How do I use a filter...?

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Junu Lee 2021-1-18

评论： Mathieu NOE 2021-1-19

I obtain angular velocity data from AHRS sensor.

Then I obtain angular acceleration by applying discrete differentiation each term.

But I has many noises, so I'd like to apply a low pass filter.

But I don't know how to make a filter.

How can I make spectrum and find cutoff frequency?

And then how can I make filter..?

Thank you..

Mathieu NOE 2021-1-19

hello

you can start with simple moving window averaging (equivalent to low pass FIR ) using movmean

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