Butterworth filter frequency response with 2nd order, 3rd order and 4th order figures

2012 7 月 19

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19 ビュー (30 日間)

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hi,

i want butterworth filter frequency response with 2nd order, 3rd order and 4th order in a single plot..

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Honglei Chen 2012 年 7 月 19 日

1 投票

Just as an example

[b1,a1] = butter(2,0.5);
[b2,a2] = butter(3,0.5);
fvtool(b1,a1,b2,a2)

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