An analysis of coefficient inaccuracy for 2-D FIR direct form digital filters

Author

Siohan, Pierre

Author_Institution

Centre Commun d´´Etudes de Telediffusion & Telecommun., Cesson-Sevigne, France

Volume

37

Issue

10

fYear

1990

fDate

10/1/1990 12:00:00 AM

Firstpage

1308

Lastpage

1313

Abstract

Filter frequency errors due to coefficient quantization in direct-form realization of zero-phase two-dimensional finite impulse-response (2-D FIR) digital filters are analyzed. Applying a previously published method for 1-D FIR digital filters, the case of 2-D FIR filters with octagonal or quadrantal symmetry is considered. Based on the analysis, statistical bounds on the frequency-response errors and on the wordlength of the filter coefficients are developed and verified by experimental data

Keywords

errors; filtering and prediction theory; frequency response; two-dimensional digital filters; 2D filters; FIR digital filters; coefficient inaccuracy; coefficient quantization; direct form; direct-form realization; filter coefficients; frequency errors; frequency-response errors; octagonal symmetry; quadrantal symmetry; statistical bounds; two-dimensional finite impulse-response; wordlength; zero-phase; Active filters; Bandwidth; Capacitance; Circuits and systems; Delay effects; Digital filters; Finite impulse response filter; Operational amplifiers; Passband; Statistics;

fLanguage

English

Journal_Title

Circuits and Systems, IEEE Transactions on

Publisher

ieee

ISSN

0098-4094

Type

jour

DOI

10.1109/31.103228

Filename

103228