Tag: Aliasing
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Why You Need an Anti-Aliasing Filter Before Sampling
An anti-aliasing filter strips high frequencies before your DAQ samples the signal. Skip it and noise folds in as a fake reading you can’t undo. Read more
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Sampling Rate and the Nyquist Rule: How Fast Is Fast Enough?
By Joseph “Joe” Zarycki Here’s a question that trips up a lot of good measurements. How fast do you need to sample a signal to capture it right? The Nyquist rule has the answer. Sample too slow and your data lies to you. It looks clean on the screen. It’s just wrong. The Nyquist rule… Read more
