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How can I remove DC component from EMG signal?

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Christine Ak
Christine Ak 2013-6-28
the signal is :
y=EMG +5
I will design a FIR filter but how exactly can I remove the DC component ( 5 ) from y ??

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Honglei Chen
Honglei Chen 2013-6-28
If you know it's 5, why not simply
y - 5
If you don't know it's 5, then you can do
y = detrend(y)
HTH

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