1.

Consider the following system function of a discrete-time LTI system:\(H\left( z \right) = \frac{{{z^{ - 1}}{a^*}}}{{1 - a{z^{ - 1}}}}\)Where a* is the complex conjugate of a. The frequency response of such a system is

A. aperiodic; depends on frequency ω
B. aperiodic; does not depend on frequency ω
C. periodic; depends on frequency ω
D. periodic; does not depend on frequency ω
Answer» D. periodic; does not depend on frequency ω


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