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Problem 2. (7%) Consider analog pulse amplitude modulation (PAM). The message signal ad- mits the spectral shape that is
Posted: Wed Apr 27, 2022 6:04 pm
by answerhappygod
- Problem 2 7 Consider Analog Pulse Amplitude Modulation Pam The Message Signal Ad Mits The Spectral Shape That Is 1 (25.7 KiB) Viewed 21 times
Problem 2. (7%) Consider analog pulse amplitude modulation (PAM). The message signal ad- mits the spectral shape that is band-limitd to 20kHz. (a) Determine the Nyquist sampling frequency of m(t). (b) Suppose m(t) is sampled at f. = 48.6 kHz and the pulse shape is rectangular with pulse width T, = 0.8T,, where T, - 1/f, is the sampling period. Determine the bandwidth of the PAM signals(0). (c) Suppose m(t) is sampled at the minimum frequency such that perfect recovery is possible. Rectangular pulse with duration T, = T, is used. Determine the bandwidth of the PAM signal s(t). (d) State one advantage and one disadvantage of PAM over DSB-SC.