sonar sound navigation and ranging |
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navigate by keyword : acoustic analog array beam boat coverage depth digital direction distance echo electric find fish fishing frequency global harmonic hunter lake monitor navigation ocean octopus oscillation positioning receiver reflect sea separate signal sonar sound submarine surface survey system technology transducer transition transmitter under vibration voltage water wave whale worldwide |
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Sonar signal systems are generally used underwater for range finding and detection. Active sonar emits an acoustic signal, or pulse of sound, into the deep underwater. Vector info graphic. |
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