%************ Variable declaration******************
rng('default')
t = -20:0.1:20;
signal = zeros(1,length(t)); %for spped allocations
c = 25; % constant
ak = -1 + 2*rand(1,21); % numbers in the interval (a,b) with the formula r = a + (b-a).*rand(N,1).
%********************************************************************************************
for i = 1:length(t)
T = t(i);
data = 0;
for k = -10:1:10
data = data + ak(k+11)*sinc(T-k);
end
signal(i) = c*data;
end
plot(t,signal)
