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Results tagged with sampling
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user 26812
In signal processing, sampling is the reduction of a continuous-domain signal to a discrete-domain signal.
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Sampling and the creation of multiple images at integer multiples of the sampling frequency
From what I thought I learned about sampling is that when you draw a sampled signal in the frequency domain, you can show copies or "images" of that signal at integer multiples of the sampling frequency … For example if my sampling frequency is $20 \ \mathrm{Hz}$, what does the next integer multiple at $40 \ \mathrm{Hz}$ tell me? …
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