| PLKF | Pseudolinear Kalman filter |
| MMSE | Minimum mean square error |
| PCRLB | Posterior Cramer–Rao Lower Bound |
| BOT | Bearings-only tracking |
| EKF | Extended Kalman filter |
| MPEKF | Modified polar coordinate extended Kalman filter |
| UKF | Unscented Kalman filter |
| PF | Particle filter |
| KF | Kalman filter |
| MPKF | Modified pseudolinear estimator |
| BC-PLKF | Bias-compensated pseudolinear Kalman filter |
| IV | Instrumental variable |
| IVKF | Instrumental variable Kalman filter |
| SAM | Selective-angle-measurement |
| SAM-IVKF | Selective-angle-measurement instrumental variable Kalman filter |
| 2D | Two-dimensional |
| NCV | Nearly constant velocity |
| PL-MMSE | Pseudolinear-MMSE |
| RMSEs | Root mean square errors |
| BNorms | Bias Norms |
| NEES | Normalized estimation error squared |
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