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about FFT

Question asked by alvin012345 on Dec 23, 2009
Latest reply on Jan 29, 2010 by mark

Hi guys

 

For computing a complex fft...

If i directly put the output of the ADC as the input argument for my fft (by the way i'm using cfft) will it cause any problems for the computation of the fft?

Do i need to do some changes to the output of the ADC before using it as the input for my fft?

 

for example if have 2048 as the no. of my fft points, would the direct output of the ADC yield a correct result as the input of the fft or need to be put in an array first to match the number of fft points?

please help..

 

i'm using ADSP537 ez-kit for this application

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