Part IV

Entering the s- and z-Domains

Increase your understanding of working across domains by seeing how a continous-time filter can be taken to the discrete-time domain at www.dummies.com/extras/signalsandsystems.

In this part . . .

Generalize the Fourier transform to check out the s-domain for continuous-time signals and systems and the z-domain for the discrete-time counterpart.

Let the Laplace transform help you solve differential equations with friendly algebra.

See how to avoid the convolution integral by multiplying in the s- or z-domains and then returning to the time domain.

Find out how to work across domains and between continuous and discrete signals and systems to solve practical problems.