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A prototype 3x3 planar cymbal transducer array was built and tested. The array has a radiating area of 5.5cmx5.5cm and a thickness of less than 8mm. The measured transmitting voltage response was above 134dB re 1μPa/V @ 1m and flat over the frequency range of 16 and 100kHz. Array interaction was analyzed using an equivalent circuit model. The array interaction leads to variations in radiation resistance...
The cymbal is a miniaturized class V flextensional transducer which was developed for potential use as a shallow water sound projector. In underwater tests, the experimental fixture was found to have a pronounced effect on the performance of the transducer through modifications of the mechanical boundary conditions imposed on the device. A less restrictive setup was devised for the underwater test...
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