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sonar click to hear : sonar

Detection system emitting ultrasound; it is used for detection mainly in a marine environment.
sonar image
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See sonar in : french | spanish
echo ship ultrasound waves emission target

echo click to hear : echo

Waves reflected by the target and measured by a remote sensing device.

ship click to hear : ship

ultrasound waves emission click to hear : ultrasound waves emission

Production of very high-frequency sound vibrations whose echo is captured and analyzed.

target click to hear : target

Surface or object from which sonar waves reflect.