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Figure 4 | EURASIP Journal on Advances in Signal Processing

Figure 4

From: Attenuation Analysis of Lamb Waves Using the Chirplet Transform

Figure 4

Geometric attenuation for the -mode of the experimentally generated signal determined with the STFT (b) and CT (a). Dashed lines represent the theoretically expected solution , dash-dotted lines are the results obtained from the CT- and STFT-based algorithm, respectively, for the distances 50 mm (green), 60 mm (black), 90 mm (blue), and 120 mm (red) related to 150 mm of propagation distance.

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