Sparse Spatial Spectral Fitting with Nonuniform Noise Covariance Matrix Estimation Based on Semidefinite Optimization

<div>Comparison of the DOA estimation RMSEs versus the number of snapshots.</div>

Wireless Communications and Mobile Computing

Figure 4: Sparse Spatial Spectral Fitting with Nonuniform Noise Covariance Matrix Estimation Based on Semidefinite Optimization 