Amplitude—frequency analysis of Chandler oscillations of the Earth’s pole

Amplitude—frequency analysis of Chandler oscillations of the Earth’s pole

An approximate nonlinear spectral-correlation model of fluctuations of the amplitude--frequency characteristics of the Chandler self-excited oscillations of the Earth's pole is considered. The sensitivity of the model parameters to the asymmetry and anisotropy of fluctuation-dissipative moments...

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Veröffentlicht in:Cosmic research 2007-12, Vol.45 (6), p.513-522
Hauptverfasser: Markov, Yu. G., Perepyolkin, V. V., Sinitsyn, I. N., Korepanov, E. R., Shi, Hoang Tho
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container_end_page 522
container_issue 6
container_start_page 513
container_title Cosmic research
container_volume 45
creator Markov, Yu. G.
Perepyolkin, V. V.
Sinitsyn, I. N.
Korepanov, E. R.
Shi, Hoang Tho
description An approximate nonlinear spectral-correlation model of fluctuations of the amplitude--frequency characteristics of the Chandler self-excited oscillations of the Earth's pole is considered. The sensitivity of the model parameters to the asymmetry and anisotropy of fluctuation-dissipative moments of forces and to the effect of harmonic gravitation-tidal moments of forces is studied at Chandler frequency and frequencies close to it. The results of analytical and statistical modeling of the stability of the amplitude--frequency characteristics are presented. The influence of fluctuation disturbances of the white noise type on spectral-correlation characteristics of the oscillations is investigated.[PUBLICATION ABSTRACT]
doi_str_mv 10.1134/S0010952507060081
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title Amplitude—frequency analysis of Chandler oscillations of the Earth’s pole
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