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Altera_Forum
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15 years ago

wrong data through IFFT, FFT

Hi everyone, I use altera fft ip core 9.0, and let my data go through 1024 ifft - GI - GI_remover - 1024 fft, but i did not get the origin data back(not the scaling problem, the data is totall...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi Winder,

Thanks for your reply.

My input is just in natural order. And could you tell me how to calculate my data's time samples span? I have real[13:0] and imag[13:0] work under 100MHz.

Really appreciate your help