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Aug 24, 2019 at 2:26 comment added Anh Tran @Hilmar Definitely will do that!
Aug 24, 2019 at 2:25 answer added Anh Tran timeline score: 1
Aug 23, 2019 at 14:46 comment added Hilmar I strongly recommend starting with a few sine waves, and see if you get the expected results. Actually, I recommend reading a good text book first: without understanding the math and assumptions of the FFT, you are unlikely to get meaningful results.
Aug 23, 2019 at 14:02 comment added endolith Can you post the csv file?
Aug 23, 2019 at 12:19 history asked Anh Tran CC BY-SA 4.0