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Terrestrial pole oscillations with allowance for fluctuation-dissipation perturbations

机译:地面极点振荡,允许波动耗散扰动

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Based on a numerical-analytical model of the terrestrial pole oscillations, we investigate the effects of fluctuation-dissipation perturbations due to the pole tide. We consider the fluctuation perturbations at a frequency close to the Chandler one using the sea level data as an example. Allowance for the small irregular perturbations in tidal processes is shown to lead to variations in the Chandler component of the oscillations. We note that the amplitude of the Chandler pole oscillations is sensitive to the difference of the Chandler frequency and a frequency close to it and to the dissipation coefficients.
机译:基于地面磁极振荡的数值分析模型,我们研究了由于磁极潮汐引起的波动耗散扰动的影响。我们以海平面数据为例,考虑在接近钱德勒的频率上的波动摄动。潮汐过程中小的不规则扰动的允许量会导致振荡的钱德勒分量发生变化。我们注意到,钱德勒极点振荡的幅度对钱德勒频率和与其接近的频率以及耗散系数的差异敏感。

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