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== Demodulation of Complex Exponential AM ==
 
== Demodulation of Complex Exponential AM ==
 +
[[Image:de_ECE301Fall2008mboutin.jpg]]
  
 
== Sinusoidal AM ==
 
== Sinusoidal AM ==
[[Image:de_ECE301Fall2008mboutin.jpg]]
 

Revision as of 19:34, 17 November 2008

the concept of modulation

A ECE301Fall2008mboutin.jpg Why?

•More efficient to transmit E&M signals at higher frequencies

•Transmitting multiple signals through the same medium using different carriers

•Transmitting through “channels” with limited passbands

•Others...

How?

•Manymethods

•Focus here for the most part on Amplitude Modulation (AM)

B ECE301Fall2008mboutin.jpg

Amplitude Modulatioin of a Complex Exponential Carrier

C ECE301Fall2008mboutin.jpg

Demodulation of Complex Exponential AM

De ECE301Fall2008mboutin.jpg

Sinusoidal AM

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

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