June 2009
Intermediate to advanced
1100 pages
42h 22m
English
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23
The z-transform
In Chapters 20–22, we studied the Laplace transform for continuous-time signals (input functions). The z-transform is the finite or discrete-time version of the Laplace transform. This transform is useful for solving initial-value problems whose continuous analogs are treated by Laplace transform. It has many properties in common with the Laplace transform. We know that continuous-time systems are described by differential equations whereas discrete-time systems are described by difference equations. So we use z-transform to solve difference equations that are approximations to the differential equations of the initial-value problems treated by Laplace transform. So, we shall consider discrete-time signals f [n] (also denoted ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.