3/24/2023 0 Comments Dfs themaker![]() People should read this other answer i wrote a long time ago regarding the inherent periodic nature of the DFT. $$ \tilde$ is the same as $X$ and just stop fucking around with this DFT business. To be explicit, the periodic extension of the $N$ samples of $x$ passed to the DFT is: This is why, if periodicity is not assumed (a better word would be "recognized"), then people need to use this clunky modulo notation in the indices, like $x$ (this is the notation that O
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