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# HW11 - p 403 Problem 5.21(c,h,j Question 5 p 403 Problem...

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ECE 301, Homework #11, due date: 12/4/2008 http://www.ece.purdue.edu/ chihw/ECE301 08F.html Question 1: [Basic] Write down the synthesis and analysis formula of DT FT. Question 2: [Basic] y [ n ] = cos( 3 2 πn ). Plot the DT FT Y ( e ). Question 3: [Basic] A DT LTI system has frequency response H ( e ) = cos(2 ω + π ). Plot H ( e ). Is it a loss-pass ﬁlter, band-pass ﬁlter, or a high-pass ﬁlter? Question 4:
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Unformatted text preview: p. 403, Problem 5.21(c,h,j) Question 5: p. 403, Problem 5.22(a,b,c). Question 6: p. 403, Problem 5.23. Do (a,c,d,f). (Hint: You should not need to compute X ( ω ). Just use various properties discussed in Table 5.1.) Question 7: p. 404, Problem 5.24(b,c,e). Only need to solve Conditions 4, 5, and 6. Question 8: p. 406, Problem 5.27(a-ii) and (b-ii)....
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