Degree of randomness: numerical experiments for astrophysical signals

Details Degree of randomness: numerical experiments for astrophysical signals Degree of randomness: numerical experiments for astrophysical signals

2011-04-29

arxiv.org/abs/1104.5688v2

Europhys.Lett. 95 (2011) 19001

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

6 pages, 9 figures; Europhys.Letters; to match the published version

Scientific paper

Astrophysical and cosmological signals such as the cosmic microwave background radiation, as observed, typically contain contributions of different components, and their statistical properties can be used to distinguish one from the other. A method developed originally by Kolmogorov is involved for the study of astrophysical signals of randomness of various degrees. Numerical performed experiments based on the universality of Kolmogorov distribution and using a single scaling of the ratio of stochastic to regular components, reveal basic features in the behavior of generated signals also in terms of a critical value for that ratio, thus enable the application of this technique for various observational datasets

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