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Filter command doesnot work here. what can i do?

10 次查看（过去 30 天）
Nazi khan
Nazi khan 2016-4-9
关闭： MATLAB Answer Bot 2021-8-20
n = 1000;
n = randi([-1 1],n,1);
j= (n >= 0);
jm=(n<0);
j1(j)=1;
j1(jm)=-1;
dataIn=j1(:);
h=[1 -0.5 0.25];
y=conv(h,dataIn);
z = y(1:end-2,:);
noise1=normrnd(0,0.1,[length(z)],1); %generate noise signal of zero mean and 0.1 variance
r1=z+noise1;
d=r1(1:end-950,:); %take 50 values of output
mu = 18; % NLMS step size
offset = 50; % NLMS offset
ha = adaptfilt.nlms(3,mu,1,offset);
[y,e] = filter(ha,x,d);
stem([h', ha.coefficients']);
legend('Actual','Estimated'); grid on;
xlabel('Coefficient #'); ylabel('Coefficient Value');
  1 个评论
Jan
Jan 2016-4-9
Start with explaining "doesn't work" with any details. Do you get an error message or do the results differ from your expectations?

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