Sampling
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We can create arbitrarily many discrete signals from a single continuous signal by sampling the continuous signal regularly at different intervals. For instance, given the signal
we can create the discrete signal x[n] by making the relation t = \Delta n + s.
Depending on the values of \Delta and s, the apparent period of x[n] can vary. For each of the following relations, determine the fundamental period of x[n]. If the signal becomes constant, type "None".