?? exa020801_filter.m
字號:
%-----------------------------------------------------------------
% exa020801_filter.m, for example 2.8.1
% to test filter.m and to obtain the step response.
%-----------------------------------------------------------------
clear;
x=ones(100);
t=1:100;
b=[.001836,.007344,.011016,.007374,.001836];
a=[1,-3.0544,3.8291,-2.2925,.55075];
%
y=filter(b,a,x);
% 求所給系統的輸出,本例實際上是求所給系統的階躍響應;
plot(t,x,'r.',t,y,'k-');grid on;
ylabel('x(n) and y(n)')
xlabel('n')
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