Fig. 5

Modeled ACFs (left panels) and their 40 s-long LCs (insets) for a random-phase ensemble of ~100 damped-sinusoidal waves (upper panels) and |sin(ωt)| function (lower panels) with period of 0.7 s. The corresponding PDS (right panels) showing prominent QPO peaks at ~1.4 Hz as expected. The damping time in a), b) is ~10 s.
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