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My simplest way is matlab:
y = fft(x,1024); %that's all
if you want to do it on fpga then you have do Fourier transform either through
(1) fft core done by vendor or
(2) design from basics.
(3) use dspbuilder. You drag fft block, set the parameters and you are done.
(4) use matlab HDL coder(not sure about the exact name but its Mathworks tool to convert matlab code such as above to HDL. I am told this is too expensive.
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Yeah i want to do it on FPGA
Is the DSPbuilder present in QuartusII, is it in the block builder or a different one, if so could you please give the path where i can access it in quartusII.
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