compare.asv

现代通信系统使用-matlab (书中代码),自己慢慢写的,并经过调试的,希望对大家有用

ts=0.001;                          
fs=1/ts;                           
t=[0:ts:10];                       
x=cos(2*pi*47*t)+cos(2*pi*219*t);  
p=spower(x);                        
psd1=spectrum(x,512);              
pause   % Press a key to see the power in the signal.
p
pause   % Press a key to see the power spectrum.
specplot(psd1,fs)