Table 2 Estimated calibration and characterisation parameters including units and dimensionality
From: Observing Earth’s magnetic environment with the GRACE-FO mission
Parameter | Description | Unit | Dimension |
|---|---|---|---|
\(\mathbf {s}\) | Scale factors | \(\frac{{{\text{nT}}}}{{{\text{nT}}}}\) | 3 |
\(\mathbf {b}\) | Offsets | nT | 3 |
\(\mathbf {u}\) | Misalignment angles | rad | 3 |
\(\mathbf {e}\) | Euler (123) angles | rad | 3 |
\(\underline{\xi }\) | 2nd order non-linearity | \(\frac{{{\text{nT}}}}{{{\text{n}}{{\text{T}}^2}}}\) | 3 × 6 |
\(\underline{\nu }\) | 3rd order non-linearity | \(\frac{{{\text{nT}}}}{{{\text{n}}{{\text{T}}^3}}}\) | 3 × 10 |
\(\underline{\text{bt}}\) | Temperature dependency of offsets b | \(\frac{\text {nT}}{^{\circ }\text {C}}\) | 3 × 3 |
\(\underline{\text{st}}\) | Temperature dependency of scale factors s | \(\frac{\text {nT}}{\text {nT}\,^{\circ }\text {C}}\) | 3 × 3 |
\(\underline{\text{bat}}\) | Battery current scale factor | \(\frac{{{\text{nT}}}}{{{\text{mA}}}}\) | 3 × 3 |
\(\underline{\text{sa}}\) | Solar array current scale factor | \(\frac{{{\text{nT}}}}{{{\text{mA}}}}\) | 3 × 3 |
\(\underline{M}\) | Magnetorquer current scale factor | \(\frac{{{\text{nT}}}}{{{\text{mA}}}}\) | 3 × 3 |