triquent
Full Member level 3
frequency domain plot
For signal y=cos(2*pi*f1*t)+cos(2*pi*f2*t)+cos(2*pi*f3*t), f1=8Hz, f2=32hz, f3=128hz, how to plot the signal in frequency domain using MATLAB? I know how to plot it in time domain? but for frequency domain, should I just plot the 6 one samples at the corresponding frequency?
For signal y=cos(2*pi*f1*t)+cos(2*pi*f2*t)+cos(2*pi*f3*t), f1=8Hz, f2=32hz, f3=128hz, how to plot the signal in frequency domain using MATLAB? I know how to plot it in time domain? but for frequency domain, should I just plot the 6 one samples at the corresponding frequency?