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User1582192733150209
Occasional Contributor
6 years agoDigit Reverse Order issue for INTEL FFT IP core
Hello Sir/Madam,
I am simulating the intel FFT IP core, and seems the index of non-natural order FFT output is not fully match the index digi reverse calculation.
Quartus prime pro 17.1
Model...
User1582192733150209
Occasional Contributor
6 years agoAny update?
below is the MATLAB plot for FFT verification .
left top cornet one is for signal source
right top cornet one is for direct FFT using matlab itself
with this we can expect 2 spike at index 4 and index 252.
the spike I mentioned is amplitude 1280.
thanks
Jim
- User15821927331502096 years ago
Occasional Contributor