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0
votes
1
answer
103
views
Find the Fourier transform of $g(k)$ from $G(z)$ for frequency $=1/2$
$$G(z)=\displaystyle \frac{\frac{1}{z}}{1+\frac{5}{6z}+\frac{1}{6}z^{-2}}$$
I found:
$$g(k)=\displaystyle \left(\frac{-1}{3}\right)^k - \left(\frac{-1}{2}\right)^k$$
I don't understand how I can fin …
3
votes
3
answers
8k
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Finding Fourier transform of a discrete signal from its Z-transform
Is it possible to find the Fourier transform of a discrete signal if you know its $\mathcal{Z}$-transform of?