Small-Range High-Precision Positioning Based on Two-Point Coordination for Robot

Table 4

RMSE of different algorithms in different sampling frequencies.

RMSE (m)	SF (MHz)
	250	500	1000
RMSE (square)	4.1463	3.8983	3.5430
RMSE (circle)	3.8172	3.6459	3.4758
RMSE (asterisk)	2.8120	1.6520	0.0092
RMSE (cross)	2.6274	1.5649	0.0084