2. Use the tables to find the inverse z transforms of the following e. 2z 2z-1 f. 3z 3z +1 g. Z N

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Chapter2: Second-order Linear Odes
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2.
Use the tables to find the inverse z transforms of the following
e.
2z
2z-1
f.
3z
3z +1
g.
Z
z-e³
Transcribed Image Text:2. Use the tables to find the inverse z transforms of the following e. 2z 2z-1 f. 3z 3z +1 g. Z z-e³
Table 2: Some
z-
common
transform pairs
Signal, x(n)
8(n)
u(n)
a" u(n)
na"u(n)
-a"u(-n-1)
-na"u(-n-1)
(coswon)u(n)
(sin won)u(n)
(a" coswon)u(n)
(a" sin won)u(n)
z-Transform, X(z)
1
1
1-z-1
1
1-az-1
az-1
(1-az-1)²
1
1-azi
az-1
(1-az-1)2
1-z-1,
1-2z-1 coswo+z-2
COS WO
z-1 sin wo
1-2z-1 coswo+z-2
1-az-¹ coswo
1-2az-1 coswo+a²z-²
az-1 sin wo
1-2az-1 coswo+a²z-²
ROC
All z
z > 1
|z| > |a|
|z| > |a|
|z| < |a|
|z| < |a|
|z|>1
z > 1
|z| > |a|
|z| > |a|
Transcribed Image Text:Table 2: Some z- common transform pairs Signal, x(n) 8(n) u(n) a" u(n) na"u(n) -a"u(-n-1) -na"u(-n-1) (coswon)u(n) (sin won)u(n) (a" coswon)u(n) (a" sin won)u(n) z-Transform, X(z) 1 1 1-z-1 1 1-az-1 az-1 (1-az-1)² 1 1-azi az-1 (1-az-1)2 1-z-1, 1-2z-1 coswo+z-2 COS WO z-1 sin wo 1-2z-1 coswo+z-2 1-az-¹ coswo 1-2az-1 coswo+a²z-² az-1 sin wo 1-2az-1 coswo+a²z-² ROC All z z > 1 |z| > |a| |z| > |a| |z| < |a| |z| < |a| |z|>1 z > 1 |z| > |a| |z| > |a|
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