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

Figure 2

Spatial spectra of ℓ₁-SVD, OGSBI-SVD, MUSIC, sSSR-AC, and sSSR-SS in numerical simulations for (a) sources from [−5^∘,5^∘] and (b) sources from [−5^∘,0^∘]. SNR=−5dB.

(a)

(b)