d = fdesign.lo​wpass('Fp,​Fst,Ap,Ast​',1,3,0.5,​40,60);

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suresh
suresh 2012-5-29
评论： nam bui 2021-2-10
d = fdesign.lowpass('Fp,Fst,Ap,Ast',1,3,0.5,40,60);
sir, please tell me what is 1,3,0.5,40,60 im assuming that here 60 is sampling frequency please describe other parameters

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Wayne King
Wayne King 2012-5-29
d = fdesign.lowpass('Fp,Fst,Ap,Ast',1,3,0.5,40,60);
  1. 1 is the passband frequency
  2. 3 is the stopband frequency so the region between 1 and 3 Hz is a transition region
  3. 0.5 is the passband ripple in dB
  4. 40 is the amount of stopband attentuation you want in dB
  5. 60 is the sampling frequency
  1 个评论
nam bui
nam bui 2021-2-10
Hello,
how can you apply a cut off frequency with this command?
d = fdesign.lowpass('Fp,Fst,Ap,Ast',1,3,0.5,40,60);

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manikanta dachepalli
how to find pass band ripple

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