Subdivision Error Analysis and Compensation for Photoelectric Angle Encoder in a Telescope Control System

Table 2

The position error, jitter frequency, and jitter period in space domain.

Number	Leading speed	Position error (RMS)	Jitter frequency
	(°/s)	(′′)	(Hz)	(′′)
1	0.05	0.2484	2.2767	79.0628
2	0.1	0.2698	4.5478	79.1593
3	0.2	0.3989	9.1000	79.1211
4	0.3	0.5977	13.6490	79.1247
5	0.4	0.8247	18.2075	79.0883
6	0.5	1.0488	22.7552	79.1029
7	0.6	1.4164	27.3118	79.0868
8	0.8	1.2695	36.4032	79.1138
9	1.0	1.0474	45.5145	79.0956
10	1.2	0.9612	54.6069	79.1109
11	1.5	0.9388	68.2534	79.1169