1.

If x(n) is an imaginary sequence, then the z-transform of the real part of the sequence is?

A. \(\frac{1}{2}\)[X(z)+X*(z*)]
B. \(\frac{1}{2}\)[X(z)-X*(z*)]
C. \(\frac{1}{2}\)[X(-z)-X*(z*)]
D. \(\frac{1}{2}\)[X(-z)+X*(z*)]
Answer» B. \(\frac{1}{2}\)[X(z)-X*(z*)]


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