Abstract

A long-term analysis of the noise background of the “ULITKA” gravitational-wave antenna is presented in connection with searches for anomalous impulsive signals and slow solar-terrestrial correlations with a period of 27 days. Automated selection and estimation algorithms are used, including nonparametric criteria for the statistical dependence of samples uniform in time. The upper limit for the gravitational-noise background is confirmed by the observational statistics. The presence of slow, anomalous correlations is not confirmed.

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