作业帮clear all;close all;load('C:\Users\life-XD\Desktop\03.mat')wc = .01*piL = 128; for i = 1:L+1\x05% Generate sin(x)/x function Make symmetrical n = i-L/2 ; if n == 0 hn(i) = wc/pi; else \x05 hn(i)
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clear all;close all;load('C:\Users\life-XD\Desktop\03.mat')wc = .01*piL = 128; for i = 1:L+1\x05% Generate sin(x)/x function Make symmetrical n = i-L/2 ; if n == 0 hn(i) = wc/pi; else \x05 hn(i)
clear all;
close all;
load('C:\Users\life-XD\Desktop\03.mat')
wc = .01*pi
L = 128;
for i = 1:L+1\x05% Generate sin(x)/x function Make symmetrical
n = i-L/2 ;
if n == 0
hn(i) = wc/pi;
else
\x05 hn(i) = (sin(wc*(n)))/(pi*n); %Filter impulse response
end
%hn = hn .* blackman(L+1)';
[nu,ar]=size(b);
for
j=1:nu;
z(h)=b(j,:);
end
H = conv(z(j),hn);
plot(n,H);
axis([0 50 0 2]);
xlabel('Freqency (Hz)');
ylabel('H(f)');
end
clear all;close all;load('C:\Users\life-XD\Desktop\03.mat')wc = .01*piL = 128; for i = 1:L+1\x05% Generate sin(x)/x function Make symmetrical n = i-L/2 ; if n == 0 hn(i) = wc/pi; else \x05 hn(i)
你整个程序中就没有定义h这个变量.