Investigation on a Novel Capacitive Electrode for Geophysical Surveys

Table 1

Transmission coefficient changes with coupling capacitance at frequency of 0.1 Hz.

Height (cm)	Coupling capacitance (pF)	Transmission coefficient ()	Transmission coefficient ()	Transmission coefficient ()
0.25	171.06	1.000 (0%)	0.997 (0.3%)	0.994 (0.6%)
1	46.75	1.000 (0%)	0.989 (1.1%)	0.979 (2.1%)
2.5	21.23	1.000 (0%)	0.977 (2.3%)	0.955 (4.5%)
5	12.41	1.000 (0%)	0.961 (3.9%)	0.925 (7.5%)
10	7.77	0.999 (0.1%)	0.939 (6.1%)	0.885 (11.5%)