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li wang (@liwang)


samecues, thanks for your reply. I tried cos and exp(both has the same increasing tread), but not both sin and cos. I read there is discussion on internet "Using...
Hi ing_jpu, thanks for your reply. unfortunately the last error plot(which does not increase with x) is from buidin IFFT inverse function, and it doesn't fit...
Knutlnge, appreciate your help. I also tried exp instead of sin/cos with little improvement. Do you know the cause of this increasing tread? As I post above, the...
Saludos, Thank you so much for your help. Following your suggestion, I adjusted my codes, but unfortunately, the results are the same (first group plot).   For...
1Hello, I am manually compute the inverse FFT using the NumPy FFT components by the below codes, to compare the rebuild signal with the original signal (sin function)....

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