Abstract
In this chapter we learn basic information concerning discrete-time linear time-invariant (LTI) systems. We become familiar with input–output signal relation of such systems, their transfer function and frequency response. We distinguish magnitude and phase response. We learn about the transfer function zeros and poles placement design method of digital LTI systems as well as obtaining them from analog filters using the bilinear transformation method. Practical design examples of digital Butterworth, Chebyshev, and Cauer (elliptic) filters are given. In this chapter we concentrate on the design of digital infinite impulse response (IIR) filters—the finite impulse response (FIR) ones are discussed in the next chapter.
Mothers and Fathers, Sisters and Brothers. It is a short story about Johnny Digital, a successor of Bartholomew Analog.
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14 January 2022
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Zieliński, T.P. (2021). IIR Digital Filters. In: Starting Digital Signal Processing in Telecommunication Engineering. Textbooks in Telecommunication Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-49256-4_8
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DOI: https://doi.org/10.1007/978-3-030-49256-4_8
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