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As shown in Fig. 4, when two or more frequency components (P0, Px1, Px2) exist, the maximum value among all
the frequency components (Px1, Px2 in the case of Fig. 4) except for P0, that is the component of frequency 0, will
be set as Px. With the JEITA method, the flicker amount in this example is calculated by the following formula.
Flicker amount = 10 × log (Px/P0) [dB]