Journal of the Japan Society for Marine Surveys and Technology
Online ISSN : 2185-4920
Print ISSN : 0915-2997
ISSN-L : 0915-2997
Articles
Oceanfloor Imaging System-IZANAGI-
Fujio YamamotoEiichi TokuyamaKazuo YorimitsuAsahiko Taira
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1989 Volume 1 Issue 2 Pages 1_45-1_51

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Abstract
IZANAGI, Oceanfloor Imaging System(OIS), is a 11/12 kHz, long-range, and shallow towed, high-speed side scan sonar system. It produces geometrically correct synoptic acoustic backscatter images and hydrographic-quality swath bathymetry charts in water depths from about 300 to 10,000 meters. The bathymetry charts are produced by using multiple rows of transducers to measure the phase delay (and thus the angle of incidence) at the towed array from all echoes from the seafloor.
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© 1989 Japan Society for Marine Surveys and Technology
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