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# HW7 - t = 2-| t | ﬁnd out the Fourier transformation of x...

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ECE 301, Homework #7, due date: 3/3/2010 http://cobweb.ecn.purdue.edu/ chihw/10ECE301S/10ECE301S.html Question 1: p. 257, Problem 3.27. Question 2: p. 257, Problem 3.28(a) with Fig. P3.28(b). Problem 3.28(c). Question 3: p. 258, Problem 3.30(c). Question 4: Following p. 260, Problem 3.33, we note that the impulse response of the given diﬀerent-equation system is h ( t ) = e - 4 t U ( t ). Solve Problem 3.33(a) and 3.33(b). Question 5: p. 260, Problem 3.34(b,c). Question 6: p. 260, Problem 3.37. Question 7: p. 261, Problem 3.38. Question 8: p. 261, Problem 3.39. Question 9: [Basic] For a continuous time x (

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Unformatted text preview: t ) = 2-| t | , ﬁnd out the Fourier transformation of x ( t ). (Hint: Example 4.2) Question 10: [Basic] For a continuous time x ( t ) = U ( t +2)-U ( t-2), ﬁnd out the Fourier transformation of x ( t ). (Hint: Example 4.4) Question 11: [Basic] For a continuous time x ( t ) = cos(2 πt )+sin(4 t ), ﬁnd out the Fourier transformation of x ( t ). [There is one more question on the back.] Question 12: [Basic] For a continuous time signal with X ( jω ) = U ( ω + 3)- U ( ω-3), ﬁnd out the inverse Fourier transformation of X ( jω )....
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HW7 - t = 2-| t | ﬁnd out the Fourier transformation of x...

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