Zotero Chunk RAG

Electrode–skin impedance imbalance quantified using a root mean square error between ZA and ZB for ten healthy subjects over three different frequency ranges: 50 Hz, 1 Hz–492.4 Hz
and the entire range, 1 Hz–100 kHz (magnitude) and 1 Hz–9.4 kHz (phase).
Ag/AgClNSP
50 Hz
Bio-signal range
Whole range
Subject
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
1
20.6
16.2
473.0
30.1
350.8
25.1
2
9.2
4.7
9.8
3.8
7.3
3.4
3
12.5
6.7
13.8
4.7
10.3
4.0
4
2.8
12.4
1447.0
14.8
1073.1
12.3
5
120.5
14.8
142.8
16.2
106.0
13.6
6
116.9
10.1
264.3
12.4
196.1
10.4
7
21.6
10.0
298.9
7.8
221.7
6.6
8
2.1
6.4
32.6
6.6
24.2
5.6
9
0.9
2.7
82.4
4.1
61.1
3.4
10
69.2
65.5
607.1
56.3
450.3
47.7
Mean (SD)
37.6 (47.1)
15.0 (18.3)
337.2 (439.3)
15.7 (16.4)
250.1 (325.8)
13.2 (13.8)
Ag/AgClSP
50 Hz
Bio-signal range
Whole range
Subject
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
1
0.3
0.0
0.3
1.1
0.2
3.2
2
1.4
1.1
1.4
3.8
1.1
10.9
3
8.3
6.6
8.3
11.5
6.3
23.2
4
0.1
0.7
0.1
0.6
0.0
1.5
5
0.2
0.0
0.2
0.7
0.2
1.6
6
1.8
2.0
1.9
3.3
1.4
6.5
7
24.6
22.2
29.4
21.6
21.8
21.9
8
1.3
4.0
1.3
6.7
1.0
14.1
9
7.0
9.2
6.9
15.1
5.1
22.2
10
0.3
0.5
0.3
1.2
0.3
4.8
Mean (SD)
4.5 (7.7)
4.6 (6.9)
5.0 (9.0)
6.6 (7.2)
3.8 (6.7)
11.0 (8.8)
Ag-SP
50 Hz
Bio-signal range
Whole range
Subject
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
|𝑍| (kΩ)
𝜙(deg)
1
7.8
1.5
12.5
2.0
9.3
4.5
2
37.4
1.5
39.4
6.5
29.4
7.4
3
63.8
1.3
113.1
7.2
83.9
7.6
4
7.4
2.8
16.1
2.8
12.0
2.6
5
0.8
0.4
0.8
0.8
0.6
1.8
6
14.9
1.0
39.0
2.6
28.9
3.8
7
143.2
10.4
245.2
10.4
181.9
9.3
8
0.8
3.0
13.6
4.9
10.1
4.1