Question: Let Z (t) be a zero- mean, stationary, narrowband process whose I and Q components are X (t) and Y (t), respectively. Show that the

Let Z (t) be a zero- mean, stationary, narrowband process whose I and Q components are X (t) and Y (t), respectively. Show that the complex envelope, GZ (t) = X (t) + jY (t), satisfies E [GZ (t) GZ (t + τ)] = 0.

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