Title :
On designing stable allpass filters using AR modeling
Author :
Kumaresan, Ramdas ; Rao, Ashwin
Author_Institution :
Dept. of Electr. Eng., Rhode Island Univ., Kingston, RI, USA
fDate :
1/1/1999 12:00:00 AM
Abstract :
By exploiting the minimum-phase property of an autoregressive (AR) modeling technique, we propose a simple method for designing allpass filters that are guaranteed to be stable. It is assumed that equispaced samples of the desired allpass filter´s phase function is given
Keywords :
all-pass filters; autoregressive processes; circuit stability; delays; filtering theory; network synthesis; signal sampling; AR modeling; autoregressive modeling; equispaced samples; filtering applications; group delay equalisation; minimum-phase property; phase function; stable allpass filters design; Design methodology; Equalizers; Filter bank; Filtering; Frequency response; Iterative algorithms; Polynomials; Spectral analysis; Stability; Transfer functions;
Journal_Title :
Signal Processing, IEEE Transactions on