Title :
On the synthesis of 2-D state-space digital filters with minimum roundoff noise
Author :
Lu, W.-S. ; Antoniou, A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
fDate :
11/1/1990 12:00:00 AM
Abstract :
Some results reported recently by T. Hinamoto, T. Hamanaka, and S. Maekawa (see ibid., vol.CAS-35, no.8, p.1037-42, 1988) concerning two-dimensional state-space digital filters with minimum roundoff noise are discussed. It is shown that the Roesser realization used in this work is suboptimal, and that another Roesser realization can be obtained that has approximately the same roundoff noise as the corresponding Fornasini-Marchesini realization. In effect, the claim made about the possible reduction of roundoff noise by using the method of T. Hinamoto et al. remains unsubstantiated
Keywords :
filtering and prediction theory; roundoff errors; state-space methods; two-dimensional digital filters; 2D filters; Fornasini-Marchesini realization; Roesser realization; minimum roundoff noise; state-space digital filters; Circuits and systems; Costs; Digital filters; Distributed algorithms; Equations; Hardware; Neurons; Noise reduction; Transfer functions; Very large scale integration;
Journal_Title :
Circuits and Systems, IEEE Transactions on
