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Unformatted text preview: ECE220 Signals and Information Spring 2008 Homework 3: Due Monday, Feb 18, at 10:08am Drop your homework in the collection box marked ECE220 Spring 2008, homework , located on the second floor of Phillips at the south entrance to 219 Phillips. Print your name, NetId, and lab section in the top right corner on all pages. NOTE: This homework is based on lectures 710 and Chapters 5, 6 and 7 in the textbook. Problem 1 The textbook uses [ n ] to denote the discrete impulse signal. The delayed by n versions of the impulse is then the signal [ n n ]. Write the finite duration signal x = [0 , 1 , , , 1] in terms of [ n ] and its delayed versions. Write the signal y [ n ] = [ n 3] * x [ n ] * [ n 2] in terms of [ n ] and its delayed versions. Problem 2 Consider a (causal) LTI FIR filter with the impulse response h [ n ] = [ n 1] 2 [ n 2] [ n 3]. (a) Write the difference equation (see equation 5.1 in the textbook for the definition of a dif ference equation) for the FIR filter.ference equation) for the FIR filter....
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This note was uploaded on 06/25/2008 for the course ECE 2200 taught by Professor Johnson during the Spring '05 term at Cornell University (Engineering School).
 Spring '05
 JOHNSON

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