| CRB | Cramér–Rao Bound |
| DOA | Direction-of-Arrival |
| DOF | Degree-of-Freedom |
| ESPRIT | Estimation of Signal Parameters via Rotational Invariance Techniques |
| MUSIC | MUltiple SIgnal Classification |
| RMSE | Root Mean Square Error |
| SNR | Signal-to-Noise Ratio |
| SS-MUSIC | Spatial Smoothing MUSIC |
| SSR | Sparse Signal Reconstruction |
| ULA | Uniform Linear Array |
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