# HW4 (S 2007) - signal x[n] after the sampling. (d) The...

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ELCT 321 Digital Signal Processing Homework Assignment # 4 (Chapter 4: Sampling and Aliasing) by Dr. Yong-June Shin Assigned: February 27, 2007 Due: March 6, 2007 1. (20 Points) Consider following signal in time domain x ( t ) = 2cos(60 πt ) + 2cos(300 πt ) + 4cos(340 πt ) + 4cos(500 πt ) (a) Determine the fundamental frequency of the signal x ( t ) (b) Determine the Nyquist sampling rate such that no aliasing occurs in the sampled signal. (c) Assuming the sampling rate is 200 Hz, obtain the discrete time
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Unformatted text preview: signal x[n] after the sampling. (d) The sampled signal x [ n ] obtained above is processed by the ideal D-to-C converters with the same sampling rate (200 Hz). Obtain the representation of the continuous signal y ( t ). 2. (20 Points) Problem 4.1 in textbook on page 112. 3. (20 Points) Problem 4.6 in textbook on page 113. 4. (20 Points) Problem 4.7 in textbook on page 114. 5. (20 Points) Problem 4.15 in textbook on page 116. 1...
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## This note was uploaded on 04/28/2008 for the course EE ELCT 321 taught by Professor J.shin during the Spring '08 term at University of South Carolina Beaufort.

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