.
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500 $a Source: Masters Abstracts International, Volume: 54-02.
500 $a Adviser: Karl von Ellenrieder.
502 $a Thesis (M.S.)--Florida Atlantic University, 2014.
506 $a This item must not be sold to any third party vendors.
520 $a A motion compensated ADV system was evaluated to determine its ability to make measurements necessary for characterizing the variability of the ambient current in the Gulf Stream. The impact of IMU error relative to predicted turbulence spectra was quantified, as well as and the ability of the motion compensation approach to remove sensor motion from the ADV measurements. The presented data processing techniques are shown to allow the evaluated ADV to be effectively utilized for quantifying ambient current fluctuations from 0.02 to 1 Hz (50 to 1 seconds) for dissipation rates as low as 3x10 -7. This measurement range is limited on the low frequency end by IMU error, primarily by the calculated transformation matrix, and on the high end by Doppler noise. Inshore testing has revealed a 0.37 Hz oscillation inherent in the towfish designed and manufactured as part of this project, which can nearly be removed using the IMU.
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650 4 $a Ocean engineering. $3 660731
650 4 $a Physical oceanography. $3 3168433
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