NDLI: A New Method for Obtaining the Directional Spectrum of Ocean Surface Gravity Waves

Content Provider	IEEE Xplore Digital Library
Author	Ford, J.R. Timme, R.C. Trampus, A.
Copyright Year	1963
Abstract	The measurement of wave height and direction spectra is a classical problem; it has been attempted in a variety of ways with various degrees of success In this paper, the Oceanics Division (formerly National Marine Consultants) of Interstate Electronics Corporation extends these previous efforts, utilizing applicable background work to obtain the desired electronic wave height and direction system. The system basically provides the time history of amplitude and wave slope to allow the two-dimensional wave spectrum to be uniquely computed. For simplicity of thought, the surface of the sea is most easily considered as sinusoidal. However, the statistical and spectral mathematical tools used allow the more random and confused surface characteristics to be taken into account. Efficient processing, recording, reduction, and evaluation of the data thus provide the oceanographer with the desired spectral coefficients related to power density and directional spectra. Typical installations are discussed showing applications to pier or pole mounting as well as deep-moored buoy installations.
Starting Page	190
Ending Page	197
Page Count	8
File Size	4606607
File Format	PDF
ISSN	00189413
Volume Number	6
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1968-11-01
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oceans Surface waves Sea surface Gravity Sea measurements Sensor arrays Costs Data analysis Geoscience History
Content Type	Text
Resource Type	Article
Subject	Medicine

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