2025-L06 - ECE-2025 Spring-2009 General Info Help Sessions...

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ECE-2025 Spring-2009 Lecture 6 Fourier Series Analysis 26-Jan-2009 eneral Info General Info ± elp Sessions: Mon and Tues 6 at 6pm Help Sessions: Mon and Tues 6 at 6pm ± Office Hours: Visit any Prof or TA ± T-square: square: OFFICIAL ANNOUNCEMENTS & BLOGS ± Quiz #1 on 6 Quiz #1 on 6-Feb Feb ± Coverage: HW #1, #2, #3 and #4 ore Problems (w/ solutions) are on the SP irst CDROM web site ± More Problems (w/ solutions) are on the SP-First CDROM web site ± MATLAB and Lab context will be used for Quiz questions ± Prob Set #3 due THIS Week ± Solution to Prob Set #4 will be posted on 5-Feb at 3pm 1/24/2009 EE-2025 Spring-2009 jMc 2 ab Info Lab Info ± ote: pecgram now called pectrogram Note: specgram is now called spectrogram ± Peer Peer Evaluations Evaluations ± rite Comments Write Comments ± No comments Î no points ± Each student must submit individual Peer Eval eammates elp each other ± Teammates Î Help each other ± Switch skills (e.g., MATLAB) from Lab to Lab ± Lab #3: bring headphones ± Lots to read about chirps 1/24/2009 EE-2025 Spring-2009 jMc 3 ± Lab #2 report due at the beginning of lab HIRP SPECTROGRAM CHIRP SPECTROGRAM + + = t t A t 2 cos( ency ϕ β α ψ + + = t t t 2 ) ( ) ( ) ( + + = t t A t x 2 ) cos( ) ( Frequ e + + = t t t 2 ) ( ω + = = t t t t d 2 ) ( ) ( 1/24/2009 EE-2025 Spring-2006 jMc 4 dt i Time
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HIRP WAVEFORM CHIRP WAVEFORM 1/24/2009 EE-2025 Spring-2006 jMc 5 SINE-WAVE FREQUENCY ODULATION (FM) MODULATION (FM) n( s( ) ) sin( cos( ) ( ϕ ψ β α + + = t A t x s( = = d ) cos( ) ( ) ( αβ ω + t t t dt i quency Look at CD-ROM Demos in Ch 3 Fre q 1/24/2009 EE-2025 Spring-2006 jMc 6 Lecture Time EADING ASSIGNMENTS READING ASSIGNMENTS ±
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This note was uploaded on 01/27/2011 for the course ECE 2025 taught by Professor Juang during the Spring '08 term at Georgia Tech.

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2025-L06 - ECE-2025 Spring-2009 General Info Help Sessions...

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