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hw3.220.06

# hw3.220.06 - ECE 220 Multimedia Signal Processing September...

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ECE 220 Multimedia Signal Processing September 5, 2006 Fall 2006 Homework 3 Assigned: September 5, 2006 Due: Wednesday, September 13, by 4:30 pm in the 220 lock-box on the 2nd floor of Phillips Office hours: See the web page for everyone’s office hours: http://people.ece.cornell.edu/~hemami/ece220 Goals & concepts: Convolution, FIR filter definition and operation, superposition, the impulse response, linearity and time invariance. Relevant text sections: Chapter 5 but NOT 5.4 Suggested Practice Problems. NOT GRADED but suggested if you need more practice or review. 5.7, 5.9, 5.12, 5.13 From Chapter 5 (FIR Filters). Helpful problems are from the CD, under “Homework Problems with Solutions” — Convolution & FIR filters: “Output of FIR system using convolution”, “Find impulse response of an FIR Filter”, “Find output of FIR filter given coefficients” LTI Systems: “Linearity, time invariance, and causality”, “Properties of LTI Systems”, “Test for L&TI” 1. Practice with the unit step function, and the very important finite sum formula. 5.6 2. Practice with convolution and filter I/O. 5.10, and then: (c) Plot both the input cosine and output cosine as given in the table in the problem, for . (d) Which of the following impulse responses is correct for the system as described ( A is some constant)?

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hw3.220.06 - ECE 220 Multimedia Signal Processing September...

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