The problem of observing geocenter motion from global navigation satellite system (GNSS) solutions through the network shift approach is addressed from the perspective of collinearity (or multicollinearity) among the parameters of a least-squares regression. A collinearity diagnosis, based on the notion of variance inflation factor, is therefore developed and allows handling several peculiarities of the GNSS geocenter determination problem. Its application reveals that the determination of all three components of geocenter motion with GNSS suffers from serious collinearity issues, with a comparable level as in the problem of determining the terrestrial scale simultaneously with the GNSS satellite phase center offsets.
Rebischung, P., Altamimi, Z., Springer, T. A collinearity diagnosis of the GNSS geocenter determination,
Springer Berlin Heidelberg, 2014, с.65-85.
Rebischung, P., Altamimi, Z., Springer, T. .
A collinearity diagnosis of the GNSS geocenter determination.
: Springer Berlin Heidelberg, 2014, с.65-85.
Rebischung, P., Altamimi, Z., Springer, T. (2014)
A collinearity diagnosis of the GNSS geocenter determination,
: Springer Berlin Heidelberg, с.65-85
Rebischung, P.,
Altamimi, Z., &
Springer, T.
(2014).
A collinearity diagnosis of the GNSS geocenter determination. Journal of Geodesy. Springer Berlin Heidelberg 88 (1), с.65-85.
