Supported by the National Natural Science Foundation of China (No.40174009, No.40274002).
Two kinds of fading filters and their principles are introduced. An adaptive robust filter is given with corresponding principle. The basic abilities of the fading filters and adaptively robust filter in controlling t...
Supported by National Natural Science Foundation of China (Grant Nos. 49825107, 40274002, 40174009 and 40474001)
The combined adjustment project of the nationwide astronomical geodetic networks and 2000’ national GPS control network involve 48519 terrestrial observational stations and 2666 GPS observational stations. In the ter...
supported by the 100-Talent Fund of the Chinese Academy of Sciences in Astro-geodynamic Center of Shanghai Astronomical Observatory;the National Natural Science Foundation of China(Grant No.40174009);the Knowledge Creative Project of the Chinese Academy of Sciences(Grant No.KJCX2-SW-T1);the Shanghai Scientific Technology Development Fund(Grant No.JC14012);the Guangxi Fund for Youth(Grant No.9912008).
Precise vertical total electron contents (VTEC) and its time variation have been obtained by using GPS dual-frequency observations collected by the continuously operating GPS tracking stations distributed over China. ...
This work was supported by the National Natural Science Foundation of China (Grant Nos. 40274002 and 40174009); the National Science Foundation for the Outstanding Youth in China (Grant No. 49825107).
The quality of the satellite orbit determination is rested on the knowledge of per-turbing forces acting on the satellite and stochastic properties of the observations, and the ability of controlling various kinds of ...
supported by the National Natural Science Foundation of China(Grant No.40174009);the National Important Basic Research Project(Grant No.G1998040703);Open Research Fund Program of the Key Laboratory of Geospace Environment and Geodesy,Ministry of Education,China(Grant No.030405).
At present, the criteria for selecting space geodetic sites are random and uncertain internationally. In this paper, we present a new method for selecting rigid geodetic sites of each plate and establishing a present-...