give a brief description of Sonar
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Sonar is a system that uses transmitted and reflected underwater sound waves to detect and locate submerged objects or to measure distances underwater. It has been used for submarine and mine detection, depth detection, commercial fishing, diving safety and communication at sea.Both radar and sonar locate objects from the echo of a signal that is bounced off the object. Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy.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 objects on or under the surface of the water, such as other vessels.
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YOUR ANSWER IS ;
Sonar is a system that uses transmitted and reflected underwater sound waves to detect and locate submerged objects or to measure distances underwater. It has been used for submarine and mine detection, depth detection, commercial fishing, diving safety and communication at sea.Both radar and sonar locate objects from the echo of a signal that is bounced off the object. Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy.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 objects on or under the surface of the water, such as other vessels.
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