THE APPLICATION OF WAVELET IN TRANSIENT MEASUREMENT OF CORROSION ELECTROCHEMISTRY

J Chin Soc Corr Pro

2001, Vol. 21

Issue (4): 245-249 DOI:

Technology Report

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THE APPLICATION OF WAVELET IN TRANSIENT MEASUREMENT OF CORROSION ELECTROCHEMISTRY

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天津大学材料科学与工程学院

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Abstract Multi-resolution analysis was used to treat the galvanostatic transient response signals of underground pipeline system ,the information was denoised with satis factory result.The continuous wavelet transformation was also introduced to corrosion electrochemistry measurement to pick up the useful information to diag nosis the defect of underground pipeline system from the response of small ampli tude sine current with high disturbance. It was shown that the wavelet transform ation has the good properties of retrieving the useful information from the dist urbed signal.

Key words: wavelet transient measurement coating

Received: 09 October 2000

ZTFLH:

TG174.3+6

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. THE APPLICATION OF WAVELET IN TRANSIENT MEASUREMENT OF CORROSION ELECTROCHEMISTRY. J Chin Soc Corr Pro, 2001, 21(4): 245-249 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2001/V21/I4/245

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