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Unformatted text preview: of this particular underlying signal x ( t ), we claim that we can sample it at ω s = ω 2 instead and still be able to reconstruct x ( t ) perfectly provided we follow the system described in Figure p7.26(b). Explain why we can still have perfect reconstruction in this particular case by plotting the frequency spectrum X p ( ω ) of the impulse sampling x p ( t ). What are the values of ω a and ω b ? Question 5: [Advanced] p. 565, Problem 7.27. Question 6: [Basic] p. 566, Problem 7.29. Question 7: [Advanced] p. 567, Problem 7.31. Question 8: Do the following task. (The link is in the next page.) http://cobweb.ecn.purdue.edu/ ∼ chihw/11ECE301F/com/sampling.html...
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 Fall '06
 V."Ragu"Balakrishnan
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