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Assignment 6 - 1 ECSE304 Signals and Systems 2 Winter...

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Problem Set 6 1 ECSE304 Signals and Systems 2 Winter Semester 2011 McGill University Department of Electrical and Computer Engineering Problem Set 6 Distributed: Monday, March 14, 2011 Due : Wednesday, March 23, 2011 at midnight Assignments can be worked in Groups of 2. A cover sheet, which is found at the bottom of the Assignments page in the ECSE304 webCT site, should be handed in with each assignment. Regular Problems Show all of your work for the following problems: Problem 1: An AM-SSB/SC system is applied to a signal ( ) x t whose Fourier transform ( ) X j ω is zero for M ω ω > . The carrier frequency C ω used in the system is greater than M ω . Let ( ) g t denote the output of the system, assuming that only the upper sidebands are retained. Let ( ) q t denote the output of the system, assuming that only the lower sidebands are retained. The system in the following figure is proposed for converting ( ) g t into ( ) q t . How should the parameter 0 ω in the figure be related to C ω ?
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