Precession Azimuth Sensing with Low-Noise Molecular Electronics Angular Sensors

Table 3

The results of mathematical modelling of sensor self-noise contribution into the phase error of the studied signal compared to the experimental results of studying the possibility of high precision azimuth measurement.

Platform rotation rate (Hz)	Record duration (seconds)	Mean-root-square error in the modelling signal phase finding by 15 productions (degrees)	Mean-root-square error in experimental true north heading determination (degrees)	Experiment systematic error (degrees)
0.05	400	0.13	0.13	0.07
0.05	200	0.18	0.16	0.06
0.05	100	0.20	0.21	0.06
0.1	400	0.07	0.08	0.06
0.1	200	0.09	0.1	0.08
0.1	100	0.16	0.13	0.06
0.2	400	0.04	0.09	0.02
0.2	200	0.05	0.1	0.03
0.2	100	0.08	0.13	0.05