FFT Amp Spectrum (Volts RMS)

NI-SCOPE LabVIEW

FFT Amp Spectrum (Volts RMS)

The amplitude spectrum is calculated using a split-radix real FFT. If the number of acquired points is not a power of two, zeros are padded at the end of the waveform so it is the next higher power of two.

Units

Volts RMS

X Units

hertz

Resulting Array Size

Next higher power of two than inputSize divided by two.