Title

Performance limitations on travel time and phase data extraction for bathymetry side-scan sonars

Document Type

Conference Proceeding

Date of Original Version

12-1-1993

Abstract

Bathymetry side-scan sonars (BASS), using two rows of transducers and phase measuring technique, offer a simple approach to single swath mapping sonar systems which integrate both seafloor bathymetry and imagery. This paper discusses both BASS system design and the environmental factors which influence our ability to accurately determine travel time and arrival angle - the two parameters required to determine bathymetry. We have recently examined bathymetric performance limitations for an upgraded GLORIA system belonging to the USGS. Theoretical GLORIA phase data are presented along with the first field data. Phase difference estimates using different phase estimation algorithms are presented.

Publication Title

Proceedings of the Conference on Oceans '93

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