Kq An» 



Figure 14 - An Example of a Modulated Carrier Wave 



Modulating 

 Signal 



a: 5 



Carrier 



Lower 

 Side Band 



T 



Upper 

 Side Band 



T 

 1_ 



«c-Wm 



Figure 15 — The Spectrum of the Relative Amplitudes of the Components of a Modulated 

 Wave as a Function of the Frequency of Those Components 



47 



