Fig. 9From: RANSAC algorithm for instantaneous frequency estimation and reconstruction of frequency-modulated undersampled signalsCubic phase signal with K/N=12%—100 trials of the RANSAC procedure without (left) and with refinement (right column) for various SNRs: first row—−2dB; second row—2dB; third row—6dB; fourth row—10dB. Blue line—exact IF value; black lines—estimatesBack to article page