Multistage multirate adaptive filters

Author

Williamson, Geoffrey A. ; Dasgupta, Soura ; Fu, Minyue

Author_Institution

Dept. of Electr. & Comput. Eng., Illinois Inst. of Technol., Chicago, IL, USA

Volume

3

fYear

1996

fDate

7-10 May 1996

Firstpage

1534

Abstract

A procedure for the adaptation of multistage multirate filters is developed in the context of a system identification perspective. The system to be identified is the cascade of a multistage decimator followed by a multistage interpolator. For this structure, an identifiability condition is established which is sufficient to guarantee that the stagewise systems may be uniquely determined from input-output data in the ideal, exact model order case. An algorithm is then described that achieves exponential convergence of the system parameter estimates to their desired values given satisfaction of these identifiability conditions

Keywords

adaptive estimation; adaptive filters; cascade networks; convergence of numerical methods; digital filters; interpolation; parameter estimation; adaptation; cascade; exponential convergence; ideal exact model order case; identifiability condition; input-output data; multistage decimator; multistage interpolator; multistage multirate adaptive filters; stagewise systems; system identification; system parameter estimates; Adaptive filters; Australia; Cities and towns; Convergence; Design optimization; Filter bank; Filtering; Finite impulse response filter; Parameter estimation; System identification;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1996. ICASSP-96. Conference Proceedings., 1996 IEEE International Conference on

Conference_Location

Atlanta, GA

ISSN

1520-6149

Print_ISBN

0-7803-3192-3

Type

conf

DOI

10.1109/ICASSP.1996.544092

Filename

544092