% exa070401_tfrwv.m ,for example 7.4.1 
% to test tfrwv.m 

clear;
%產(chǎn)生兩相加線性調(diào)頻信號
sig=[fmlin(1024,0.1,0.4)+fmlin(1024,0.4,0.1)];

% 求兩個Chirp 信號和的短時傅里葉變換；
tfrwv(sig);