References
- Ai G, Sheng P, Du J, Zheng Y, Cai X, Wu H, Hu Y, Hua Y, Li X. (2009a) Barometric altimetry system as virtual constellation applied in CAPS. Sci China Ser G-Phys Mech Astron, Vol. 52, No. 3, 376-383.10.1007/s11433-009-0060-y
- Ai G, Shi H, Wu H, Li Z, Guo J. (2009b) The principle of the positioning system based on communication satellites. Sci China Ser G-Phys Mech Astron, Vol. 52, No. 3, 472-488.10.1007/s11433-009-0065-6
- Ai G, Shi H, Wu H, Yan Y, Bian Y, Hu Y, Li Z, Guo J, Cai X. (2008) Positioning system based satellite communication and Chinese Area Positioning System (CAPS). Chin J Astron Astrophys, Vol. 8, No. 6, 611-630.
- Han Y, Ma L, Qiao Q, Yin Z, Shi H, Ai G. (2009) Functions of retired GEO communication satellites in improving the PDOP value of CAPS. Sci China Ser G-Phys Mech Astron, Vol. 52, No. 3, 423-433.
- Ji H, Ma L, Ai G, Shi H. (2013) The principle of a navigation constellation composed of SIGSO communication satellites. Research in Astron. Astrophys, Vol. 13, No. 4, 479-489.
- Lai D. (2009) Study of Beidou passive positioning. Master's degree thesis, Xidian University Li, B, Dempster, A. (2010) China’s regional navigation satellite system - CAPS. Inside GNSS, Vol. 5, No. 4, 59-63.
- Liu J, Lu M, Cui X, Feng Z. (2009) Virtual satellite algorithm for Beidou passive positioning. J Tsinghua Univ (Sci & Tech), Vol. 49, No. 1, 49-52
- Ma L. (2011) The benefits of inclined-orbit operations for geostationary orbit communication satellites. Artificial Satellites, Vol. 46, No. 1, 1-7.
- Ma L, Ai G, Ji H. (2011a) A study for IGSO inclination angles in the transmitting satellite navigation constellation. The Journal of Navigation, Vol. 64, No. S1, S73-S82.10.1017/S0373463311000476
- Ma L, Li S. (2014) Mathematical aspects for RNSS constellation with IGSO satellites. Earth Science Research, Vol. 3, No. 2, 66-71.
- Ma L, Jing Y, Ji H, Zhang L. (2011b) Analysis of evolution of orbits of GEO satellites in end of life based on the STK software. Astronomical Research & Technology, Vol. 8, No. 4, 347-353.
- Misra P., and Enge P. (2006) Global Positioning System: Signals, Measurements, and Performance. Ganga-Jamuna Press.
- O'Neill G. (1984) The Geostar System. The Journal of Navigation, Vol. 37, No. 3, 371-373.
- Shi H, Ai G, Han Y, Ma L, Chen J, Geng J. (2009) Multi-life cycles utilization of retired satellites. Sci China Ser G-Phys Mech Astron, Vol. 52, No. 3, 323-327