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An evaluation of monolithic phased arrays for Non destructive testingCampbell, M. A. January 1986 (has links)
No description available.
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Optimization of PZT based thin films and piezoelectric micromachined ultrasonic transducers (pMUTs)Dalakoti, Abhishek, January 2005 (has links) (PDF)
Thesis (M.S. in material science)--Washington State University, December 2005. / Includes bibliographical references.
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A study of frequency variation in ultrasonic transducersShieh, Long-Chin January 1974 (has links)
No description available.
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Modeling and optimal design of annular array based ultrasound pulse-echo systemWan, Li. January 2001 (has links)
Thesis (M.S.)--Worcester Polytechnic Institute. / Title from title screen. Keywords: optimal design; modeling; object identification; ultrasound pulse-echo system; annular array. Includes bibliographical references (p. 159-162).
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Reflector geometry specific modeling of an annular array based ultrasound pulse-echo systemNadkarni, Aditya. January 2007 (has links)
Thesis (M.S.) -- Worcester Polytechnic Institute. / Keywords: ultrasound modeling; annular arrays. Includes bibliographical references (p.197-198).
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Modelling of an ultrasonic transducer's transient acoustic field /Lesniewski, Peter J. Unknown Date (has links)
This work extends modelling of high prequency electric-acoustic transducers beyong current limiting approxilations, which is of interest to such applications as ultrasonic imaging, testing, tomography etc. / Thesis (PhD)--University of South Australia, 2001.
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Modelling of an ultrasonic transducer's transient acoustic fieldLesniewski, Peter J January 2001 (has links)
This work extends modelling of high frequency electric-acoustic transducers beyond current limiting approximations, which is of interest to such applications as ultrasonic imaging, testing, tomography etc. The developed methodology includes transient modelling of the acoustic potential field with dynamic Green?s functions and linear formulation of wave propagation in the moving reference frame. A finite difference model is determined to achieve fast numerical implementation. Developed is also experimental methodology for impulse response measurements, offering modifications of the inverse Wiener filter and introducing novel transducer equalisation increasing signal bandwidth. / thesis (PhD)--University of South Australia, 2001.
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Pulsed ultrasonic doppler velocimetry for measurement of velocity profiles in small channels and capplilariesMesser, Matthias . January 2005 (has links)
Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2006. / Cyrus K. Aidun, Committee Member ; Farrokh Mistree, Committee Member ; Yves H. Berthelot, Committee Member ; Philip J. W. Roberts, Committee Member. Includes bibliographical references.
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Dual-electrode capacitive micromachined ultrasonic transducers for medical ultrasound applicationsGuldiken, Rasim Oytun. January 2008 (has links)
Thesis (Ph.D)--Mechanical Engineering, Georgia Institute of Technology, 2009. / Committee Chair: Degertekin, F. Levent; Committee Member: Benkeser, Paul; Committee Member: Berhelot, Yves; Committee Member: Brand, Oliver; Committee Member: Hesketh, Peter. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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A new ultrasound intensity meter : characterization and optimizationManning, Gavin N. January 1987 (has links)
The principle of operation of a novel rotating disk ultrasonic intensity meter is studied. Its characteristics are explained by a competition between acoustic radiation pressure and viscous drag on the disk. Acoustic streaming does not play a significant role in the operation of this meter as it is now configured.
Experiments are described which were done to find the optimum dimensions and position for a nylon disk. In this optimum configuration, the rotation rate of the disk is related to the ultrasonic intensity by a power law. This relationship is theoretically predicted and found to hold as the ultrasonic intensity varies by a factor of at least ten. / Science, Faculty of / Physics and Astronomy, Department of / Graduate
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