Research Article

Fractional Fourier Transform for Ultrasonic Chirplet Signal Decomposition

Figure 6

(a) Simulated ultrasonic echoes (70% overlapped). (b) The first estimated echo component. (c) The second estimated echo component (simulated signal in blue, estimated signal in red).
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(a)
480473.fig.006b
(b)
480473.fig.006c
(c)