An Innovative Wavelet Threshold Denoising Method for Environmental Drift of Fiber Optic Gyro

Table 3

The Allan variance analysis results of the signal before and after denoising.

Methods
Original	0.04937	0.04741	0.008515	0.0011697
Traditional threshold	0.02327	0.01892	0.005475	0.0003348
Improved threshold	0.01029	0.01053	0.003529	0.0002952