hw04su08 - GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of ELECTRICAL and COMPUTER ENGINEERING ECE 2025 Summer 2008 Problem Set #4 Assigned: Week of 9-Jun-08 Due Date: 16/17-Jun-08 = Please check the “Announcements” often on T-square. All official course an- nouncements are posted there. ALL of the STARRED problems will have to be turned in for grading. A solution to the starred problems will be posted to the web. Some problems have solutions similar to those found on the CD-ROM. Your homework is due in recitation at the beginning of class. After the beginning of your assigned recitation time, the homework is considered late and will be given a zero. PROBLEM 4.1 *: - Ideal C-to-D Converter Ideal D-to-C Converter - - x ( t ) x [ n ] y ( t ) 6 T s = 1 /f si 6 T s = 1 /f so (a) Suppose that the input x ( t ) is given by x ( t ) = 8 + 4 cos(2 π (300) t - 3 π/ 7) + 10 cos(2 π (700) t + 2 π/ 3) + 6 cos(2 π (1000) t - 5 π/ 9) Determine the spectrum for x [ n ] for - π ˆ ω π when f si = 800 samples/sec. Make a plot for your answer, making sure to label the frequency, amplitude and phase of each spectral component. (b) Using the discrete-time spectrum from part (a), find the analog output y ( t ) when the sampling rate of the D-to-C converter is f so = 800 Hz. Express your answer the same way we expressed x ( t ) above, i.e. in terms of cosines.
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern