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Recent questions tagged z-transform
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GATE ECE 2014 Set 3 | Question: 45
The $z$-transform of the sequence $x[n]$ is given by $X(z)=\frac{1}{(1-2z^{-1})^{2}},$ with the region of convergence $\mid z \mid >2$. Then, $x[2]$ is _________.
Milicevic3306
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Continuous-time Signals
Mar 26, 2018
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Milicevic3306
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gate2014-ec-3
numerical-answers
continuous-time-signals
z-transform
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GATE ECE 2014 Set 2 | Question: 18
Let $x[n] = x[-n]$. Let $X(z)$ be the $z$-transform of $x[n]$. If $0.5 + j 0.25$ is a zero of $X(z)$, which one of the following must also be a zero of $x(z)$ $0.5 – j 0.25$ $1/(0.5 + j 0.25)$ $1/(0.5 – j 0.25)$ $2+j 4$
Milicevic3306
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Continuous-time Signals
Mar 26, 2018
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Milicevic3306
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35
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gate2014-ec-2
continuous-time-signals
z-transform
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