科目数字信号处理基础实验项目学生学号指导老师实验日期数字信号处理实验利用矩形窗、哈明窗、汉宁窗和布莱克曼窗设计FIR低通滤波器,已知Wc=,N=10。N=10;M=128;b1=fir1(N,,boxcar(N+1));b2=fir1(N,,hamming(N+1));b3=fir1(N,,hanning(N+1));b4=fir1(N,,blackman(N+1));h1=freqz(b1,1,M);h2=freqz(b2,1,M);h3=freqz(b3,1,M);h4=freqz(b4,1,M);f=0::-;plot(f,abs(h1),':',f,abs(h2),'--',f,abs(h3),'-.',f,abs(h4));legend('矩阵窗','哈明窗','汉宁窗,'布莱克曼窗');grid;ylabel('magnituderesponse');xlabel('w/(2*pi)');axis([]);set(gca,'XtickMode','manual','Xtick',[0,,])set(gca,'XtickMode','manual','Xtick',[0,0,5,1])
利用矩形窗、哈明窗、汉宁窗和布莱克曼窗设计FIR低通滤波器 来自淘豆网m.daumloan.com转载请标明出处.
