n-Order linear state space systems: Computing the transfer function using the DFT

Research output: Contribution to journalArticle

Abstract

The discrete Fourier transform is used to determine the coefficients of a transfer function for n-order linear systems: x(n)=∑i=1nAix(n-i)+Bu. The algorithm is fast, straight forward and easily can be implemented. Two step-by-step examples, illustrating the application of the algorithm, are presented.

Original languageEnglish
Pages (from-to)1077-1084
Number of pages8
JournalApplied Mathematics and Computation
Volume170
Issue number2
DOIs
StatePublished - 15 Nov 2005

Keywords

  • Fourier transform
  • Transfer function
  • n-order systems

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