NDLI: Tides and waves measured by radar

Content Provider	IEEE Xplore Digital Library
Author	Unterberger, R.
Copyright Year	1971
Description	Author affiliation: Texas A&M University, College Station, TX, USA (Unterberger, R.)
Abstract	An FMCW radar has been modified to measure the height of ocean waves and tides. Originally intended to measure hurricane waves to aid in offshore platform design, this system has the advantage of having no elements in the water. No wave staffs to lose. Theradar beam of 4300 MHz frequency modulated over 70 MHz is reduced in beamwidth toby additional horns. This beam is reflected from the water surface and an average distance measured as a function of time. The system has been tested on Platform HOPE in the Santa Barbara Channel for eight months. In the absence of large waves, the radar system measured four foot waves and tides. The tide radar data were checked with USC & GS Rincon Island tide measurements. Since the wave or tide data are contained in the frequency of an audio signal, these data can be sent over a telephone line and remotely displayed. A system such as this using a magnetic tape recorder might be used on a number of offshore platforms for wave height monitoring.
Starting Page	341
Ending Page	344
File Size	317454
Page Count	4
File Format	PDF
DOI	10.1109/OCEANS.1971.1161016
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1971-09-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency modulation Bandwidth Telephony Horn antennas Foot Radar antennas Delay effects Oceans Audio recording Magnetic recording
Content Type	Text
Resource Type	Article

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