ADIS16470 Calculated Noise Coefficient Statistics: Random Walk, Bias Instability, and Rate Random Walk
Measured Signal | Noise Coefficient | Datasheet | GMWM | CGMWM | CGMWM w/ χ2 upper bound | |||
---|---|---|---|---|---|---|---|---|
![]() | s | ![]() | s | ![]() | s | |||
x-axis gyro | σrw (deg s−1/2) | 5.67 × 10−3 | 3.66 × 10−3 | 1.30 × 10−5 | 3.77 × 10−3 | 2.97 × 10−5 | 3.77 × 10−3 | 5.96 × 10−5 |
σb (deg s−1) | 2.22 × 10−3 | 5.03 × 10−4 | 1.64 × 10−4 | 2.11 × 10−4 | 2.05 × 10−4 | 5.01 × 10−4 | 2.12 × 10−3 | |
σrrw (deg s−3/2) | – | 4.02 × 10−4 | 5.62 × 10−5 | 4.94 × 10−4 | 3.31 × 10−5 | 7.42 × 10−4 | 5.21 × 10−4 | |
y-axis gyro | σrw | 5.67 × 10−3 | 2.73 × 10−3 | 1.16 × 10−5 | 2.73 × 10−3 | 1.52 × 10−5 | 2.73 × 10−3 | 1.41 × 10−5 |
σb | 2.22 × 10−3 | 1.30 × 10−3 | 7.39 × 10−5 | 2.20 × 10−3 | 7.09 × 10−4 | 2.14 × 10−3 | 5.67 × 10−4 | |
σrrw | – | 1.29 × 10−4 | 2.73 × 10−5 | 4.89 × 10−4 | 1.93 × 10−4 | 5.74 × 10−4 | 1.65 × 10−4 | |
z-axis gyro | σrw | 5.67 × 10−3 | 3.90 × 10−3 | 4.68 × 10−6 | 3.91 × 10−3 | 1.40 × 10−5 | 3.93 × 10−3 | 2.13 × 10−5 |
σb | 2.22 × 10−3 | 1.11 × 10−3 | 6.01 × 10−5 | 1.33 × 10−3 | 2.39 × 10−4 | 1.30 × 10−3 | 1.72 × 10−4 | |
σrrw | – | 2.61 × 10−4 | 4.15 × 10−5 | 3.13 × 10−4 | 1.81 × 10−5 | 4.94 × 10−4 | 2.44 × 10−4 |