Abstract

An approximate nonlinear spectral-correlation model for fluctuations in the amplitude-frequency responses for the Chandler wobble is considered. The sensitivity of the model parameters to the asymmetry and anisotropy of the fluctuation-dissipation force moments and the effects of the harmonic gravitational-tidal force moments of the Chandler and nearby frequencies is examined. Analytical and statistical modeling of the stability of the amplitude-frequency responses is presented.

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