Rational approximation of frequency responses via singular value decomposition

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Abstract

This paper describes a non-iterative method for rational approximation of frequency-domain responses based on application of the Singular Value Decomposition algorithm. Using causality, a system response measured for positive frequencies is extended to negative frequency range. Impulse response is directly available through known inverse Fourier transform of a rational approximation in the partial fraction expansion form. The method is demonstrated using an example with known Fourier transform pair, as well as a practical example, where measured frequency response of a power transformer has been used.

Original languageEnglish
Title of host publication24th Mediterranean Conference on Control and Automation, MED 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages344-349
Number of pages6
ISBN (Electronic)9781467383455
DOIs
Publication statusPublished - 5 Aug 2016
Externally publishedYes
Event24th Mediterranean Conference on Control and Automation, MED 2016 - Athens, Greece
Duration: 21 Jun 201624 Jun 2016

Publication series

Name24th Mediterranean Conference on Control and Automation, MED 2016

Conference

Conference24th Mediterranean Conference on Control and Automation, MED 2016
Country/TerritoryGreece
CityAthens
Period21.06.201624.06.2016

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