test0807spectrogram.m

信号处理实例

%---------------------------------------------------------------------------------------
% test0807specgram.m,  for  example 08.07
% spectrogram fo chirp signal 
% 2006.12.18 LYB
%----------------------------------------------------------------------------------------
t=0:1/1000:2;
x=chirp(t,0,1,150);
specgram(x,256,1000,256,250);