EC > GATE 2019 > Z-transform
Let H(z) be the z-transform of a real-valued discrete-time signal h[n]. If P(z)=H(z)H(1/z) has a zero at z=1/2 + 1/2j and P(z) has a total of four zeros, which one of the following plots represents all the zeros correctly?
Correct : d
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