Abstract
The development of methods for the construction of stochastic, dynamical models for intra-year irregularity of the Earth’s rotation is considered. A correlational model based on harmonically additive and parametrically random, colored and broadband, gravitational-tidal perturbations from the Sun and Moon is developed. One-dimensional and multi-dimensional characteristic functions are found for the case of Gaussian and non-Gaussian colored and broadband fluctuations in the irregularity of the Earth’s rotation. Examples of computer modeling of the irregularity in the Earth’s rotation based on a priori and a posteriori IERS data are presented.
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Original Russian Text © Yu.G. Markov, L.V. Rykhlova, I.N. Sinitsyn, 2012, published in Astronomicheskii Zhurnal, 2012, Vol. 89, No. 2, pp. 180–192.
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Markov, Y.G., Rykhlova, L.V. & Sinitsyn, I.N. Development of methods for constructing models for intra-year irregularity in the Earth’s rotation. Astron. Rep. 56, 153–165 (2012). https://doi.org/10.1134/S1063772912020059
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DOI: https://doi.org/10.1134/S1063772912020059