function Aq = ARcoef(q) % AR model generated signal% q = model orderrand('state',sum(100*clock));Vm = 0.8 + 0.1*rand(q/2,1);rand('state',sum(100*clock));Va = pi*rand(q/2,1);j = sqrt(-1);V=[Vm.*exp(Va*j) ; Vm.*exp(-Va*j)];%the coefficients of the polynomialAq=poly(V);