Ultrasonic Testing Signal De-Noising Processing Based on Orthogonal Matching Pursuit Algorithm

Yong Fang Yu; Fei Yi; Huan Xin Cheng; Li Cheng

doi:10.4028/www.scientific.net/AMM.423-426.2468

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Ultrasonic Testing Signal De-Noising Processing...

Ultrasonic Testing Signal De-Noising Processing Based on Orthogonal Matching Pursuit Algorithm

Abstract:

Ultrasonic NDT signal de-noising effect is the key indicators to determine whether the pipe is defective.Orthogonal matching pursuit algorithm optimization process, the sampling signal and reconstructed signal by the method of least squares.Using Orthogonal Matching Pursuit Algorithm for the sampling signal to optimize and reconstruct. It is successfully to verify the OMP algorithm can recover the signal based on the MATLAB platform.Designed a signal de-noising processing module to help staff to determine pipeline defects conveniently,it achieved de-noising successfully.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

2468-2471

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.2468

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Online since:

September 2013

Authors:

Yong Fang Yu, Fei Yi, Huan Xin Cheng, Li Cheng

Keywords:

Orthogonal Matching Pursuit Algorithm, Reconstructed Waveform, Signal De-Noising, Ultrasonic Testing

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