Design of fractional order digital FIR differentiators
Chien-Cheng Tseng
Dept. of Comput. & Commun. Eng., Nat. Kaohsiung First Univ. of Sci. & Technol.;
This paper appears in: Signal Processing Letters, IEEE
Publication Date: Mar 2001
Volume: 8,
Issue: 3
On page(s): 77-79
ISSN: 1070-9908
References Cited: 13
CODEN: IESPEJ
INSPEC Accession Number: 6867925
Digital Object Identifier: 10.1109/97.905945
Current Version Published: 2002-08-07
Abstract
In this paper, the design of a fractional order FIR differentiator
is investigated. First, the fractional derivative of the power function
is defined. Then, the impulse response of the fractional order
differentiator is obtained by solving linear equations of the
Vandermonde form. Finally, one example is used to demonstrate that the
fractional derivatives of digital signals are easily computed by using
the proposed filtering technique
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