| DOA | Direction-of-arrival |
| UCLA | Unfolded coprime linear array |
| DOF | Degree of freedom |
| MUSIC | Multiple Signal Classification |
| ESPRIT | Estimation of Signal Parameters via Rotational Invariance Techniques |
| ULA | Uniform linear array |
| CLA | Coprime linear array |
| AIC | Akaike Information Criterion |
| MDL | Minimum Description Length |
| RMSE | Root mean square error |
| CRB | Cramér–Rao lower bound |
| SNR | Signal-to-noise ratio |
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