The computation of nutation series and the estimation of the earthorientationparameters (EOP) make use of an intermediate pole.
章动序列计算和地球定向参数测定需要一个中间的天球参考极作参照。
2
The improvement on solving EarthOrientationParameters (EOP) model is introduced. The improved model is more conformable to high precision of SLR data and is used in multi-arc method.