HW4_Fall_2010 - 4 Use the best possible symmetry to compute...

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Networks and Systems EEL 3123, Section 1 HOMEWORK 4 – Assigned Oct 21, 2010 Due in class on Oct 28, 2010 Covers Chapter 16. If there are doubts, you are welcome to see me and discuss your problems. Your notes and the textbook should be ample material to solve these problems. 1. Write the Fourier series of a full-wave rectified cosine function. The output of a full-wave rectifier is the absolute value of its input. 2. Determine the Fourier series of a periodic triangular waveform that goes through the origin, has a time period of /2 and swings between an amplitude of -4 and
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Unformatted text preview: +4. Use the best possible symmetry to compute efficiently. 3. Compute an expression for the exponential form of the Fourier series for a square wave with time period T=10 and amplitude swings between -6 and +6. Place the y-axis so that the function is even and place the x-axis such that the average value of the wave is zero. Use the expression in Matlab to plot the Fourier series expression for the square wave up to n=200. Discuss how the approximation relates to the actual signal. 4. Problem 16.34 from your textbook 5. Problem 16.38 from your textbook...
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