Title :
Linear phase IIR filter design: a model reduction approach
Author :
Sreeram, V. ; Agathoklis, P.
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
Abstract :
A method is presented for the design of a linear-phase IIR filter. It involves designing a FIR filter satisfying the given frequency response specifications and subsequently obtaining a significantly lower-order IIR filter using model reduction. The method is illustrated by a design example and is compared with a direct method for the design of linear-phase IIR filters using equalizers. The filter designed using the proposed technique gives a better constant group delay for an almost equal order.<>
Keywords :
digital filters; filtering and prediction theory; FIR filter; constant group delay; digital filters; frequency response; linear-phase IIR filter; model reduction; Algorithm design and analysis; Band pass filters; Delay; Design methodology; Digital filters; Finite impulse response filter; IIR filters; Nonlinear filters; Passband; Reduced order systems;
Conference_Titel :
Communications, Computers and Signal Processing, 1989. Conference Proceeding., IEEE Pacific Rim Conference on
Conference_Location :
Victoria, BC, Canada
DOI :
10.1109/PACRIM.1989.48334
