Publication: Publication Date: 1 September 2012Testing Method:
Time Reversal Focusing of Ultrasonic Array Transducers on a Side-drilled Hole
In an application of time reversal focusing of an array transducer on a side-drilled hole inside the test material, a new time delay focusing technique based on the time reversal process was employed. In order to realize this idea, a multi-channel ultrasonic system was constructed, capable of applying necessary time delays to each channel.
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