A solid-state ultrasonic image converter
Acoustical techniques can be used to obtain underwater images at distances greater than those currently obtained by optical means. Electronic scanning of a mosaic transducer at the focal plane of an acoustic lens enables target image reproduction on a cathode ray tube using intensity modulation....
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| Language: | en_US |
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Monterey, California. Naval Postgraduate School
2012
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| Online Access: | http://hdl.handle.net/10945/13054 |