[Retracted] Design and Implementation of a Heating Treatment System for Vitiligo Skin Disease Based on Medical Ultrasound

Table 7

Channel delay diagram.

Time (μs)	Trigger signal	Test signal	Excitation signal
0	22	−17	17
2	−5	4	−2
4	15	−10	7
6	−15	5	−18
8	15	−8	20
10	−19	10	−20