%0 Journal Article
%4 sid.inpe.br/mtc-m21d/2021/12.27.11.35
%2 sid.inpe.br/mtc-m21d/2021/12.27.11.35.22
%@doi 10.3390/universe7120486
%T A fast data processing technique for continuous gravitational wave searches
%D 2021
%8 Dec.
%9 journal article
%A Tinto, Massimo,
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%@electronicmailaddress massimo.tinto@gmail.com
%B Universe
%V 7
%N 12
%P e486
%K This article discusses the potential advantages of a data processing technique for continuous gravitational wave signals searches in the data measured by ground-based gravitational wave interferometers. Its main advantage over other techniques is that it does not need to search over the signal’s direction of propagation. Although it is a “coherent method” (i.e., it coherently processes year-long data), it is applied to a data set obtained by multiplying the original time-series with a (half-year) time-shifted copy of it. As a result, the phase modulation due to the interferometer motion around the Sun is automatically canceled in the signal of the synthesized time-series. Although the resulting signal-to-noise ratio is not as high as that of a coherent search, it equals that of current hierarchical methods. In addition, since the signal search is performed over a parameters space of smaller dimensionality, the associated false-alarm probability should be smaller than those characterizing hierarchical methods and result in an improved likelihood of detection.
%X Continuous gravitational wave signals; Data analysis; Gravitational waves; Interferometers.
%@language en
%3 tinto_2021.pdf