fft_dirac.m

用于模拟时变非平稳的ARMA过程

function u= fft_dirac(N)
% function u= fft_dirac(N)
%   This file is part of the TFPM toolbox v0.5 (c)
%   [e-mail] and underlies the GPL.
% 
% Generates the delta-Dirac function of length N. 

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if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
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clear;tfpm;
N= 16;
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end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
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u= [1; zeros(N-1, 1)];

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if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
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figure(97);plot(u)
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end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
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