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Browse Journals & Magazines > Science, Measurement & Techno ...> Volume:2 Issue:1 Help

Frequency estimation via weighted multipoint interpolated DFT

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2 Author(s)
Belega, D. ; Politeh. Univ. of Timisoara, Timisoara ; Dallet, D.

A weighted multipoint interpolated discrete Fourier transform (WMIpDFT) method for high accuracy frequency estimation of a multi-frequency signal component is presented. This method uses the maximum sidelobe decay windows. The relationships to estimate the frequency when an H-term maximum sidelobe decay window (H ges 2) is used for (2J + 1)-point interpolation (1 les J les H + 1) are given. The effectiveness of the method proposed was analysed by means of computer simulations for a multi-frequency signal without noise as well as with quantisation noise.

Published in:
Science, Measurement & Technology, IET  (Volume:2 ,  Issue: 1 )

Date of Publication: Jan. 2008

Page(s):
1 - 8
ISSN :
1751-8822
INSPEC Accession Number:
9944156
Digital Object Identifier :
10.1049/iet-smt:20070022
Product Type:
Journals & Magazines
Date of Current Version :
04 December 2007
Issue Date :
Jan. 2008
Sponsored by :
Institution of Engineering and Technology

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