2. Consider the coherent demodulator for DSB-SC AM when the receiver has a phase mismatch

where Nz(t) is our complex Gaussian noise process, the phase error is e = ô€€€ ^, and

Yz(t) = Acm(t)ej + Nz(t)

(a) Assume e is constant and derive an expression for the output ^m(t).

(b) Determine the SNR as a function of e.

(c) Determine the average SNR if e is uniformly distributed

where Nz(t) is our complex Gaussian noise process, the phase error is e = ô€€€ ^, and

Yz(t) = Acm(t)ej + Nz(t)

(a) Assume e is constant and derive an expression for the output ^m(t).

(b) Determine the SNR as a function of e.

(c) Determine the average SNR if e is uniformly distributed

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