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What is sonar technology?

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Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves. read more

Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves. NOAA scientists primarily use sonar to develop nautical charts, locate underwater hazards to navigation, search for and map objects on the sea floor such as shipwrecks, and map the sea floor itself. read more

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. read more

Sonar technology is divided into two categories, active and passive, and two users, military and civilian. Military. The primary purpose of military sonar is to detect and attack other ships. Surface ships, aircraft and submarines all use sonar (and other sensors) to conduct ASW (Anti-Submarine Warfare). read more

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