Resolution Enhancement in Ultrasonic TOFD Imaging by Combining Sparse Deconvolution and Synthetic Aperture Focusing Technique (Sparse-SAFT)

Resolution Enhancement in Ultrasonic TOFD Imaging by Combining Sparse Deconvolution and Synthetic Aperture Focusing Technique (Sparse-SAFT)

Abstract The shallow subsurface defects are difficult to be identified and quantified by ultrasonic time-of-flight diffraction (TOFD) due to the low resolution induced by pulse width and beam spreading. In this paper, Sparse-SAFT is proposed to improve the time resolution and lateral resolution in T...

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Bibliographic Details
Main Authors: Xu Sun, Li Lin, Shijie Jin
Format: Article
Language:English
Published: SpringerOpen 2022-07-01
Series:Chinese Journal of Mechanical Engineering
Subjects:
Time resolution
Lateral resolution
Time-of-flight diffraction (TOFD)
Sparse deconvolution
Synthetic aperture focusing technique (SAFT)
Sparse-SAFT
Online Access:https://doi.org/10.1186/s10033-022-00768-3

Internet

https://doi.org/10.1186/s10033-022-00768-3

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