1. LIU Haiying, WANG Huinan. Orbit determination of satellite on the middle-high Earth orbit based on GPS[J]. Chin. J. Space Sci., 2005, 25(4):293-297 (刘海颖, 王惠南. 基于GPS的中、高轨道航天器定轨研究[J]. 空间科学 学报, 2005, 25(4):293-297)
2. AXELRAD P, BRADLEY B K, Tombasco J, Mohiuddin S, Donna J. GEO satellite positioning using GPS collective detection[C]//23rd International Technical Meeting of the Satellite Division of the Institute of Navigation 2010. Oregon, Portland: Institute of Navigation, 2010:2717-2731
3. YUN Cheng. Public Service Performance Specification of Beidou Satellite Navigation System(1.0)[EB/OL]. [2013-12-01]. http://www.beidou.gov.cn/attach/2013/12/26/20-131226fe8b20aad5f34091a6f8a84b08b1c4b1.pdf
4. WEN Changyuan, YUE Fuzhan, CHOU Yuehua. Analysis of high altitude GPS signal availability[J]. Electr. Design Eng., 2014, 22(2):29-33 (闻长远, 岳富占, 仇跃华. 高轨GPS 信号可用性分析[J]. 电子设计工程, 2014, 22(2):29-33)
5. HE Qingxu, SUN Qiangui. A new solution of autonomous navigation for GEO satellites based on GNSS[J]. J. Spa-cecr. TT&C Technol., 2010, 29(1):7-11 (何清举, 孙前贵. 利用GNSS实现高轨卫星自主导航的新方案[J]. 飞行器测控学报, 2010, 29(1):7-11)