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On e-VLBI technique and its applications in orbit determination of satellite
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Update time: 2012/11/22
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ZHANG Hai-rong1,2,3, CAI Hong-bing1,2, ZHAO Cheng-shi1,2

(1. National Time Service Center, Chinese Academy of Science, Xi′an 710600, China;

2. Key Laboratory of Time and Frequency Primary Standards, National Time Service Center,

Chinese Academy of Sciences, Xian 710600, China;

3. Graduate University of Chinese Academy of Sciences, Beijing 100039, China)

Abstract: The e-VLBI technique inherits the high angular resolution from the traditional VLBI technique, and the results from e-VLBI observation can be obtained quickly with high speed communication network to transmit its data. These advantages are quite beneficial to the rapid determination of satellite orbit and the improvement of existing accuracy of orbit determination. By analyzing the technical characteristic of e-VLBI, reviewing its development, and combining with the differential VLBI measurement of satellite, we mainly discuss the current application situation, development obstacles and requirements for the e-VLBI technology in China, and the prospect of e-VLBI in China is also discussed.

Key words: e-VLBI; real-time VLBI; differential VLBI; satellite-orbit determination

2009 National Time Service Center (NTSC), Chinese Academy of Sciences , All Rights Reserved