Stability test of reduced complexity for 2-D digital system polynomials

Research output: Contribution to journalConference articlepeer-review

Abstract

A new algebraic test for deciding whether a 2-D (bivariate) polynomial has all its zeros in the interior of the unit bi-circle is presented. The testing of a polynomial of degree (n1, n2) is performed by n1n2+2 unit circle tests of 1-D polynomials of degree n1 or n2 plus one of degree 2n1n2 and it can be carried out in a very low (apparently unprecedented) count of approximately 1.5n1n23+2n12n22 real flops.

Original languageEnglish
Pages (from-to)V-94-V-97
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume5
StatePublished - 1998
EventProceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6) - Monterey, CA, USA
Duration: 31 May 19983 Jun 1998

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