Title :
Optimal filter reduction via a double projection
Author :
Yan, Wei-Yong ; Xie, Lihua
Author_Institution :
Sch. of Electr. & Comput. Eng., Curtin Univ. of Technol., Perth, WA, Australia
fDate :
3/1/2000 12:00:00 AM
Abstract :
A double projection is introduced to approximate a given digital filter by a reduced-order filter so that the integral squared impulse response error between the two filters is minimized. Convergent algorithms are constructed for performing optimal order reduction
Keywords :
digital filters; discrete systems; linear systems; reduced order systems; search problems; transient response; convergent algorithms; digital filter; double projection; integral squared impulse response error; optimal order reduction; reduced-order filter; Controllability; Convergence; Digital filters; Equations; Finite impulse response filter; Frequency; Image converters; Image processing; Observability; Reduced order systems;
Journal_Title :
Signal Processing, IEEE Transactions on
