This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Polytechnic University, Dept. Electrical and Computer Engineering EE3414 Multimedia Communication System I Yao Wang ___________________________________________________________________________________ Homework 1 (Fourier Series and Transforms) Reading Assignment: Oppenheim and Wilsky, Signals and Systems , Sec. 4.24.3. (Fourier series and Fourier transforms) Optional reading (review of sinusoidal signals and complex numbers): DSP first . Sec.2.2,2.3,2.5 Written Assignment (Quiz based on this homework will be on 2/3) 1. What is the magnitude, frequency, and phase of the following sinusoidal signals? a. ) 2 / 20 sin( 10 π π + t b. ) 4 / 10 cos( 10 π π + t 2. What is fundamental frequency and Fourier series coefficients of the following signal (Hint: You don’t need to calculate any integral!). Illustrate the line spectrum of the signal. ) 4 / 80 sin( 5 . ) 3 / 40 cos( 2 ) 20 sin( 10 ) ( π π π π π + + + + = t t t t s 3. Determine the Fourier series expansion (i.e. all the expansion coefficients) for the following Determine the Fourier series expansion (i....
View
Full Document
 Spring '06
 Wang
 Fourier Series, 3rd millennium, Fourier Series and Transforms

Click to edit the document details