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Theory and application of calibration techniques for an NDBC directional wave measurements buoy

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3 Author(s)
Steele, K. ; National Data Buoy Center, Nation Space Tech. Laboratories, NSTL, MS ; Joseph Lau ; Yuan-Huang Hsu

The National Data Buoy Center (NDBC) of the National Oceanic and Atmospheric Administration (NOAA) deployed a 10-m-diameter discus-type hull in the Pacific Ocean some 185 km southwest of Los Angeles, California, in April 1984. Aboard this hull was an electronic system capable of acquiring, processing, and transmitting to shore directional wave measurements. For this system to produce accurate data, a number of factors had to be taken into account. These factors included noise, amplitude and phase alterations due to mechanical and electrical components, and magnetic fields arising from the hull. Comprehensive calibration and verification techniques were developed and applied to ensure data quality. The system configuration is described with emphasis on the methods used in the data processing to correct for the various factors. Examples of the resulting corrected data are given.

Published in:

Oceanic Engineering, IEEE Journal of  (Volume:10 ,  Issue: 4 )