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Unformatted text preview: n ejn U [ n1]. Solve the following questions in order. 1. If the input is x [ n ] = [ n1], what is the output y [ n ]? (Hint: Use the timeinvariance property.) 2. If the the input is x [ n ] = U [ n ]U [ n2], what is the output y [ n ]? (Hint: First plot the signal, and see what x [ n ] looks like. Then use the linearity of the system and the result of the previous subquestion.) Question 7: [Advanced] p. 62, Problem 1.30(a,b,c,e). Question 8: [Advanced] p. 62, Problem 1.30(f,g,j,n). Question 9: [Basic] p. 62, Problem 1.31. Question 10: [Advanced] Solve p. 69, Problem 1.43(a). Take a look at Problem 1.43(b) but no need to turn it in. For the later part of this semester, we will introduce new techniques that can solve Problem 1.43(b) Question 11: [Optional] There is no need to turn in this question. p. 68, Problem 1.42....
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 Fall '06
 V."Ragu"Balakrishnan

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