| AHRS | Attitude and Heading Reference System |
| CDF | Central Difference Filter |
| DDF | Divided Difference Filter |
| EKF | Extended Kalman Filter |
| GRV | Gaussian Random Variable |
| IMU | Inertial Measurement Unit |
| KF | Kalman Filter |
| MARG | Magnetic, Angular Rate, and Gravity |
| MEMS | Micro Electro Mechanical Sensor |
| ODE | Ordinary Differential Equation |
| SPKF | Sigma–Point Kalman Filter |
| TVKF | Time Variable Kalman Filter |
| UKF | Unscented Kalman Filter |
| VLKF | Variable Linear Kalman Filter |
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