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Fig. 13 | EURASIP Journal on Advances in Signal Processing

Fig. 13

From: RANSAC algorithm for instantaneous frequency estimation and reconstruction of frequency-modulated undersampled signals

Fig. 13

Two-component cubic phase signal, STFTs (window with 160 samples), and IF estimates (thick line—estimates, dashed lines—true IFs) for K/N=6% of available samples: a, b Components with different amplitudes and separable in the TF plane; c, d Components with different amplitudes with IFs intersecting in the TF plane; e, f Components with same amplitudes and separable in the TF plane; g, h Components with same amplitudes with IFs intersecting in the TF plane

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