%線性調頻信號的STFT?Gabor比較
%產生線性調頻信號
clear?all
clc
t=0:0.001:1.023;
N1=1024;
y=sin（t）;
Y=y‘;
sig1?=chirp（t01350）;
sig2?=?chirp（t35010）;
sig=sig1‘+sig2‘;
%信號的STFT變換
figure（1）;
tfrstft（sig1:1024128hamming（33）0）;
figure（2）;
%subplot（211）tfrpwv（sig1:1024）;
subplot（212）tfrstft（sig1:1024128gausswin（33）0）;
figure（3）;
tfrstft（Y1:1024128hamming（33）0）;
%tfrstft（sig1:10241024hamming（43）0）;
%tfrstft（sig1:10241024hamming（89）0）;
%figure（2）
%tfrgabor（sig164hamming（33）0）;
%tfrgabor（sig644hamming（129）0）;

?屬性????????????大小?????日期????時間???名稱
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?????文件????????568??2013-11-24?17:52??chirp3zhongbianhuan\chirp3zhongbianhuan.m

?????文件???????3068??2005-10-13?23:15??chirp3zhongbianhuan\tfrstft.m

?????文件???????4624??2005-10-13?23:15??chirp3zhongbianhuan\tfrgabor.m

?????文件???????4236??2013-11-23?21:17??chirp3zhongbianhuan\chirp3zhongbianhuan.rar

?????文件????????568??2013-11-24?17:51??chirp3zhongbianhuan\chirp3zhongbianhuan.asv

?????文件?????649539??2013-11-24?13:49??chirp3zhongbianhuan\matlab.mat

?????目錄??????????0??2013-11-23?21:18??chirp3zhongbianhuan

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