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Unformatted text preview: ECE-2025 Spring-2008 Lecture 6 Fourier Series Analysis 8-Sept-2008 09/05/2008 EE-2025 Fall-2008 jMc-BHJ 2 General Info Help Sessions: Tues 6 and Thurs 6pm?? (see Help Sessions: Tues 6 and Thurs 6pm?? (see announcement) announcement) Office Hours: Office Hours: Visit any Prof or TA available T-square: square: OFFICIAL ANNOUNCEMENTS & Forums Quiz #1 on 15 Quiz #1 on 15-Sept Sept Coverage: HW #1, #2, #3 and #4 More Problems (w/ solutions) are on the SP-First CDROM web site Lab #3: bring headphones Lots to read about chirps Lab #2 report due at beginning of lab Ask your grading TA about his/her format Prob Set #3 due THIS Week 09/05/2008 EE-2025 Fall-2008 jMc-BHJ 3 CHIRP SPECTROGRAM + + = + + = t t t t t A t x 2 2 ) ( ) cos( ) ( + + = + + = t t t t t A t x 2 2 ) ( ) cos( ) ( + = = t t t dt d i 2 ) ( ) ( Time Frequency 09/05/2008 EE-2025 Fall-2008 jMc-BHJ 4 CHIRP WAVEFORM 09/05/2008 EE-2025 Fall-2008 jMc-BHJ 5 SINE-WAVE FREQUENCY MODULATION (FM) Look at CD-ROM Demos in Ch 3 ) ) sin( cos( ) ( + + = t A t x ) cos( ) ( ) ( + = = t t t dt d i Time Frequency Police siren?? 09/05/2008 EE-2025 Fall-2008 jMc-BHJ 6 READING ASSIGNMENTS This Lecture: Fourier Series in Ch 3, Sects 3 Fourier Series in Ch 3, Sects 3-4, 3...
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- Spring '08
- Signal Processing