A Novel Estimation Method of Wind Speed and Direction Based on GNSS/INS/ADS Integrated Navigation

Table 2

Standard deviation of estimated and measured wind speed for constant wind.

Speed: m/s; Angle: °	Group 1		Group 2		Group 3
	Standard deviation of measurements	Standard deviation of estimations	Standard deviation of measurements	Standard deviation of estimations	Standard deviation of measurements	Standard deviation of estimations
North	0.33	0.12	0.43	0.12	0.53	0.11
East	0.33	0.13	0.31	0.13	0.31	0.12
Down	0.38	0.13	0.42	0.16	0.44	0.15
Resultant	0.33	0.12	0.43	0.13	0.54	0.12
Azimuth	4.78	1.69	4.70	1.83	4.70	1.73
Pitch	3.66	1.57	3.41	1.34	3.28	1.32