Fig. 1From: Low complexity sparse beamspace DOA estimation via single measurement vectors for uniform circular arrayComparison of pattern amplitudes for the M-sensor UCA. (a) M=9, He is 4, 10, correspondingly r = 0.6 λ, 1.5 λ. (b) M=9, He is 4, 15, correspondingly r = 0.4 λ, 1.5 λ. (c) M=16, He is 7, 15, correspondingly r = 0.8 λ, 0.4 λ. (d) M=16, He is 7, 31, correspondingly r = 0.8 λ, 0.2 λBack to article page