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Chinese Journal of Mechanical Engineering

Table 1 Calculated crack depths and heights and relative errors by Sparse-SAFT

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

Defect number

d (mm)

Error (%)

h (mm)

Error (%)

#1

3.28

9.3

3.24

8.0

#2

3.79

8.3

3.09

3.0

#3

4.24

6.0

2.98

0.7

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