3 ms·
Really great explanation, but one thing is missing that plagues every other explanation of Fourier analysis: signals are not infinite. The time window you use
by dinobones 4y ago
Really great explanation, but one thing is missing that plagues every other explanation of Fourier analysis: signals are not infinite.
The time window you use for analysis matters just as much as the number of frequency bins, but everyone always ignores the time window for some reason.
- dsego 4y agoIs there something missing in the two sections near the end about the sinc function and limited time intervals? https://dsego.github.io/demystifying-fourier/#sinc-function-and-spectral-resolution https://dsego.github.io/demystifying-fourier/#sinc-function-...