Astronomy and Astrophysics – Astronomy
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pobeo..80..331c&link_type=abstract
Publications of the Astronomical Observatory of Belgrade, Vol. 80, p. 331-335
Astronomy and Astrophysics
Astronomy
Scientific paper
Among the problems appearing in the mathematical treatment of the observational material is the one of weights which is still unresolved because of the unknown structure of observational variances. In this paper a method referred to as the PERVC one is presented. Its purpose is the estimation of the variance components and it is tested on three models of variance components. These models were used in the adjustment of the part of the European Longitude Network (ELN) undertaken in the framework of a proposal for the project of including Belgrade in this network. The results of the estimation of variance components obtained by using this method are compared to those where the MINQE one is applied.
Cvetkovic Zorica
Perovic G.
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