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FFT is wildly inaccurate for the DC value #4

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drmpf opened this issue Jul 11, 2024 · 0 comments
Open

FFT is wildly inaccurate for the DC value #4

drmpf opened this issue Jul 11, 2024 · 0 comments

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@drmpf
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drmpf commented Jul 11, 2024

Running the data from Example01_Basic.ino gives
Freq, mag
0, 8288
0.19,817
direct calculation (DFT) gives
0, 66058
0.19, 817.92

matlab gives 10x the results ??
i.e.
0, 660580
0.19, 8180

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