Linear scanning method based on the SAFT coarray
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Data
2010-04-01
Autores
Martín, C. J.
Martínez-Graullera, O.
Romero, D.
Higuti, R. T. [UNESP]
Ullate, L. G.
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Resumo
This work presents a method to obtain B-scan images based on linear array scanning and 2R-SAFT. Using this technique some advantages are obtained: the ultrasonic system is very simple; it avoids the grating lobes formation, characteristic in conventional SAFT; and subaperture size and focussing lens (to compensate emission-reception) can be adapted dynamically to every image point. The proposed method has been experimentally tested in the inspection of CFRP samples. © 2010 American Institute of Physics.
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Linear array, SAFT, Ultrasonic NDE
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AIP Conference Proceedings, v. 1211, p. 2023-2030.