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Fig. 3 | BMC Bioinformatics

Fig. 3

From: Interpretive time-frequency analysis of genomic sequences

Fig. 3

Results of (1)–(6) for the synthetic DNA sequence in (11). a The symmetry function using (3). b The ambiguity function using (6), showing the stationarity and spectral color of the sequence. c The instantaneous auto-correlation using (1), representing the similarity of the sequence with its time lag nucleotides. d The auto-correlation of the sequence using (2), with a maximum peak at τ=0. e The WV transform using (5), indicating the time-frequency properties of the sequence. f The spectrum using (4), which shows the global spectral properties for the sequence

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