منابع مشابه
Interface Electronics for Ultrasonic Transducers
Interface Electronics for Ultrasonic Transducers by Hao-Yen Tang Doctor of Philosophy in Engineering Electrical Engineering and Computer Sciences University of California, Berkeley Professor Bernhard E. Boser, Chair Ultrasound has long been used for medical imaging. Recent advances of miniaturized MEMS ultrasonic transducers new applications such as gesture recognition, personal fitness devices...
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This study proposes a portable long distance laser ultrasonic propagation imaging (LUPI) system with associated damage visualization algorithms based on anomalous wave propagation imaging (AWPI) methods with adjacent wave subtraction, reference wave subtraction, reference image subtraction, and the variable time window amplitude mapping (VTWAM) for a robust SHM solution.
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Modern ultrasound scanners use large either linear or phased array of piezoelectric transducers. Design principle of electronic beamforming networks thus draws heavily from that of adaptive antenna array. However, the interaction of ultrasound with human tissue appears to be much more complicated than that of the electromagnetic wave. While with Xrays we get a shadow image of the system, with u...
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An ultrasonic feature scan imaging system used for testing delamination flaw probably existing in the bimetal rotor clad layer was studied and developed. The bimetal rotor with nine column holes can be tested automatically. All the wave train of testing result will be saved in computer for post processing. There are various imaging modes including depth imaging and amplitude imaging, to find de...
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ژورنال
عنوان ژورنال: Elektronika ir Elektrotechnika
سال: 2014
ISSN: 2029-5731,1392-1215
DOI: 10.5755/j01.eee.20.7.8024