sonar [ˈsəʊnɑ:ʳ, americ ˈsoʊnɑ:r] SUBST
sonar abrev de sound navigation and ranging
- sonar
- sonar m
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She engaged in sonar evaluation tests, antisubmarine warfare exercises, and submerged simulated attack exercises.
en.wikipedia.org In active sonar, the sonar system emits sound waves (acoustic energy) then listening and monitoring any existing echo (the reflected waves).
en.wikipedia.org Examples include: ferroelectrics - high dielectric capacitors, non-volatile memories; ferrites - data and information storage; solid electrolytes - energy storage and conversion; piezoelectrics - sonar; semiconducting oxides - environmental monitoring.
en.wikipedia.org Later in the 1970s the search area was narrowed down with a sidescan sonar and a magnometer, an instrument that detects the presence of iron.
en.wikipedia.org The sonar dome and the conning tower are made of composite materials.
en.wikipedia.org