An Evaluation on Impulsive Ultrasonic Pulse Radiated from Polyvinylidene Fluoride (PVDF) Transducers
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概要
- 論文の詳細を見る
Impulsive ultrasonic pulses generated by polyvinylidene fluoride (PVDF) transducers driven by step-function voltages are evaluated by experiment and simulation. The estimate of the waveforms was carried out by the spectrums of the step-function voltages and the transfer functions calculated by Mason’s equivalent circuit with the consideration of absorption and diffraction in the transmitting medium. The estimated waveforms were compared to the experimental waveforms. The results showed that the $-6$ dB pulsewidth and the relative voltage amplitude had good agreement in experiments and simulations.
- 2003-05-15
著者
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Yoshida Yasuo
Department Of Applied Quantum Physics Faculty Of Engineering Kyushu University
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Tamura Takahiro
Department Of Civil Engineering And Architecture
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Murata Kenji
Aichi Works Taketoyo Plant Nof Corporation
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Inoue Hiroshi
Departmcnt Of Biology Faculty Of Science Kyushu University:(present)department Of Biology Kyushu Den
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Murata Kenji
Aichi Works Taketoyo Plant, NOF Co., Ltd. 61-1 Kitakomatudani Taketoyo-cho, Chita-gun, Aichi 470-2379, Japan
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Tamura Takahiro
Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, 1-1 Tegatagakuen-cho, Akita-city 010-8502, Japan
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Inoue Hiroshi
Deparment of Neurosurgery, Gunma University School of Medicine and Gamma Unit Center, Hidaka Hospital
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Inoue Hiroshi
Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, 1-1 Tegatagakuen-cho, Akita-city 010-8502, Japan
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