April 2016
Intermediate to advanced
516 pages
12h 44m
English
book
Digital Signal Processing with Examples in MATLAB, 2nd Edition
by Samuel D. Stearns, Donald R. Hush
Content preview from Digital Signal Processing with Examples in MATLAB, 2nd Edition
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4
Linear Systems and Transfer Functions
4.1 Continuous and Discrete Linear Systems
Digital signal processing (DSP) technology has its roots in the analysis of continuous linear systems. We saw in the previous chapter how continuous signals may be regarded as limiting forms of corresponding discrete sample vectors, and the same idea holds for continuous and discrete processing systems. Continuous linear systems7,8 are described with linear differential equations, and discrete linear systems are described with linear difference equations.
There are many reasons to keep these “continuous roots” in our thoughts as we proceed to develop the subject of DSP. In this chapter particularly, the time and frequency domains are similar for digital ...
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