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Electronics Communication/Signal Processing/Signal Transformation/Z Transform
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Z Transform Properties
Time domain
Z-domain
ROC
Notation
ROC:
Linearity
At least the intersection of ROC1 and ROC2
Time shifting
ROC, except if and if
Scaling in the z-domain
Time reversal
Conjugation
ROC
Real part
ROC
Imaginary part
ROC
Differentiation
ROC
Convolution
At least the intersection of ROC1 and ROC2
Correlation
At least the intersection of ROC of X1(z) and X2()
Multiplication
At least
Parseval's relation
Initial value theorem
, If causal
Final value theorem
, Only if poles of are inside unit circle
Z Transform Table
Here:
for , for
for , otherwise
Signal, Z-transform, ROC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20