Acoustic transducers are the most basic and the most important component of those underwater instruments for target-detecting, target-tracking, target-identifying, and target-locating. To improve the detection abilities of these transducers used in shallow water regions, we must reduce their resonance frequency, expand their bandwidth, increase their transmit power and receive sensitivity, and minish their volume and weight. Cymbal transducers, with their small size, light weight, simple design, low cost, a...
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