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Timeline for Harmonic analysis for a beginner

Current License: CC BY-SA 4.0

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Sep 26, 2022 at 10:34 vote accept CfourPiO
Sep 26, 2022 at 10:34 history bounty ended CfourPiO
Sep 22, 2022 at 8:05 comment added CfourPiO Thannk you for your answer. For question 1 (about how many samples are enough samples for a Gaussian frequency spectrum), if I say that the samples are coherent (uniform sampling) and the signal to noise ratio is enough, can I find this number based on some accuracy $\epsilon$ ? It is like finding the value of a parameter at which a mathematical sum is convergent. I know it depends on the standard deviation of the original Gaussian, but I am not able to find a relation.
Sep 21, 2022 at 12:33 history edited Carlo Beenakker CC BY-SA 4.0
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Sep 21, 2022 at 12:19 history answered Carlo Beenakker CC BY-SA 4.0