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26 April 2006 Accuracy improvement of short signal frequency estimation with the use of digital filtration
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Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 61594J (2006) https://doi.org/10.1117/12.674974
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland
Abstract
In this paper a method for frequency estimation of a short observation of sinusoid in noise is presented. The basic measurement is obtained by means of DFT. The problem is, that in case of short signals, this approach usually offers unsatisfactory accuracy, which must be further improved. In the presented method accuracy improvement is achieved with the help of a specially selected digital filter. Efficiency of presented method has been compared with several other frequency estimation methods based on DFT.
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Ewa Blok and Marek Blok "Accuracy improvement of short signal frequency estimation with the use of digital filtration", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 61594J (26 April 2006); https://doi.org/10.1117/12.674974
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