# Exam 1 A Solution Figures 1 b r(t)=10cos(2(10/2 10 8 6 4...

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Exam 1 A Solution Figures 1 b) 4 c) -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 0.15 0.2 -10 -8 -6 -4 -2 0 2 4 6 8 10 t r(t) r(t)=10cos(2* *(10)- /2) -3 -2 -1 0 1 2 3 x 10 4 0 0.5 1 1.5 2 Radian Frequency ( ) Magnitude -3 -2 -1 0 1 2 3 x 10 4 -4 -2 0 2 4 Radian Frequency ( ) Phase

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8 c) Exam 1 B Solution Figures 1 b) -30 -20 -10 0 10 20 30 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 Spectral Coefficient Spectrum of y(t) -0.1 -0.08 -0.06 -0.04 -0.02 0 0.02 0.04 0.06 0.08 0.1 -20 -15 -10 -5 0 5 10 15 20 t r(t) r(t)=20cos(2* *(40)- /2)
4 c) 8 c) -3000 -2000 -1000 0 1000 2000 3000 0 0.5 1 1.5 2 Radian Frequency ( ) Magnitude -3000 -2000 -1000 0 1000 2000 3000 -1 -0.5 0 0.5 1 Radian Frequency ( ) Phase -30 -20 -10 0 10 20 30 -0.8

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• Summer '15
• Kennethcooper
• Angular frequency, 1 0 1 Radian, 2 0 1 Radian, 1000 0 1000 Radian, 2000 0 2000 Radian

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