2025-L04

# 2025-L04 - General Info ECE-2025 Fall-2008 t-square has all...

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ECE-2025 Fall-2008 Lecture 4 Spectrum Representation 29-Aug-08 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 2 General Info t-square has all OFFICIAL OFFICIAL messages Lectures are being posted PDF format (4 per page) HW, Lab and MATLAB Help: Look at office hour matrix; Klaus-2440 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 3 Lab Info Lab #1 Report Turn in at beginning of your lab time Ask your grading TA about his/her format Lab #2 is posted No classes next Monday, 1-Sept, Labor Day Monday sections only start Lab #2 on 8-Sept, and turn in Lab #1 that day Finish Instructor Verification in Lab Come to lab PREPARED Computer Problems? [email protected] 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 4 Homework Info Written HW #2 due NEXT WEEK In Recitation, at the beginning Monday Recitations turn in HW #2 on Wed, 3- Sept (in Lab) Format your HW (see guidelines) HW #1 Solutions posted this weekend HW #3 out soon

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08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 5 PRINTING QUOTA ECE Labs have printers, but... Limit your printing to essentials Your account has a quota 10 pages/week 2000 students 3 courses/student 15 weeks/semester 900,000 pages ! 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 6 READING ASSIGNMENTS This Lecture: Chapter 3, Section 3-1 Other Reading: Appendix A: Complex Numbers Next Lecture: Ch 3, Sects 3-2, 3-3, 3-7 & 3-8 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ 7 LECTURE OBJECTIVES Sinusoids with DIFFERENT Frequencies SYNTHESIZE by Adding Sinusoids SPECTRUM Representation Graphical Form shows DIFFERENT DIFFERENT freqs = + = N k k k k t f A t x 1 ) 2 cos( ) ( ϕ π 08/21/2008 ECE-2025 Fall-2008 jMc-BHJ
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