Application of the α-approximation for discretization of analogue systems | Zendy

Tomislav B. Šekara | Zendy; M.R. Stojić | Zendy

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Application of the α-approximation for discretization of analogue systems

Author(s) -

Tomislav B. Šekara,

M.R. Stojić

Publication year - 2005

Publication title -

facta universitatis - series electronics and energetics

Language(s) - English

Resource type - Journals

eISSN - 2217-5997

pISSN - 0353-3670

DOI - 10.2298/fuee0503571s

Subject(s) - discretization , discretization error , generalization , approximation error , mathematics , transformation (genetics) , range (aeronautics) , discretization of continuous features , mathematical analysis , biochemistry , chemistry , materials science , composite material , gene

The method for discretization of analogue systems using the α-approximation is presented. A generalization of some of the existing transformation methods is also done. A comparative analysis, through the corresponding examples involving several known discretization methods, is carried out. It is demonstrated that the application of this α-approximation allows the reduction of discretization error compared to other approximation methods. The frequency characteristics of the discrete system obtained by these transformations are approximately equal to these of the original analogue system in the basic frequency range.

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