Table 2: The weighted root mean squares of the differences between estimates of the Earth rotation model from analysis of VLBI observations and the USNO Finals EOP model for the period of [1996.0, 2006.0]. The statistics in rows 1 and 2 correspond to solution B, which follows the proposed approach. The statistics in row 3 correspond to solution gsf2006c, which follows the traditional approach.
Solution q1 q2 q3 $\dot{q}_1$ $\dot{q}_2$ $\dot{q}_3$
ERM all 0.79 $\times $ 10-9 rad 0.99 $\times $ 10-9 rad 0.64 $\times $ 10-9 rad 0.78 $\times $ 10-14 rad s-1 1.16 $\times $ 10-14 rad s-1 0.92 $\times $ 10-14 rad s-1
ERM exp 0.58 $\times $ 10-9 rad 0.69 $\times $ 10-9 rad 0.52 $\times $ 10-9 rad 0.77 $\times $ 10-14 rad s-1 1.15 $\times $ 10-14 rad s-1 0.81 $\times $ 10-14 rad s-1
gsf2006c 0.55 $\times $ 10-9 rad 0.57 $\times $ 10-9 rad 0.42 $\times $ 10-9 rad 1.89 $\times $ 10-14 rad s-1 2.00 $\times $ 10-14 rad s-1 1.52 $\times $ 10-14 rad s-1

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