NASA NTRS · 19840000051
Acoustic Gaussian Far-Field Pattern
Abstract
Gaussian profile achieved by using annular electrodes. Transducer constructed by deposting circularly symmetric metallic multielectrode array on 12.7 mm diameter X-cut quartz disk. Each electrode independently connected to impedance network optimized to produce Gaussian distribution with less than 2 percent error. Ultrasonic transducer produces far field beam with Gaussian spatial profile for materials evaluation applications.
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Claus, R. O., Zerwekh, P. S.. 1985-01-01. Acoustic Gaussian Far-Field Pattern. https://ntrs.nasa.gov/citations/19840000051
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