Title :
Finite word length effect and stability of multidimensional digital filters
Author :
Swamy, M.N.S. ; Roytman, L.M.
Abstract :
In this paper, the effect of multiplier quantization on unstable transition in n-dimensional filters is studied using a qualitative model. This model is used to determine a priori, for a worst-case design, the finite word length of the multipliers sufficient to retain Stability.
Keywords :
Digital filters; Hardware; Multidimensional systems; Negative feedback; Negative feedback loops; Performance gain; Polynomials; Quantization; Stability criteria; Transfer functions;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1981.12175