sonar |
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navigate by keyword : acoustic acoustics aiming communication cross cutaway danger detect detection determine diagram digital echo echosounder education emitting environment equipment fish hydroacoustics infrasonic instead isometric listening location navigation operation physics principle pulses radar radio ranging ray reflected safety schematic scheme science section sectional signal sonar sound soundwave strike structure target technology ultrasonic underwater vector vessel vibration water wave waves |
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Sonar uses reflected sound waves instead of radio waves as in radar to detect and determine underwater target. When the sound waves strike an object, they are reflected and return to the sonar. Detection and location of fish by echosounder or sonar. |
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