Question: 4. A continuous time system, described by yit] = 10 cos (100m + ru'4}, is sampled at a rate 2000 Hz. {a} Write the mathematical

4. A continuous time system, described by yit] = 10 cos (100m + ru'4}, is sampled at a rate 2000 Hz. {a} Write the mathematical expression that describes the discrete time {sampled} signal. lb) Calculate the value of the discrete signal for n = 0 and n = 4. {cl Does the sampling rate meet the Nyquist condition? Justify your

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