Table 2.
Equivalent circuit parameters of skin-electrode interface.
| Type of Electrodes | Goodness of Fit | Rd (kΩ) |
Re (kΩ) |
Ce (nF) |
RI (kΩ) |
CI (nF) |
Ri (kΩ) |
Ci (nF) |
Z1 (kΩ) |
Z2 (kΩ) |
Z3 (kΩ) |
Z4 (kΩ) |
Z (kΩ) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ① 1 | 0.99 | 1.92 | 252.00 | 41.90 | 1.92 | N.A.6 | 16.80 | 117.00 | 1.92 | 152.00 | 1.92 | 16.30 | 172.00 |
| ② 2 | 0.98 | 2.72 | 124.00 | 25.80 | 79.30 | 6.22 | 1600.00 | 13,60 | 2.72 | 115.00 | 79.20 | 542.00 | 739.00 |
| ③ 3 | 0.92 | 1.89 | 122.00 | 2.01 | 507.00 | 5.56 | 5,000,000.00 | 5.66 | 1.89 | 122.00 | 478.00 | 1410.00 | 2010.00 |
| ④ 4 | 0.99 | 1.86 | 157.00 | 57.50 | 1.86 | N.A.6 | 24.20 | 89.30 | 1.86 | 104.00 | 1.86 | 23.30 | 131.00 |
| ⑤ 5 | 0.98 | 2.45 | 411.00 | 47.10 | 2.63 | N.A.6 | 316.00 | 13.10 | 2.45 | 156.00 | 2.63 | 280.00 | 442.00 |
1 ① represents the standard Ag/AgCl electrode; 2 ② represents the electrode based on the top grain layer of cowhide; 3 ③ represents the electrode based on the split layer of cowhide; 4 ④ represents the electrode based on the top grain layer with lotion; 5 ⑤ represents the electrode based on the split layer with lotion; 6 There is no CI in the equivalent circuit of wet electrode, so CI is not applicable.