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- W2369354027 abstract "Metal magnetic memory testing(MMMT)technology is the only feasible NDT method in the aspect of early diagnosis till now,which can detect and recognize the early damnification and oil and gas pipeline crack in the character of stress concentration.Wavelet is widely applied for it has good time-frequency location character and can get over the deficiency of Fourier transform.Aiming at the deficiency of using MMMT to recognize pipeline defect,the reassigned wavelet scalogram analysis method was put forward to analyze the MMMT signal.The experimental result proves that the reassigned wavelet scalogram is effective in pipeline defect recognition by MMMT." @default.
- W2369354027 created "2016-06-24" @default.
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- W2369354027 date "2011-01-01" @default.
- W2369354027 modified "2023-09-22" @default.
- W2369354027 title "Study on Defect Detect of Oil and Gas Pipeline by Metal Magnetic Memory Testing Technology Based on Wavelet Analysis" @default.
- W2369354027 hasPublicationYear "2011" @default.
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