2025-L10 - ECE-2025 Fall-2008 Lecture 10 FIR Filtering...

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Unformatted text preview: ECE-2025 Fall-2008 Lecture 10 FIR Filtering Intro 26-Sept-08 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 2 Lab & HW Info ¡ Lab #6 will start on Tue, 30-Sept ¡ Lab #5 ¡ Formal Lab Report: will be worth 150 pts ¡ HW #6 due next week ¡ Quiz #1 (solutions were posted) ¡ Resolve grading issues NO LATER than Friday, October 3 th ¡ After that, no scores will be changed ¡ Check t-square for graders of individual problem 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 3 READING ASSIGNMENTS ¡ This Lecture: ¡ Chapter 5, Sects. 5-1, 5-2 and 5-3 (partial) ¡ Other Reading: ¡ Recitation: Ch. 5, Sects 5-4, 5-6, 5-7 and 5-8 ¡ CONVOLUTION ¡ Next Lecture: Ch 5, Sects. 5-3, 5-5 and 5-6 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 4 LECTURE OBJECTIVES ¡ INTRODUCE FILTERING IDEA; example: ¡ Weighted Average ¡ Running Average ¡ FINITE IMPULSE RESPONSE FILTERS ¡ FIR FIR Filters ¡ Show how to compute the output y[n] from the input signal, x[n] 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 5 DIGITAL FILTERING ¡ CONCENTRATE on the COMPUTER ¡ PROCESSING ALGORITHMS ¡ SOFTWARE (MATLAB) ¡ HARDWARE: DSP chips, VLSI ¡ DSP : DIGITAL SIGNAL PROCESSING COMPUTER D-to-A A-to-D x ( t ) y ( t ) y [ n ] x [ n ] 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 6 The TMS32010, 1983 First PC plug-in board from Atlanta Signal Processors Inc. 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 7 Rockland Digital Filter, 1971 For the price of a small house, you could have one of these. 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 8 Digital Cell Phone (ca. 2000) Now it plays video 09/30/2008 ECE-2025 Fall-2008 jMc-BHJ 9 DISCRETE-TIME SYSTEM ¡ OPERATE on x[n] to get y[n] ¡ WANT a GENERAL CLASS of SYSTEMS ¡ ANALYZE the SYSTEM ¡ TOOLS: TIME-DOMAIN & FREQUENCY- DOMAIN ¡ SYNTHESIZE the SYSTEM COMPUTER...
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This note was uploaded on 09/17/2009 for the course ECE 2025 taught by Professor Juang during the Spring '08 term at Georgia Tech.

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2025-L10 - ECE-2025 Fall-2008 Lecture 10 FIR Filtering...

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