LabVIEW: Magnitude and Phase of 1st Harmonic

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gkrj07

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Hello,
I need to obtain NUMERIC values (not graphical) of magnitude and phase of 1st harmonic of signal in LabVIEW. The source signal is of type (double[64-bit real (~15 digit precision )]).
 

Use the FFT module and take the element from the output array which corresponds to the first harmonic
 

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