Research on Pipeline Damage Imaging Technology Based on Ultrasonic Guided Waves

Figure 9

Time domain diagram of guided signals with different relative distances. (a) Relative distance is 0.5 m. (b) Relative distance is 0.4 m. (c) Relative distance is 0.3 m. (d) Relative distance is 0.2 m. (e) Relative distance is 0.1 m.

(a)

(b)

(c)

(d)

(e)