Q13 — Signal Processing
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Q13
Signal Processing
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What is the
z
-transform of the function
f
[
k
]
=
−
(
1
2
)
k
f
[
k
]
=
−
(
1
2
)
k
?
A.
F
(
z
)
=
1
−
1
2
z
−
1
F
(
z
)
=
1
−
1
2
z
−
1
B.
F
(
z
)
=
−
1
1
−
1
2
z
−1
F
(
z
)
=
−
1
1
−
1
2
z
−1
C.
F
(
z
)
=
−
1
1
+
1
2
z
−1
F
(
z
)
=
−
1
1
+
1
2
z
−1
D.
F
(
z
)
=
1
+
1
2
z
−
1
F
(
z
)
=
1
+
1
2
z
−
1
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