4.1 Sensor Models
This section lists all key sensor model topics. You will later fill these pages with formulas, diagrams, and examples.
4.1.1 Gyroscopes
- Angular rate measurement model
- Bias & drift
- Scale-factor error
- Random walk noise
4.1.2 Accelerometers
- Specific force measurement model
- Bias & drift
- Misalignment
- Noise
4.1.3 Magnetometers
- Earth magnetic field vector
- Hard-iron distortion
- Soft-iron distortion
- Noise & calibration
4.1.4 Star Trackers
- Line-of-sight vector measurement
- Star catalog & centroiding
- Measurement noise
4.1.5 Sun Sensors (optional)
- Solar vector measurement
- Field of view
- Resolution & accuracy
4.1.6 GPS / GNSS
- Position measurement model
- Velocity measurement model
- Clock bias & drift
- Noise
4.1.7 Sensor Error Sources
- Bias
- Scale factors
- Misalignment
- White noise
- Random walk
4.1.8 Combined Sensor Suites
- IMU + Magnetometer
- IMU + GPS
- IMU + Star Tracker