tfpm_plot_cmn.m

用于模拟时变非平稳的ARMA过程

function tfpm_plot_cmn(Cmn, c0l, sty, sty_re, sty_im)
% function tfpm_plot_cmn(Cmn, c0l, sty, sty_re, sty_im)
%   This file is part of the TFPM toolbox v0.9 (c)
%   [e-mail] and underlies the GPL.
% 

% Dimensions:
N= size(Cmn, 1);
M= size(Cmn, 2)-1;

if(~max(max(abs(imag(Cmn))))>eps)
   sty= 1;
end;
if(~sty)
   plot(real(Cmn))
   axis([0 N-1 -2 2])
else
   if(c0l)
         MM= M+1;
      else
         MM= M;
      end;
   for m= 1:MM
      subplot(MM, 1, MM-m+1)
      hold on
      plot(real(Cmn(:, M+2-m)), sty_re)
      if(~isreal(Cmn(:, M+2-m)))
         plot(imag(Cmn(:, M+2-m)), sty_im)
      end;
      axis([0 N-1 -2 2])
   end;
end;