- % MATLAB script for Illustrartive Problem 8, Chapter 1.
- ts=0.001;
- fs=1/ts;
- t=[0:ts:10];
- x=cos(2*pi*47*t)+cos(2*pi*219*t);
- p=spower(x);
- psd=spectrum(x,1024);
- pause % Press a key to see the power in the signal.
- p
- pause % Press a key to see the power spectrum.
- specplot(psd,fs)