Explicit formula for filter function of maximally flat nonrecursive digital filters
- 20 November 1980
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 16 (24) , 905-906
- https://doi.org/10.1049/el:19800644
Abstract
A general formula for the filter function of maximally flat f.i.r. digital filters using modified Krawtchouk polynomials is presented. This formula permits a direct calculation of the filter weights. It is especially advantageous for either high or low passband/stopband width ratios.Keywords
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