Computes the real fast Fourier transform (FFT) or the real discrete Fourier transform (DFT) of the input sequence X. Details
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X is the real input sequence. |
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FFT {X} is the FFT of X. |
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error returns any error or warning from the VI. Refer to Signal Processing Error Codes for more information about these conditions. |
The input sequence is real-valued.
The Real FFT VI executes FFT routines if the size of the input sequence is a valid power of 2
size = 2m, m = 1, 2, , 23.
If the size of the input sequence is not a power of 2, the Real FFT VI calls an efficient real DFT routine.
The output sequence Y = Real FFT[X] is complex and returns in one complex array
Y = YRe + jYIm