SEARCH for MONOCHROMATIC SIGNALS USING DATA FROM the ALLEGRO GRAVITATIONAL WAVE DETECTOR
Oliveira, F. G.
Marinho, R. M.
Xavier, V. S.
Magalhaes, N. S. [UNIFESP]
Aguiar, O. D.
Is part ofInternational Journal of Modern Physics D
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We present a data analysis method for searching monochromatic signals in temporal series. With this method it is possible to estimate the power spectrum by using averaged modified periodograms which reinforce the presence of peaks due to monochromatic signals. in particular we use ALLEGRO's gravitational wave data for the year 1999 taking into account the effect due to the orbital motion of the Earth. We tested the method injecting a simulated signal in real data and we were able to detect it. Then we seeked for candidate signals within the noise but nothing was found. the method showed useful for applications in the search for continuous gravitational waves.
CitationInternational Journal of Modern Physics D. Singapore: World Scientific Publ Co Pte Ltd, v. 19, n. 8-10, p. 1293-1297, 2010.
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