Warped Wigner-Hough Transform for Defect Reflection Enhancement in Ultrasonic Guided Wave Monitoring

<table>Schematic representation of the damaged aluminum plate used in the time-transient FEM simulations (plate dimensions are in mm). The spatial distribution and time-amplitude shape of the actuation pulse is also shown.</table>

Mathematical Problems in Engineering

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Figure 2

Figure 2: Warped Wigner-Hough Transform for Defect Reflection Enhancement in Ultrasonic Guided Wave Monitoring 