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hw1_501_Au11

# hw1_501_Au11 - ECE-501 Introduction to Analog and Digital...

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ECE-501 Introduction to Analog and Digital Communications Autumn 2011 Homework #1 Sep. 21, 2011 HOMEWORK ASSIGNMENT #1 Due Friday Sep. 30, 2011 (in class) Reading: 1. Visit the course web page. 2. Carmen notes: Schniter notes, pages 1-12; Digital Communications Overview slides 3. Text, Ch. 1; Ch. 2.1-2.5 (the subsection on Time-Bandwidth Product is optional). 4. Text, Ch. 2.6-2.7 (the sections on Paley-Wiener Criterion, pulse response of ideal LPFs, and Approximation of Ideal LPFs are optional). Problems: 1. Write the trigometric identies expressing the following products as sums (no proofs required); (a) sin( α ) sin( β ) (b) cos( α ) cos( β ) (c) sin( α ) cos( β ) 2. (Explore with Matlab). To visualize the overall processing flow for digital commuincations, execute the following, using two subroutines from the course webpage, as noted. (This text for these commands is available at the course webpage, too.) Read through the commands, view the figures, and try to answer the short questions below.

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hw1_501_Au11 - ECE-501 Introduction to Analog and Digital...

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