In Example 8.2, the sampling of a signal x(t) was accomplished by multiplying th
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Question
In Example 8.2, the sampling of a signal x(t) was accomplished by multiplying the signal by a pulse train pr (t), resulting in the sampled signal depicted in Fig. 8.4d. This procedure is known as the natural sampling. Figure P8.2-5 shows the so-called flat-top sampling of the same signal . Show that the signal x(t) can be recovered from flat-top samples if the sampling rate is no less than the Nyquist rate. Explain how you would recover x(t) from the flat-top samples. Find the expression for the sampled signal spectrum X-(w) and sketch is roughly.Explanation / Answer
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