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Betsey


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Question


differences between function filtfilt and filter?
I want to do low pass filtering for my data, my data is a time series for energey, so all input data are positive. I design a 8 ...

13 years ago | 1 answer | 0

1

answer

Answered
Why my butterworth low pass filter doesn't work?
Yes, you are right. I made fft for the butterworth filter too in another code, but the result seems to be the same.

13 years ago | 0

Answered
Why my butterworth low pass filter doesn't work?
I wamt to find a low frequcncy signal in my data, but my data is a little noisy and the low frequency signal maybe not so strong...

13 years ago | 0

Question


Why my butterworth low pass filter doesn't work?
I want to do a low pass filter, in order to test if my filter work properly, I first use a simple data to test. I compose a data...

13 years ago | 4 answers | 0

4

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