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How can i design Butter worth filter

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Friedrich
Friedrich le 20 Mar 2014

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There is a function called butter in the Signal Processing Toolbox which does exactly what you want.

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Dries billiet
Dries billiet le 20 Mar 2014

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this is also with the function called butter. For a highpass you can write the following: [a,b]=butter(order,cutofffreq,'high') or write 'low' if you would like lowpass filter

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