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Home > Terms > English, UK (UE) > Sidescan sonar
Sidescan sonar
A survey method used in underwater archaeology which provides the broadest view of the sea-floor. An acoustic emitter is towed behind a vessel and sends out sound waves in a fan-shaped beam. These pulses of sonic energy are reflected back to a transducer-- return time depending on distance traveled--and recorded on a rotating drum.
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- Part of Speech: noun
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- Industry/Domain: Anthropology
- Category: Cultural anthropology
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