Design a Notch Filter

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2020 3 30

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CoM_example.mat

Hello,

I have a whitenoise signal recorded at Frequency = 100Hz and I want to remove some sinusoidal trends that I have observed in the Welch analysis. Can someone please tell me how to remove these trends observed at 0.06 0.12 0.18...freq?? Please find attached an example of the time series 'CoM_example.mat'

I want to remove them and create a new signal for further fractal analysis. I have been trying with some codes but I didn't succeed.

Thank you in advance.