funded by the National Natural Science Foundation of China(Grant Nos.11103010,11573015 and 11073047);the Fundamental Research Program of Jiangsu Province of China under No.BK2011553;the Research Fund for the Doctoral Program of Higher Education of China(No.20110091120003);the Fundamental Research Funds for the Central Universities(Grant No.20620140586);the Opening Project of Shanghai Key Laboratory of Space Navigation and Position Techniques(Grant No.14DZ2276100)
We analyze the post-fit residuals of one-way Doppler tracking data from the Mars Express (MEX) spacecraft to test possible violations of local Lorentz invariance (LLI) and local position invariance (LPI). These ...
supported by the National Natural Science Foundation of China (11073047,11173052);the Science and Technology Commission of Shanghai (12DZ2273300);the National High Technology Research and Development Program of China (2012AA121603);the Planetary Sciences Laboratory of Chinese Academy of Sciences;the Lunar Exploration Project of China
Chang’E-3 landed on the east of Sinus Iridum area on December 14,2013,performing China’s first successful soft landing on the lunar surface.We present the results on precision orbit determination and positioning of ...
supported by the National Natural Science Foundation of China(11073047,10703011);Science and Technology Commission of Shanghai(12DZ2273300)
A kinematic statistical method is proposed to determine the position for Chang'E-3(CE-3) lunar lander.This method uses both ranging and VLBI measurements to the lander for a continuous arc,combing with precise knowled...
supported by the National High Technology Research and Development Program of China (863) (Grant Nos.2009Z12A324 and 2009AA12Z328);the National Natural Science Foundation of China (Grant Nos. 10703011, 11073047 and 11033004);the Science and Technology Commission of Shanghai (Grant No. 06DZ22101)
Constellations of regional satellite navigation systems are usually constituted of geostationary satellites (GEO) and inclined geostationary satellites (IGSO) for better service availability. Analysis of real data sho...
supported by the National Natural Science Foundation of China (Grant Nos. 10703011 and11073047);the Science and Technology Commission of Shanghai (GrantNo. 06DZ22101);the National High Technology Research and Development Program of China (Grant No. 2010AA122202)
The Unified S-Band (USB) ranging/Doppler system and the Very Long Baseline Interferometry (VLBI) system as the ground tracking system jointly supported the lunar orbit capture of both Chang'E-2 (CE-2) and Chang...
supported by the Hundred Talent Project(s) of Chinese Academy of Sciences;the National Natural Science Foundation of China (Grant Nos.11073048 and 11073047);the Pujiang Project of Shanghai (Grant No.10PJ1411700);Shanghai Key Laboratory of Space Navigation and Position Techniques (Grant No.Y054262001)
When only data transmission signals with a bandwidth of 1 MHz exist in the rover, the position can be obtained using the differential group delay data of the same-beam very long baseline interferometry (VLBI). The rel...