Scatter comparison of different methods with snapshots = 100 and SNR = 0 dB. (a) Scatter plot of the ESPRIT method. (b) Scatter plot of the RD PSS method.(c) Scatter plot of the PARAFAC method.(d) Scatter plot of the proposed method. (e) Scatter plot of the proposed method for three targets. (f) Scatter plot of the proposed method for three targets.