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Unformatted text preview: x ( n ). Then evaluate y ( n ) when the x ( n ) = u ( n ) or x ( n ) = r ( n ). In part h, the phase response is given by n H ( ) = tan 1 p Im ( H ( )) Re ( H ( )) P In part i, since H ( ) is conjugate symmetric, you can use the expression at the bottom of page 297 to calculate y ( n ). 3. Problem 7 in chapter 9 4. Problem 10 in chapter 9 5. Find the the frequency response of a continuoustime system that has the impulse response below. Hint: Remember that if h ( t ) = h ( t ) then the frequency response of h ( t ) is e i times the frequency response of h ( t ). Shift the signal around to make the integration easier and then multiply the result by a complex exponential. A 2T T t 1...
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 Fall '08
 ZADEH

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