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ASME Press Select Proceedings
International Conference on Computer Technology and Development, 3rd (ICCTD 2011)
ISBN:
9780791859919
No. of Pages:
2000
Publisher:
ASME Press
Publication date:
2011
eBook Chapter
372 An Algorithm of DOR Tone Processing in VLBI System
By
Han Songtao
,
Han Songtao
Science and Technology on Aerospace Flight Dynamics Laboratory
, Beijing, 100094
, China
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Tang Geshi
,
Tang Geshi
Science and Technology on Aerospace Flight Dynamics Laboratory
, Beijing, 100094
, China
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Zhou Lv
,
Zhou Lv
Science and Technology on Aerospace Flight Dynamics Laboratory
, Beijing, 100094
, China
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Lue Chen
,
Lue Chen
Science and Technology on Aerospace Flight Dynamics Laboratory
, Beijing, 100094
, China
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Youping Wang
Youping Wang
Beijing Aerospace Control Center
, Beijing, 100094
, China
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Page Count:
5
-
Published:2011
Citation
Songtao, H, Geshi, T, Lv, Z, Chen, L, & Wang, Y. "An Algorithm of DOR Tone Processing in VLBI System." International Conference on Computer Technology and Development, 3rd (ICCTD 2011). Ed. Zhou, J. ASME Press, 2011.
Download citation file:
Very Long Baseline Interferometry (VLBI) has the advantages of far distance, tremendous high angular, high accuracy, and it is widely used in geodesy, deep space exploration. Usually spacecraft transmits high frequency sinewave Differential One-way Ranging (DOR) tones to provide the best precision. This paper presented an algorithm of DOR tone processing. It is based on cross correlation and adopts gradual frequency estimation. The algorithm can reduce computation burden and decrease error source induced by traditional local correlation method. Simulation experimental results show effectiveness of the algorithm, and it will play an important role in real-time navigation in deep space exploration project.
Abstract
Key Words
1 Introduction
2. Basic Theory of DOR Tone
3 Data Processing
4. Experimental Results
5. Summaries
References
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