Parameterization of stable systems from partial impulse response sequences

S. Unnikrishna Pillai, Won Cheol Lee

Research output: Contribution to journalArticlepeer-review


This brief addresses the problem of identifying the class of all stable system transfer functions that interpolate the given partial impulse response sequence. In this context, classical Fade approximations that are also stable, are shown to be a special case of this general formulation. The theory developed in this connection is utilized to obtain a new criterion for determining the model order and system parameters for rational systems, and, further, to generate nonminimum phase optimal stable rational approximations of nonrational systems from its impulse response sequence.

Original languageEnglish (US)
Pages (from-to)234-242
Number of pages9
JournalIEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Issue number3
StatePublished - 1997

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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