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Altera_Forum's avatar
Altera_Forum
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12 years ago

FFT MegaCore Function Output is not as expected

Hi, I have generated one FFT MegaCore Function in my FPGA design and simulated it using test bench. And the output is compared with the expected values; but they are not same. the parameter...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I don't know about your fft scaling issue of exp as it is related to your ip specifics. But what do you compare with? and why do you use log.

if you are comparing with matlab fft then you don't need the log. Just compare fft outputs directly and possibly you may get scaling issues.