Demonstrating the Periodic Spectrum of a Sampled Signal Using the DFT - Neil Robertson
Fourier Transform of Basic Signals (Sampling Function) - YouTube
Gabriel Peyré on Twitter: "Sampling a signal is equivalent to periodizing its Fourier transform. For non-smooth signals (with non-compact Fourier transform), it creates aliazing. https://t.co/Dtguyw4bDm https://t.co/oHLgl9nb5H" / Twitter
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Sampling Signals (3/13) - Fourier Transform of an Impulse Sampled Signal - YouTube