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Unformatted text preview: [Basic] Continue from the previous questions Suppose we know h ( t ) = x ( t ), and z ( t ) = h ( t ) * x ( t ). Find out the Fourier transform of z ( t ). Question 10: [Basic] Suppose x 1 ( t ) = ( t-t ) and x 2 ( t ) = U ( t + 2)-U ( t-2). Find out and plot x 3 ( t ) = x 1 ( t ) * x 2 ( t ) when t = 1. If t changes from 1 to 5, how will your x 3 ( t ) change? Question 11: [Basic] p. 338, Problem 4.21(b,g,i). Question 12: [Basic] p. 338, Problem 4.22(b,c,d). Question 13: [Basic] p. 339, Problem 4.23. Question 14: [Advanced] p. 341, Problem 4.25. (a,b,c) Question 15: [Advanced] p. 341, Problem 4.25. (e) Do (e) by the Parsevals relationship. Evaluate 1 2 R - X ( ) e j 2 d . Hint: View it as 1 2 R - X ( ) e jt d with t = 2, which is the inverse Fourier transform of X ( ) evaluated at t = 2....
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This note was uploaded on 02/05/2012 for the course ECE 301 taught by Professor V."ragu"balakrishnan during the Fall '06 term at Purdue University-West Lafayette.
- Fall '06