Update FFT demo to show FFT with Hann window #17
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| Hi @gosub-com, thanks for this PR! People discovering this page may find the code examples over on https://github.com/swharden/FftSharp helpful too.
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Nice demo!
I was curios if using a Hann window https://en.wikipedia.org/wiki/Hann_function would affect the FFT, so I updated the demo to include it. Here is what it looks like with a 1000 Hz signal: