Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2003.07c
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- Pages.1882-1884
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- 2003
Characteristics of fiber-optic sensor to detect ultrasonic by discharge in transformer and signal analysis with wavelet transform
변압기 내부 방전에 의한 초음파 감지용 광섬유 센서 특성과 측정데이터의 wavelet 분석
- Lee, S.H. (Yeungnam University) ;
- Ji, S.W. (Yeungnam University) ;
- Kim, C.N. (Yeungnam University) ;
- Lee, K.S. (Yeungnam University) ;
- Lee, C.H. (Hoseo University) ;
- Kim, K.Y. (Pohang College) ;
- Do, D.H. (Pohang College) ;
- Kim, D.W. (RIST)
- 이상훈 (영남대학교) ;
- 지승욱 (영남대학교) ;
- 김충년 (영남대학교) ;
- 이광식 (영남대학교) ;
- 이춘하 (호서대학교) ;
- 김금영 (포항 1대학) ;
- 도대호 (포항 1대학) ;
- 김달우 (포항포항산업과학연구원)
- Published : 2003.07.21
Abstract
This paper introduced the characteristics of fiber-optic Mach-Zehnder interferometer to detect ultrasonic waves by discharges in oil. Noise-reduction method with wavelet and frequency-domain analysis was performed.
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