midterm1_sample - www ECE 342 Communication Theory Fall...

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ECE 342 Communication Theory Fall 2005, Midterm 1 Prof. Tiffany J Li www: http://www.eecs.lehigh.edu/ jingli/teach email: [email protected] Given: Wednesday Sept 28 5:35-6:55pm In class, closed book, 1 letter-size sheet of notes. Disclaimer : By signing below, I testify that the work in the turned pages are my inde- pendent work. I did not discuss the problems with other students, nor did I copy from them. Name: Date: Signature: Problem 1 10 points Problem 2 20 points Problem 3 20 points Problem 4 10 points Problem 5 20 bonus Problem 6 20 points Total 100 points
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1. (10 points) Determine whether the following statements are true or false. If false, pro- vide a correct statement or a justification. (a) ( )Any signal that is a function of time has a frequency-domain representation that can be obtained using Fourier Transform. (b) ( ) The amplitude spectrum (obtained by the Fourier Transform) of a signal is even symmetric while the phase spectrum is odd symmetric. (c) (
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This note was uploaded on 08/06/2008 for the course ECE 342 taught by Professor Li during the Fall '05 term at Lehigh University .

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midterm1_sample - www ECE 342 Communication Theory Fall...

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