Analysis of Wavelet Transform in Electric Charge Distribution in Dielectric Liquids Using Pressure Wave Method
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概要
- 論文の詳細を見る
In our laboratory, a polymer piezoelectric vibrator and an acoustic emission sensor have been used for generation of pressure waves in dielectric liqtuids. A large amount of noise is contained in experimental data of charge distribution obtained using the pressure wave method. For removal of this noise, the wavelet transform was used in the data analysis. The noise removal from and time-frequency analysis of experimental data were performed simultaneously. The removal of noise from data using the wavelet transform could make more clear waveform than waveform of measured data. Therefore, it was clear that the wavelet analysis can be applied to measurement of charge distribution in dielectric liquids using the pressure wave method.
- 社団法人応用物理学会の論文
- 1996-12-15
著者
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Arii Kiyomitsu
Faculty Of Engineering Ehime University
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Nishimoto Sakae
Faculty Of Engineering Ehime University
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HIRAI Naoshi
Faculty of Engineering, Ehime University
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TAKAO Noriaki
Faculty of Engineering, Ehime University
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Hirai N
Ehime Univ. Ehime Jpn
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Takao Noriaki
Faculty Of Engineering Ehime University
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