The constraint in the transverse direction of satellite orbit with differenced ranges between master station and slave stations by transfer as an angular observation data is explained in theory. Differenced ranges in ...
The original idea of orbit determination called "determination of satellite orbit by transfer" was proposed by the National Time Service Center,Chinese Academy of Sciences.It shows that the system is very stable and t...
the National Natural Science Foundation of China (Grant No. 49872031);the Excellent Young Teachers and Doctor's Disciplines Foundation of the Ministry of Education of China (Grant No. 9518701).
A great amount of alkali-feldspar and alkaline granites have been found around Nenjiang, Northwest Lesser Xing’an Ranges, but their forming ages have been a controversial subject due to the lack of reliable geologica...
Thirty-nine soils were studied on Holocene and late Pleistocene geomorphic surfaces.Granodiorite, sandstone, and alluvium derived from these rocks are the parent materials. Climateis Mediterranean. Chamise (Adenostom...
Ⅰ. INTRODUCTION Let be a separable infinite-dimensional Hilbert space, be the algebra of all (bounded linear) operators on, and be a subalgebra in with identity Ⅰ. Let lat (resp. lat1/2) denote the lattice of inva...