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Piezoelectric single-crystal composites (PSCCs) have been studied and applied because of their improved resolution and power source level performance in underwater acoustic transducer applications ...

There have been many different ideas presented for increasing the acoustic output of a piezo buzzer or ultrasonic transducer. Most of them involve rather complicated circuitry that drives up the total ...

This paper describes a development of a broad band underwater acoustic transducer for Doppler Velocity Log(DVL). The transducer uses thickness vibration mode of a disk type piezoelectric(PZT) ceramic.