c3_upsampex.m

线性内插器的matlab程序

% File:c3_upsampex.m
M=6;
h=c3_lininterp(M);
t=0:10;
tu=0:60;
x=sin(2*pi*t/10);
xu=c3_upsamp(x,M);
subplot(3,1,1)
stem(t,x,'k.')
ylabel('x')
subplot(3,1,2)
stem(tu,xu,'k.')
ylabel('xu')
xi=conv(h,xu);
subplot(3,1,3)
stem(xi,'k')
ylabel('xi')
%