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ID:34507339
大小:5.89 MB
页数:380页
时间:2019-03-07
《05 数字信号处理及其matlab实现》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、数字信号处理及其MATLab实现DigitalSignalProcessingUsingMatlabVinayK.IngleandJohnG.Proakis著陈怀琛等译%ButterworthLowpassFilterDesign:%UseoftheMatlabBUTTERfunctionwp=0.2;%digitalPassbandfreqinNyquistFrequencyws=0.3;%digitalStopbandfreqinNyquistFrequencyRp=1;%PassbandrippleindBAs=15;%StopbandattenuationindB%Digita
2、lButterworthFilterDesign:[N,Wn]=buttord(wp,ws,Rp,As)T=1;%SetT=1OmegaP=(2/T)*tan(wp/2);%PrewarpPrototypePassbandfreqOmegaC=OmegaP/((10^(Rp/10)-1)^(1/(2*N)));%AnalogBWprototypecutoffwn=2*atan((OmegaC*T)/2);%DigitalBWcutofffreq[b,a]=butter(N,wn);电子工业出版社1998
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