Research Article
Optimal Calibration Method of PIGA’s Orthogonal Poses for Gravity Field Testing
Table 6
Identification results of the angle error harmonic coefficients of two different sequency calibration schemes for 22-position test.
| | Error coefficient | Calibration result | Absolute error | Uncertainty | | Equal angle | Equal acceleration | Equal angle | Equal acceleration | Equal angle | Equal acceleration |
| | (rad/s/g) | 0.5499978 | 0.5500011 | 2.2 × 10−6 | 1.1 × 10−6 | 3.5 × 10−6 | 2.5 × 10−6 | | (rad/s/g) | 0.5500024 | 0.5499969 | 2.4 × 10−6 | 3.1 × 10−6 | 3.5 × 10−6 | 2.5 × 10−6 | | 1.4 × 10−5 | 2.9 × 10−5 | 6.0 × 10−6 | 1.0 × 10−5 | 6.8 × 10−7 | 1.0 × 10−6 | | −6.0 × 10−6 | 4.0 × 10−6 | 1.6 × 10−5 | 6.0 × 10−6 | 2.0 × 10−6 | 4.6 × 10−6 | | 1.5 × 10−5 | 2.6 × 10−5 | 5.0 × 10−6 | 6.0 × 10−6 | 1.4 × 10−6 | 2.8 × 10−6 | | 1.6 × 10−5 | 1.1 × 10−5 | 6.0 × 10−6 | 1.0 × 10−6 | 1.1 × 10−6 | 1.5 × 10−6 | | 5.6 × 10−6 | 4.8 × 10−6 | 4.0 × 10−7 | 2.0 × 10−7 | 3.2 × 10−6 | 5.0 × 10−6 | | 6.4 × 10−6 | 2.7 × 10−6 | 1.4 × 10−6 | 2.3 × 10−6 | 2.6 × 10−6 | 3.3 × 10−6 |
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