Dear All,
I just wonder if there is a simple way to calculate IFFT based on FFT results?
I was trying to configure xilinx FFT coregen v3.1 to perform IFFT operation, but no matter how hard I tried, the result is the same as FFT. Strange! The timing is exactly based on the FFTv3.1 datasheet. Assert fwd_inv_we ='1', and fwd_inv=' 0', and then de-assert fwd_inv_we.
If this problem can not be solved, I have to calculate IFFT based on the result of FFT.
Has anyone experienced this before?
Cheers,
Yao