The Cylindrical Transducer at the Underwater Sound Laboratory.
NAVAL UNDERWATER SYSTEMS CENTER NEW LONDON CT NEW LONDON LAB
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Two major projects in the field of scanning sonar were initiated at the Harvard Underwater Sound Laboratory and completed at the New London Underwater Sound Laboratory, following transfer in July 1945. The first of these developments involved the exploitation of the scanning sonar principle in a vertical scanning system for target depth determination. This was designed as part of a complete searchattack system known as the Type B Integrated Sonar. The second major development was an electronically rotated scanning system intended for use by submarines. This system, known as the XQKA, employed a rotation rate of 300 Hz and thus permitted the use of short pulses -- a desirable attribute for a submarine sonar. This presentation describes these two projects, and then discusses some of the work of the Underwater Sound Laboratory that led to the cylindrical and spherical arrays now employed on Navy ships and submarines.
- Acoustic Detection and Detectors