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Comodulograms showing the Osipova coherence metric with varying sliding Fourier transform window size. All panels use the same simulated 40 Hz high-frequency signal that is amplitude modulated by a 6 Hz signal. The x-axis shows the modulation frequency fm, and the y axis depicts the carrier frequency, fc. As the Fourier transform window size is increased (sizes 4 to 60 cycles), the sensitivity to CFC decreases.
