FFT Phase Spectrum

NI-SCOPE LabVIEW

FFT Phase Spectrum

The phase 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. The phase spectrum is unwrapped.

Units

Radians

X Units

hertz

Resulting Array Size

Next higher power of two than inputSize divided by two.