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2. (20 points) Consider the characteristics of the following digitalcommunication system. a. (6 points) A signal x(t) is used to transmit bits at 1 Mbps. Show thewaveform x(t). Remember to

label all plots completely. b. (6 points) Show the Fourier Transform X(@). c. (5 points) What bandwidth is needed in order to transfer 95% of the signalenergy? d. (3 points) If instead 20 MHz bandwidth was available, what data rate could be supported with sending 95% of the signal energy?

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