Consider a signal x(t) = 4cos(2t) defined for < t < . For the following
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Consider a signal x(t) = 4cos(2πt) defined for − ∞ < t < ∞. For the following values of the sampling period Ts generate a discretetime signal x(n) = x(nTs) = x(t)∣t=nTs.
(i) Ts = 0.1, (ii) Ts = 0.5, (iii) Ts = 1
Determine for which of the given values of Ts the discretetime signal has lost the information in the continuous-time signal. Use MATLAB to plot x(t) (use Ts = 10−4 and the plot function) and the resulting discrete-time signals (use the stemfunction). Superimpose the analog and the discrete-time signals for 0 ≤ t ≤ 3; use subplot to plot the four figures as one figure. You also need to figure out how to label the different axes and how to have the same scales and units.
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As we will see later the sampling period of xt with a frequency of max 2f max 2 should satisfy the ...View the full answer
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Alishan Ahmed
I have earned my bachelor's degree in Civil Engineering from G. B. Pant University of Agriculture and Technology, Pantnagar, India. During my undergraduation, I used to give private tuitions for Mathematics and Physics to high school students. Ninety percent of the students passed their examinations with distinction in these courses.
I have earned my master's degree with a major in Geotechnical Engineering and a minor in Structural Engineering from the Indian Institute of Science, Bangalore, India. I was a teaching assistant for basic courses in soil mechanics, solid mechanics, and engineering physics. As a teaching assistant, my role was to take doubt sessions and provide assistance to undergraduate students in solving problems pertaining to these courses. Further, I used to take their laboratory classes and prepare their assignments. Moreover, I also used to check and evaluate their assignments and examination copies.
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