Forum Discussion
Altera_Forum
Honored Contributor
17 years agoHelp with altera FFT
hello; what i want to do is to get spectrum of an sinusoidal signal using the altera fft core i have generated a v8 fft with the following setting: fft point : 64 (to start with) archi...
Altera_Forum
Honored Contributor
17 years agoi was looking at the images you posted and thought that it looked like a windowing issue. your last post sounds a little different.
are you displaying the magnitude spectrum in linear or log? if its linear then small variations in amplitude of the sinusoid will look like significant variations in the frequency domain.