Sparse-TFM Imaging of Lamb Waves for the Near-Distance Defects in Plate-Like Structures
The ultrasonic phased array total focusing method (TFM) has the advantages of high imaging resolution and high sensitivity to small defects. However, it has a long imaging time and cannot realize near-distance defect imaging, which limits its application for industrial detection. A sparse-TFM algori...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-04-01
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Series: | Metals |
Subjects: | |
Online Access: | https://www.mdpi.com/2075-4701/9/5/503 |