STABILITY TEST FOR N-DIMENSIONAL RECURSIVE DIGITAL FILTERS USING THE COMPLEX CEPSTRUM.


King R. A., Kayran A. H.

Bulletin of the Technical University of Istanbul, vol.40, no.3, pp.617-630, 1987 (Scopus) identifier

Abstract

A stability test is developed for a general class of N-dimensional digital filters, which includes, but is not limited to causal (first quadrant) filters. The stability test is based on the properties of N-dimensional complex cepstrum of filters with rational transfer functions.