Dario Greggio wrote:
> Hmmm, I may be missing something but.. I can't get any result out of
> the IIR filtering, nor the raw samples, nor their average...
>
> Well, I simulated 20 samples (one full sine wave) on an Excel
> spreadsheet, and tried shifting the sine with respect to the sampling
> point, and the result does change a lot - not good.
>
> Can you suggest where I'm going wrong?

It's not clear what exactly you're doing.  You have 20 samples of a sine
wave, but what are you trying to get from those and what are you getting?

If this signal contains harmonics, did you remember to apply a anti-aliasing
filter to get rid of the ones your sample stream can't represent?


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