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DFT-based frequency estimators with narrow acquisition range

Zakharov, Y.V., Baronkin, V.M. and Tozer, T.C. (2001) DFT-based frequency estimators with narrow acquisition range. IEE Proceedings-Communications, 148 ( 1). pp. 1-7. ISSN 1350-2425

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Abstract

The authors propose new frequency estimators, with narrow frequency acquisition range, which are based on the calculation of the discrete Fourier transform (DFT) of the input signal. The algorithms consist of two steps: coarse and fine search of the periodogram peak. This frequency estimator structure employing either parabolic interpolation, dichotomous search, two-rate spectral estimation or their combination for fine search allows a considerable decrease in computational load with respect to known estimators. The proposed estimators are shown to have accuracy performance close to that of the maximum likelihood (ML) estimator.

Item Type: Article
Academic Units: The University of York > Electronics (York)
Depositing User: York RAE Import
Date Deposited: 28 May 2009 10:25
Last Modified: 28 May 2009 10:25
Published Version: http://dx.doi.org/10.1049/ip-com:20010060
Status: Published
Publisher: Institution of Engineering and Technology
Identification Number: 10.1049/ip-com:20010060
URI: http://eprints.whiterose.ac.uk/id/eprint/6263

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