December 2025
Intermediate to advanced
480 pages
21h 45m
English
Content preview from Practical Signals Theory with MATLAB Applications, 2nd Edition
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Appendix DThe Illustrated z-Transform
In the pages that follow, a series of 
-transform pairs are presented, each showing a discrete function 
on the left and the corresponding pole-zero plot for 
on the right, where:
Each of the 
may be considered as the impulse response of a discrete linear time-invariant (LTI) system. In each pole-zero plot, poles are shown with a X while zeros are plotted with a O. The region of convergence shown shaded in each pole-zero plot is generally the entire -plane outside of a circle (centered on the origin) that encompasses all the poles.
The inverse -transform 
is only generally found from the pole-zero plot of , as constant values or gain factors are not visible ...
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