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butterworth band pass filter

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khatere darvish 2018-6-24

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评论： khatere darvish 2018-6-24

采纳的回答： Jan

hi, i want to design a butterworth bandpass filter with this specification: sample rate=250 Hz, low and high cutoff frequency=8-30 Hz, order=5

i wrote below commands but i'm not sure it is true.is it true?

[b,a] = butter(5,[8 30]/125,'bandpass');

can anybody help me?

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Jan 2018-6-24

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https://ww2.mathworks.cn/matlabcentral/answers/407136-butterworth-band-pass-filter#answer_326038

According to the documentation, this is correct: doc butter (link)

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khatere darvish 2018-6-24

thank you so much

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Signal Processing Signal Processing Toolbox Digital and Analog Filters Digital Filter Design Butterworth

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