..............page:38-44+48
Study on the GNSS Navigation Message Structure
ZHANG Bei;WU Hai-ling;LI Zuo-hu;China Academy of Space Electronic Technology of Satellite Navigation Systems Engineering Center;Tracking and Communication Technology Research Institute in Beijing;
..............page:45-48
..............page:54-56+37
..............page:81-84+93
The Optimization of GPS Elevation Fitting Models
ZHANG Yan-lan;LUAN Yuan-zhong;MENG Cui;GUO Xi-tian;YU Jin-rong;LUAN Heng-xuan;College of Geomatics;Shandong University of Science and Technology;Nanjing Guotu Information Industry Co.Ltd.;Weishanhu Mining Co.Ltd.;College of Mechanical and Electronic Engineering;Shandong University of Science and Technology;
..............page:85-88
..............page:98-101
..............page:102-106