Title :
Floating-point roundoff noise analysis of 2-D state-space digital filters
Author :
Kanellakis, A. ; Agathoklis, P.
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
fDate :
30 May-2 Jun 1994
Abstract :
In this paper the analysis of roundoff noise in floating point state-space realizations of 2-D digital filters is considered. The variance of the roundoff noise at the output of a 2-D digital filter is derived. It is shown that this variance is proportional to the input signal variance and depends on the order of the system, the entries of the state matrices and the diagonal elements of the covariance and noise matrices
Keywords :
Additive noise; Covariance matrix; Digital filters; Fixed-point arithmetic; Floating-point arithmetic; Marine vehicles; Roundoff errors; Signal to noise ratio; Transfer functions; Two dimensional displays;
Conference_Titel :
Circuits and Systems, 1994. ISCAS '94., 1994 IEEE International Symposium on
Conference_Location :
London
Print_ISBN :
0-7803-1915-X
DOI :
10.1109/ISCAS.1994.409061
