Definisjon av sonar

Vi fant 4 definisjoner av sonar på engelsk.

WordNet

Noun
sonar - a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"
		echo sounder, asdic
		measuring device, measuring instrument, measuring system instrument that shows the extent or amount or quantity or degree of something
		navigational instrument an instrument used for navigating
		pigboat, u-boat, sub, submarine a submersible warship usually armed with torpedoes
		pinger a pulse generator used for echo sounding in sonar

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Substantiv
sonar - echolocation.
sonar - A device that uses hydrophones in the same manner as radar to locate objects underwater.

Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in Submarine navigation) to navigate, communicate with or detect other vessels. Two types of technology share the name "sonar": passive sonar is essentially listening for the sound made by vessels; active sonar is emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water.

road surface tonometer contrite nanometer Aswan

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