4. Given a signal as follows, compute the fundamental frequency, spectrum and bandwidth. Also calculate the...

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4. Given a signal as follows, compute the fundamental frequency, spectrum and bandwidth. Also calculate the channel capacity using Shanon criteria when SNR(db) = 250dB. s(t) = 5 sin(100nt) + sin(300nt) + sin(600nt) 5. Explain how the data rate over a channel can be increased without increasing the 4. Given a signal as follows, compute the fundamental frequency, spectrum and bandwidth. Also calculate the channel capacity using Shanon criteria when SNR(db) = 250dB. s(t) = 5 sin(100nt) + sin(300nt) + sin(600nt) 5. Explain how the data rate over a channel can be increased without increasing the