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 (bottom) as the standard deviation (SD) of the normal random array is increased. The MC plotted is the mean of 50 independent instances of each array. The reconstruction rate plotted is the mean of 5 independent instances of each array, on 200 independent trials for each level of sparsity. A reconstruction is deemed successful if the relative error RE ≤ 0.01.
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