Advances in Acoustics and Vibration

Research Article

Fractional Fourier Transform for Ultrasonic Chirplet Signal Decomposition

Figure 5

(a) Simulated ultrasonic echoes (50% overlapped). (b) The first signal component. (c) The second signal component (simulated signal in blue, estimated signal in red).
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(a)
480473.fig.005b
(b)
480473.fig.005c
(c)