Simulated flare QPP period plotted against the flare duration (left) and QPP signal duration (right). The grey points represent the input parameters of the simulated flares with QPPs, while the black points represent the simulated flares with QPP signals that were detected using the method described in Sect. 3.2. Left: the Pearson correlation is 0.23 with a p-value of 0.0, and the Spearman correlation is 0.30 with a p-value of 4 × 10⁻²⁷. Right: the Pearson correlation is 0.31 with a p-value of 0.0, and the Spearman correlation is 0.30 with a p-value of 3 × 10⁻²⁷.