Longwall Retreat and Creep Measurement Based on UWB Radar Imaging Method

Table 5

The target azimuth and range errors before and after the advancing in the second simulation.

Height (m)		Azimuth (m)			Range (m)
		D	E	F	D	E	F
Before	0.05	0.008	0.004	0.001	0.005	0.001	0.001
	0.25	0.008	0.008	0.004	0.005	0.001	0.001
After	0.05	0.008	0.004	0.016	0.009	0.001	0.001
	0.25	0.004	0.001	0.012	0.007	0.001	0.001