Table 1.

The details of the PFA parameter setting.

Group	Pulse Amplitude/V	Pulse Interval/ms	Pulse Number
1	1000	1000	10
2	1500	1000	10
3	2000	1000	10
4	1000	1000	10
5	1000	250	10
6	1000	500	10
7	1000	1000	10
8	1000	1000	30
9	1000	1000	60