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Noniterative design of IIR multiple‐notch filters with improved passband magnitude response
Author(s) -
Nikolić Saša,
Krstić Ivan,
Stančić Goran
Publication year - 2018
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.2525
Subject(s) - passband , infinite impulse response , magnitude (astronomy) , band stop filter , finite impulse response , low pass filter , control theory (sociology) , cutoff , digital filter , 2d filters , impulse response , frequency response , mathematics , filter (signal processing) , physics , computer science , band pass filter , mathematical analysis , algorithm , engineering , optics , control (management) , electrical engineering , quantum mechanics , astronomy , artificial intelligence , computer vision
Summary A noniterative method for the all‐pass–based design of infinite impulse response multiple‐notch filters is proposed. This method ensures that specifications regarding positions of notch, left‐ and right‐hand cutoff frequencies, are exactly met, leading to a symmetric magnitude response about notch frequencies. Passband magnitude response can be improved by increasing the order of the corresponding all‐pass filter.