Online Estimation of ARW Coefficient of Fiber Optic Gyro

Table 2

Comparison of ARW estimation (digital simulation test, unit °/h^1.5).

Number	Theoretical value	Allan method	SHAKF method		The proposed method
			Mean	Variance	Mean	Variance
1	9.2000	9.1793	9.1268	0.0501	9.1561	0.0280
2	1.5000	1.4980	1.4945	0.0041	1.4974	0.0011
3	0.3800	0.3919	0.3783	0.0043	0.3795	2.5283𝑒−004
4	0.0810	0.0802	0.0841	0.0053	0.0942	3.3350𝑒−004
5	0.0320	0.0363	0.0801	0.0016	0.0349	5.0534𝑒−004