Download DIGITAL COMMUNICATION RECEIVER DESIGN C. RICHARD
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Johnson/Introducing Receiver Design/ Apr-May 06: DAY 1 Sub-Nyquist Sampling (cont’d) • Example: – Consider fs = fc /2 uW(f)u 1 2B B f (a) uS(f)u 1/2 2fc2B 2fc 2fc1B fc2B fc fc1B f (b) uY(f)u 23fc/2 2fc 2fc/2 0 f fc/2 (= fc2fs) fc 3fc/2 (= fc1fs) – Works for fs = fc /n – What if fs not exactly fc /n? 28