Figure 3From: ESPRIT with multiple-angle subarray beamformingAveraged ESPRIT-SB DOA RMSE versus (a) subarray number and (b) subarray separation for two equal-power signals from 25.6° and 26.5°, respectively. For (a), a fixed subarray spacing of five elements is used; (b), a fixed subarray number of four is used.Back to article page