?? c5_1_1.m
字號:
clear all;
clf;
signal = sin(2*pi*0.055*[0:1000-1]');
noise=randn(1,1000);
nfilt=fir1(11,0.4);
fnoise=filter(nfilt,1,noise);
d=signal.'+fnoise;
w0 = nfilt.' -0.01;
mu = 0.05;
s=initse(w0,mu);
[y,e,s] = adaptse(noise,d,s);
plot(0:199,signal(1:200),0:199,e(1:200));
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