Weave: a semicoherent search implementation for continuous gravitational waves. All-sky surveys for isolated continuous gravitational waves present a significant data-analysis challenge. Semicoherent search methods are commonly used to efficiently perform the computationally-intensive task of searching for these weak signals in the noisy data of gravitational-wave detectors such as LIGO and Virgo. We present a new implementation of a semicoherent search method, Weave, that for the first time makes full use of a parameter-space metric to generate search templates in the correct resolution, combined with optimal lattices to minimize the required number of templates and hence the computational cost of the search. We describe the implementation of Weave and associated design choices, and characterize its behavior using semi-analytic models.
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- Karl Wette; Reinhard Prix; David Keitel; Matthew Pitkin; Christoph Dreissigacker; John T. Whelan; Paola Leaci: OctApps: a library of Octave functions for continuous gravitational-wave data analysis (2018) not zbMATH