Sampling a signal causes the original signal spectrum (blue) to create sum (purple) and difference (red) frequencies around the sampling frequency, fS. When the difference signals fall into the ...

If we want to take samples of some analog waveform, as in doing analog to digital conversions at some particular conversion rate, there is an absolute lower limit to the rate of doing conversions ...

Every so often someone publishes an article discussing aliasing. I thought I’d jump on the bandwagon – you know, that one in the movies whose wheels seem to be rotating the wrong way. Is aliasing a ...