Respuesta :
Sonar is a technology that uses sound waves to detect items beneath the water and then analyzes the echoes that they reflect.
To "see" in the water, sonar uses sound waves. Sonar is largely used by NOAA scientists to create nautical charts, find underwater navigational hazards, find and map things on the bottom like shipwrecks, and map the actual seafloor. Sonar comes in active and passive varieties. Sonar, which stands for "sound navigation ranging," is a method for using acoustics to find and measure the location and distance of underwater objects. The active detection, localization, identification, and avoidance or capture of targets through the use of echoes of transmitted sounds is known as echolocation. The tools that produce and receive sound are also referred to as sonar. The examination of subaquatic sound is known as underwater acoustics.
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