Advances in Acoustics and Vibration / 2012 / Article / Fig 8

Research Article

Ultrasonic Flaw Detection and Imaging through Reverberant Layers via Subspace Analysis and Projection

Figure 8

The synthetic aperture array imaging of a flaw through a thin reverberant layer. (a) Simulated flaw echo measurement with a 10-element synthetic linear array. The transducer positions are shown on top of the image. (b) Flaw (a) and its multipath measurements via the thin layer added to 10 reverberation measurements collected with the synthetic array. (c) Imaging after reverberation removed array data. The flaw echo and its multipaths are clearly revealed.
957379.fig.008a
(a)
957379.fig.008b
(b)
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(c)

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