Consider a complex sequence x[n] = x r [n] + jx i [n], where x r [n]
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Consider a complex sequence x[n] = xr[n] + jxi[n], where xr[n] and xi[n] are the real part and imaginary part, respectively. The z-transform X(z) of the sequence x[n] is zero on the bottom half of the unit circle; i.e., X(ej?) = 0 for ? ? ?
Determine the real and imaginary parts of X(ej?).
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Related Book For
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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