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Response Characteristics of a Short Range, High resolution, Digital Sonar Altimeter
Green, Malcolm O. Boon, John D.
Green, Malcolm O.
Boon, John D.
Abstract
The Datasonics Model ASA-920 digital sonar altimeter (DSA) is a compact, high frequency (1 MHz), short range (0.5 to 5 m) underwater sonar device originally designed as an altimeter for submersib1es. Wright et al. (1986) have used the DSA successfully to measure changes in relative bed elevation at a point on the shoreface prior to and during a storm. Fixed to a rigid mounting on the seabed, the DSA produces a digital output that is proportional to the transducer elevation above the bed. The purpose of this report is to describe the response characteristics of the DSA.
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1987-03-01
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green_boon1987.pdf
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Research and Technical Reports, Altimeter; Sedimentation and deposition-Measurement; Coast Changes
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Virginia Institute of Marine Science
DOI
https://doi.org/10.25773/v5-z99t-9770