1) At first you have to calculate the number of values of three periods.

3 * Period(Signal) / (Signal.X[1] - Signal.X[0])

Then you can use the Signal Smoothing Analysis Object. The object calculates a smoothing average. This analysis object uses the Smooth- or the Mean-FPScript function to calculate the moving average.

2)FlexPro offers the index operator [] or the value index operator [[]]. These operators can extract sections from signals and signal series.

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