Matlab写滤波器时,fk=0:12000/512:12000,这条代码是什么意思呢,起什么作用呢这是完整程序wp=2*pi*3600;ws=2*pi*12000;Rp=0.4;As=50;[N1,wp1]=cheb1ord(wp,ws,Rp,As,'s')[B1,A1]=cheby1(N1,Rp,wp1,'s')subplot(1,1,1)fk=0:12000/512:12000;wk
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![Matlab写滤波器时,fk=0:12000/512:12000,这条代码是什么意思呢,起什么作用呢这是完整程序wp=2*pi*3600;ws=2*pi*12000;Rp=0.4;As=50;[N1,wp1]=cheb1ord(wp,ws,Rp,As,'s')[B1,A1]=cheby1(N1,Rp,wp1,'s')subplot(1,1,1)fk=0:12000/512:12000;wk](/uploads/image/z/3964621-13-1.jpg?t=Matlab%E5%86%99%E6%BB%A4%E6%B3%A2%E5%99%A8%E6%97%B6%2Cfk%3D0%3A12000%2F512%3A12000%2C%E8%BF%99%E6%9D%A1%E4%BB%A3%E7%A0%81%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%91%A2%2C%E8%B5%B7%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8%E5%91%A2%E8%BF%99%E6%98%AF%E5%AE%8C%E6%95%B4%E7%A8%8B%E5%BA%8Fwp%3D2%2Api%2A3600%3Bws%3D2%2Api%2A12000%3BRp%3D0.4%3BAs%3D50%3B%5BN1%2Cwp1%5D%3Dcheb1ord%28wp%2Cws%2CRp%2CAs%2C%27s%27%29%5BB1%2CA1%5D%3Dcheby1%28N1%2CRp%2Cwp1%2C%27s%27%29subplot%281%2C1%2C1%29fk%3D0%3A12000%2F512%3A12000%3Bwk)
Matlab写滤波器时,fk=0:12000/512:12000,这条代码是什么意思呢,起什么作用呢这是完整程序wp=2*pi*3600;ws=2*pi*12000;Rp=0.4;As=50;[N1,wp1]=cheb1ord(wp,ws,Rp,As,'s')[B1,A1]=cheby1(N1,Rp,wp1,'s')subplot(1,1,1)fk=0:12000/512:12000;wk
Matlab写滤波器时,fk=0:12000/512:12000,这条代码是什么意思呢,起什么作用呢
这是完整程序
wp=2*pi*3600;ws=2*pi*12000;Rp=0.4;As=50;
[N1,wp1]=cheb1ord(wp,ws,Rp,As,'s')
[B1,A1]=cheby1(N1,Rp,wp1,'s')
subplot(1,1,1)
fk=0:12000/512:12000;wk=2*pi*fk;
Hk=freqs(B1,A1,wk);
plot(fk/1000,20*log10(abs(Hk)));grid on;
xlabel('频率(kHz)');ylabel('幅度(dB)')
axis([0,12,-70,5])
fk=0:12000/512:12000,这条代码是什么意思呢,用的是什么函数吗?起什么作用呢,请详细说下,
Matlab写滤波器时,fk=0:12000/512:12000,这条代码是什么意思呢,起什么作用呢这是完整程序wp=2*pi*3600;ws=2*pi*12000;Rp=0.4;As=50;[N1,wp1]=cheb1ord(wp,ws,Rp,As,'s')[B1,A1]=cheby1(N1,Rp,wp1,'s')subplot(1,1,1)fk=0:12000/512:12000;wk
这句的意思是fk以步进12000/512从0到12000的一个离散值.换句话说就是fk从0到12000均匀取512个点进行采样.