Table 1.

Key parameters of the capacitance angular sensor.

Parameter (Symbol)	Value	Parameter (Symbol)	Value
Outer diameter ($R_1$)	54 mm	Excitation coefficients (k)	0.5
Inner diameter ($R_2$)	27 mm	Charge amplifier ($G_c$)	1
Coupling capacitance ($C_0$)	8 pF	Dielectric constant ($\epsilon$)	1.2
Width of the sensitive electrode ($2\tau$)	8 mm	Excitation frequency (w)	10 kHz
Sensitive electrode diameter (R)	44 mm	Plate spacing (d)	1 mm
Cycle number of the sine wave (N)	6	Differential amplifier ($G_a$)	2