polyzero.m

arma模型的功率谱估计代码。还包括系统的极零点分析等完整软件包。

%main 3  poly and zero
clear;
figure(1)
realb1=[1,0.3544,0.3508,0.1736,0.2401];
reala1=[1,-1.3817,1.5632,-0.8843,0.4096];
reala2=[1,-1.6408,2.2044,-1.4808,0.8145];
realb2=[1,1.5857,0.9604];
H1=tf(realb1,reala1);zgrid;
H2=tf(realb2,reala2);zgrid;
pzmap(H1,'b',H2,'r');