ECE 401 Communication Systems - University of Dayton : Homepages
ECE 401 Communication Systems - University of Dayton : Homepages
ECE 401 Communication Systems - University of Dayton : Homepages
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Focus on EM Signals<br />
• Nearly all long distance modern communications<br />
uses electro-magnetic (EM) signals<br />
• EM signals may be in guided wireline channels<br />
(twisted pair, coaxial, or optic fiber) or wireless<br />
channels (free space)<br />
• Relatively easy to generate, detect, manipulate,<br />
amplifiy, etc.<br />
• Travel at or near the speed <strong>of</strong> light<br />
• Notable exception is underwater acoustic channels<br />
<strong>University</strong> <strong>of</strong> <strong>Dayton</strong> Department<br />
<strong>of</strong> Electrical and Computer<br />
Engineering