Abstract:Synthetic aperture sonar (SAS) is a promising technology for rapidly detecting and classifying underwater mines. Previous SAS systems have been mounted on swimming vehicles that typically undergo smoothly varying motion. E D 0 Electro-Ceramics built a SAS for us and Foster-Miller, Inc. mounted it on one of their underwater crawling vehicles. This SAS-Crawler operates at 160 kHz, has a theoretical resolution of 2.54 cm (1 in) in range and 1.27 cm (0.5 in) in cross-range (azimuth) out to 50 m, and is intended to… Show more
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