Supported by the National Basic Research Program of China (Grant No. 2007CB815500);the National High Technology Research and Development Program (Grant No. 2004AA105030);the Pilot Project of the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KGCX1-21);the National Natural Science Foundation of China (Grant No. 10453001)
This work describes the barometric altimetry as virtual constellation applied to the Chinese Area Positioning System (CAPS), which uses the transponders of communication satellites to transfer navigation messages to u...
Supported by the Major Knowledge Innovation Programs of the Chinese Academy of Sciences (Grant No. KGCX1-21);the National High Technology Research and Development Program of China (Grant Nos. 2004AA105030 and 2006AA12Z314);the National Natural Science Foundation of China (Grant No. 10453001);the Major State Basic Research Development Program of China (Grant No. 2007CB815502)
The Chinese Area Positioning System (CAPS) works without atomic clocks on the satellite, and the CAPS navigation signals transmitted on the ground may achieve the same effect as that with high-performance atomic clock...
Supported by the Major Knowledge Innovation Programs of the Chinese Academy of Sciences (Grant No. KGCX1-21);the National High Technology Research and Development Program of China (Grant No. 2004AA105030);the National Natural Science Foundation of China (Grant No. 10453001);the Major State Basic Research Development Program of China (Grant No. 2007CB815502)
Proper signal structure is very important in the navigation, positioning, and time services of a satellite navigation system. In this paper, the carrier wave characteristics, ranging code functions, BOC modulation, na...
Supported by the National Natural Science Foundation of China (Grant No. 10453001);the National Basic Research Program of China (Grant No. 2007CB815500);the National High Technology Research and Development Program of China (Grant No. 2004AA105030);the Funds of the Chinese Academy of Sciences for Key Topics in Innovation Engineering (Grant No. KGCXI-21)
It is a long dream to realize the communication and navigation functionality in a satellite system in the world. This paper introduces how to establish the system, a positioning system based on communication satellite...
supported by Ministry of science and Technology of China (Nos.2007CB815500, 2004AA105030and 2007AA12Z3423);Chinese Academy of science (No.KGCXI-21);the National Natural Science Foundation of China (No.10453001).
The Chinese Area Positioning System (CAPS) is a positioning system based on satellite communication that is fundamentally different from the 3"G" (GPS, GLONASS and GALILEO) systems. The latter use special-purpos...