DocumentCode
528674
Title
An influence of signal amplitude variation on interpolated DFT method
Author
Oliwa, Wojciech
Author_Institution
Inst. of Electron., Silesian Tech. Univ., Gliwice, Poland
fYear
2010
fDate
7-10 Sept. 2010
Firstpage
77
Lastpage
80
Abstract
In order to obtain high accuracy of frequency measurement via DFT the interpolated DFT method is used. This method makes assumption that measured signal is periodical, particularly with constant amplitude. In this paper an influence of amplitude variation on Interpolated DFT method is analyzed. It occurs that for some decreasing signals amplitude changes are insignificant for Interpolated DFT.
Keywords
discrete Fourier transforms; frequency measurement; interpolation; signal processing; frequency measurement; interpolated DFT method; signal amplitude variation; Acoustic measurements; Discrete Fourier transforms; Equations; Frequency estimation; Frequency modulation; Mathematical model;
fLanguage
English
Publisher
ieee
Conference_Titel
Signals and Electronic Systems (ICSES), 2010 International Conference on
Conference_Location
Gliwice
Print_ISBN
978-1-4244-5307-8
Electronic_ISBN
978-83-9047-4-2
Type
conf
Filename
5595248
Link To Document