Sparse Signal Recovery for Direction-of-Arrival Estimation Based on Source Signal Subspace

Figure 1

Spatial spectra of ℓ₁-SVD, OGSBI-SVD, MUSIC, sSSR-AC, and sSSR-SS in real data tests for (a) sources from [−6.25^∘,7.05^∘] and (b) sources from [−6.25^∘,0^∘].

(a)

(b)