Title :
On the effects of zero-pole pairs and individual zeros and poles on discrete-time transfer functions
Author :
Biscainho, Luiz W P ; Diniz, Paulo S R
Author_Institution :
COPPE, Univ. Federal do Rio de Janeiro, Brazil
Abstract :
This work presents analytical expressions as well as related curves to determine the maximum magnitude and phase deviations caused by a zero-pole pair, an individual pole or an individual zero on a discrete-time transfer function. The main motivation is to provide a clear link between the position of zeros and poles, considering their magnitudes and phases, and the effects of discarding them from a given transfer function, since evaluating these effects is crucial to attain the order reduction of physical system models
Keywords :
digital filters; discrete time systems; poles and zeros; transfer functions; ARMA process; discrete-time transfer functions; fixed linear digital filters; individual poles; individual zeros; maximum magnitude deviations; maximum phase deviations; order reduction; physical system models; zero-pole pairs; Digital filters; Frequency response; Liquid crystal on silicon; Numerical models; Poles and zeros; Testing; Transfer functions; Writing;
Conference_Titel :
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location :
Geneva
Print_ISBN :
0-7803-5482-6
DOI :
10.1109/ISCAS.2000.857105
