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Altera_Forum
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17 years ago

Help 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's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Attached are three screen shots of the spikes on the monitor for 944Hz, 1260Hz, and 1335Hz. And as you can see, 1335Hz is very clean and sharp. 1260Hz is not as good, and 944Hz is the worst. Don't jump to the conclusion that higher frequency will give me a better result, because at 841Hz, again I get a very clean and sharp spike.