NDLI: A new method for sea wave detection by using a speed log meter

Content Provider	IEEE Xplore Digital Library
Author	Recolons, J. Torrents, J.M.
Copyright Year	2011
Description	Author affiliation: Dept. of Electronic Engineering, Polytechnic University of Catalonia, C/ Jordi Girona 1-3, Barcelona 08034 Spain (Torrents, J.M.) \|\| Dept. of Nautical Science and Engineering, Polytechnic University of Catalonia, Facultat de Nàutica de Barcelona, Pla de Palau 18, Barcelona 08003 Spain (Recolons, J.)
Abstract	We present two different methods for measuring waves from the information provided by the speed log meter onboard. The first method processes data in the time domain, and is based in the measurement of the standard deviation of the voltage signal period at the transducer output. The second method is based in the measurement of the −3dB bandwidth of the frequency peaks in the spectral domain. Our results show a Lorentzian widening of the spectrum due to the effect of waves similar to the effect of jitter in electrical oscillators. As a predictable phenomenon, this work can lead to the design of new low-cost wave measurement systems and enhanced autopilot systems.
Starting Page	1
Ending Page	10
File Size	1342583
Page Count	10
File Format	PDF
ISBN	9781457700866
e-ISBN	9781457700880
DOI	10.1109/Oceans-Spain.2011.6003521
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-06
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea measurements Marine vehicles Transducers Noise Jitter Time measurement Bandwidth
Content Type	Text
Resource Type	Article

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