N-Order Linear State Space Systems: Computing the Transfer Function using the DFT

Document Type

Article

Publication Date

11-15-2005

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.

DOI

10.1016/j.amc.2005.01.005

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