array gain

8.26  array gain. Signal-to-noise ratio in decibels at the output of a beamformer minus signal-to-noise ratio in decibels at the input of the beamformer. Unit, decibel...

acoustic particle motion sensor

8.25  acoustic particle motion sensor. A vector sensor that measures underwater sound by sensing particle motion magnitude and...

sonobuoy

8.24  sonobuoy. Expendable sonar system deployed from a vessel or aircraft using a radio link to transmit data. Annotation              Sonobuoys can be either passive or...

shaded transducer

8.23  shaded transducer. Transducer whose directional response has been modified through control of the distribution of phase and amplitude over the active...

underwater sound projector

8.22  underwater sound projector. Electroacoustic transducer that converts electric signals into acoustic waves in...

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