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A technique for extracting the poles and residues of a system directly from its transient response
Journal article   Peer reviewed

A technique for extracting the poles and residues of a system directly from its transient response

M. Van Blaricum and R. Mittra
IEEE transactions on antennas and propagation, Vol.23(6), pp.777-781
01/11/1975
DOI: https://doi.org/10.1109/TAP.1975.1141184

Abstract

Data mining Electromagnetic scattering Electromagnetic transients Frequency Nonlinear equations Poles and zeros Polynomials Time domain analysis Transient response
A novel approach for systematically deriving the complex poles and residues of a structure from a set of time-domain data is presented. The method is based on Prony's algorithm which involves the inversion of two matrices and a solution of the zeros of an n th degree polynomial, n being the number of desired poles. Two numerical examples are presented and several numerical advantages of this method are discussed.

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