NDLI: Comparison of the mapping resolution of the ACID synthetic aperture sonar with existing sidescan sonar systems

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Comparison of the mapping resolution of the ACID synthetic aperture sonar with existing sidescan sonar systems

Content Provider	IEEE Xplore Digital Library
Author	Riyait, V.S. Lawlor, M.A. Adams, A.E. Hinton, O.R. Sharif, B.S.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Newcastle upon Tyne Univ., UK (Riyait, V.S.; Lawlor, M.A.; Adams, A.E.; Hinton, O.R.; Sharif, B.S.)
Abstract	The real-time processing and display of synthetic aperture sonar data for seafloor mapping was achieved by the ACID (ACoustical Imaging Development) synthetic aperture sonar during sea trials in May 1993. The aim of the project was to develop a synthetic aperture sonar for high resolution seafloor mapping. This paper discusses the parameters that were achieved using the ACID sonar and compares these with a number of existing sidescan sonar systems. It is shown that while some sidescan sonars have comparable along track resolution with the ACID sonar at near ranges, their resolution decreases rapidly with range. Sonar designers can use lower operating frequencies and still obtain high resolution mapping capabilities with synthetic aperture sonar systems. A number of images are presented which show the resolution capability of the ACID sonar. Images are presented of the seafloor when the sonar is operating in a traditional sidescan mode and when it is operating in a synthetic aperture processing mode. These images were obtained during sea trials near Toulon, France.
File Size	566269
File Format	PDF
ISBN	0780320565
DOI	10.1109/OCEANS.1994.364260
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-09-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synthetic aperture sonar Signal resolution Azimuth Sea floor Frequency Image resolution Stability Acoustical engineering Displays Acoustic imaging
Content Type	Text
Resource Type	Article

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