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Fig. 5

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Mutual coherence of measurement matrices as the number of antennas in the array increases (top) and rate of successful OMP reconstructions of random point sources with arrays of 27 antennas (bottom). For the randomized arrays (URA, NRA, and YOPP), the MC plotted is the mean of 50 independent instances of the array. The reconstruction rate plotted is the mean of 5 independent instances of the array, on 200 independent trials for each level of sparsity. A reconstruction is deemed successful if the relative error RE ≤ 0.01. Original versions of these figures appeared in Fannjiang (2011).

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