DocumentCode
786238
Title
Two-dimensional digital filters without overflow oscillations and instability due to finite word length
Author
Tzafestas, Spyros G. ; Kanellakis, A. ; Theodorou, Nicolas J.
Author_Institution
Dept. of Electr. Eng., Nat. Tech. Univ., of Athens, Greece
Volume
40
Issue
9
fYear
1992
fDate
9/1/1992 12:00:00 AM
Firstpage
2311
Lastpage
2317
Abstract
New criteria for the absence of finite word-length effects, such as overflow oscillations and instability, in two-dimensional digital filters are presented. The criteria are formulated using the state-space representations and are based on results concerning the 2D Lyapunov equation. Several examples illustrate the theoretical results
Keywords
Lyapunov methods; filtering and prediction theory; stability; state-space methods; two-dimensional digital filters; 2D Lyapunov equation; 2D digital filters; criteria; finite word-length effects; instability; overflow oscillations; state-space representations; two-dimensional digital filters; Arithmetic; Digital filters; Eigenvalues and eigenfunctions; Finite wordlength effects; Helium; Limit-cycles; Nonlinear equations; Nonlinear filters; Nonlinear systems; Sufficient conditions;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.157230
Filename
157230
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