tfpm_plot_roots.m

用于模拟时变非平稳的ARMA过程

function tfpm_plot_roots(Cmn, maxreal, maximag, symb)
% function tfpm_plot_roots(Cmn, maxreal, maximag, symb)
%   This file is part of the TFPM toolbox v0.9 (c)
%   [e-mail] and underlies the GPL.
% 

hold on
plot(Cmn+j*eps*ones(size(Cmn)), symb);
n= -50:50;
theta= 2*n/100*pi;
plot(sin(theta), cos(theta)) 
axis([-1.9*maxreal 1.9*maxreal -1.5*maximag 1.5*maximag])