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Tool for analyzing finite wordlength effects in fixed-point digital filter implementations
, Agathoklis P., El-Guibaly F.
Published in Publ by IEEE, Piscataway, NJ, United States
Pages: 116 - 119
In this paper, we present a software tool that helps the designer to analyze finite wordlength effects in digital filter implementations. The software tool is implemented in the MATLAB environment. For a given discrete transfer function, the various implementation structures can be analyzed in terms of existence of overflow oscillations, roundoff error gain and coefficient sensitivity. The main features of the package are described and applied to narrow-band IIR filters. These examples demonstrate the usefulness of the software package in exploring the performance of different structures due to finite wordlength implementations of digital filters.
About the journal
JournalData powered by TypesetProceedings of IEEE Pacific Rim Conference on Communications Computers and Signal Processing
PublisherData powered by TypesetPubl by IEEE, Piscataway, NJ, United States
Open AccessNo