Analysis of characteristics of eddy-current signals from steam generator tubes using wavelets

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Chen, GZ
Yamaguchi, A
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TM [电工技术]; TN [电子技术、通信技术];
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0808 ; 0809 ;
摘要
The interpretation of the noised eddy-current signals is one of the most challenging aspects of eddy current testing of steam generator tubing in nuclear power plants, Aiming at the development of an effective signal processing method, this study analyzes the characteristics of the eddy-current signals by use of wavelets. The typical eddy-current-signals from steam generator tubing are simulated by numerical analysis and the characterization of the signal patterns are discussed by the wavelet coefficients.
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页码:1 / 6
页数:6
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