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Approximation of fir digital filters by bilinear transformation
Author(s) -
Sallai Gy.
Publication year - 1979
Publication title -
international journal of circuit theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.364
H-Index - 52
eISSN - 1097-007X
pISSN - 0098-9886
DOI - 10.1002/cta.4490070213
Subject(s) - bilinear transform , finite impulse response , bilinear interpolation , digital filter , mathematics , infinite impulse response , quadrature (astronomy) , transformation (genetics) , linear filter , control theory (sociology) , filter (signal processing) , algorithm , computer science , electronic engineering , engineering , statistics , biochemistry , chemistry , control (management) , artificial intelligence , computer vision , gene
The approximation of the finite‐impulse‐response (FIR) digital filters using the bilinear transformation of a restricted class of the rational functions is considered. The reference rational functions are constructed for maximally flat selective and quadrature filters. The proposed method can be directly used for both even and odd degree filters, and yields simple explicit expressions for the filter coefficients.