sonar

• Nom désignant un système ou un appareil qui utilise des ondes sonores pour détecter et localiser des objets sous l'eau, généralement en émettant une impulsion acoustique et en mesurant le temps nécessaire au retour de l'écho.

A noun referring to a system or instrument that uses sound waves to detect and locate objects underwater, typically by emitting an acoustic pulse and measuring the time it takes for the echo to return.

1. Acoustic detection systemB2formaltechnical

   A system that uses sound waves to detect and locate objects underwater by measuring the time it takes for an echo to return.

   Sonar (détection acoustique)

   • The submarine used sonar to navigate through the dark waters.
   • Fishermen rely on sonar to find schools of fish.
   • Sonar technology is essential for mapping the ocean floor.

   Synonymesasdic