DOA	Direction of arrival
2D	Two-dimensional
MUSIC	Multiple signal classification
ESPRIT	Estimation of signal parameters via rotation-invariant technique
EVD	Eigenvalue decomposition
SVD	Singular-value decomposition
ULA	Uniform linear array
CPU	Central processing unit
RAM	Random access memory
SNR	Signal-to-Noise Ratio
RMSE	Root mean squared error
CRB	Cramer–Rao bound
FIM	Fisher information matrix