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Combined Effects of Overflow and Quantization in Fixed-Point Digital Filters

✍ Scribed by Tamal Bose

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
337 KB
Volume
4
Category
Article
ISSN
1051-2004

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✦ Synopsis

Bose, T., Combined Effects of Overflow and Quantization in Fixed-Point Digital Filters, Digital Signal Processing 4 (1994), 239-244.

The combined effect of two's complement overflow and quantization in digital filters is investigated. It is shown that the filter dynamics can be quite different when the two nonlinear operations are operating together rather than individually. Both the state-space and direct-form structures are considered and sufficient conditions are established for stability under the combined effect of overflow and quantization. Some properties of limit cycles are also derived.

(c) 1994 Academic Press, Inc.

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