A digital open-loop Doppler processing prototype for deep-space navigation

CORC > 新疆天文台 > 研究单元未命名 > 射电天文研究室 > 脉冲星研究团组

	A digital open-loop Doppler processing prototype for deep-space navigation
	Jian NianChuan 1; Shang Kun 1,2; Zhang SuJun 1,2; Wang MingYuan 1,2; Shi Xian 1,2; Ping JingSong 1; Yan JianGuo 5; Tang GeShi 3; Liu JunZe 3; Qiu Shi 1
刊名	SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
	2009-12-01
卷号	52 期号:12 页码:1849-1857
关键词	open-loop Doppler differential Doppler deep space navigation Chang'E-1
通讯作者	Jian NianChuan
英文摘要	A prototype based on digital radio technology with associated open-loop Doppler signal processing techniques has been developed to measure a spacecraft's line-of-sight velocity. The prototype was tested in China's Chang'E-1 lunar mission relying on S-band telemetry signals transmitted by the satellite, with results showing that the residuals had a RMS value of similar to 3 mm/s (1 sigma) using 1-sec integration, which is consistent with the Chinese conventional USB (Unified S-Band) tracking system. Such precision is mainly limited by the short-term stability of the atomic (e.g. rubidium) clock at the uplink ground station. It can also be improved with proper calibration to remove some effects of the transmission media (such as solar plasma, troposphere and ionosphere), and a longer integration time (e.g. down to 0.56 mm/s at 34 seconds) allowed by the spacecraft dynamics. The tracking accuracy can also be increased with differential methods that may effectively remove most of the long-term drifts and some of the short-term uncertainties of the uplink atomic clock, thereby further reducing the residuals to the 1 mmls level. Our experimental tracking data have been used in orbit determination for Chang'E-1, while other applications (such as the upcoming YH-1 Mars orbiter) based on open-loop Doppler tracking will be initiated in the future. Successful application of the prototype to the Chang'E-1 mission in 2008 is believed to have great significance for China's future deep space exploration.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Physics, Multidisciplinary
研究领域[WOS]	Physics
收录类别	SCI
语种	英语
WOS记录号	WOS:000272622300006
内容类型	期刊论文
源URL	[http://ir.xao.ac.cn/handle/45760611-7/825]
专题	脉冲星研究团组新疆天文台_射电天文研究室
作者单位	1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Beijing Aerosp Command & Control Ctr, Beijing 100094, Peoples R China 4.CAS, Urumqi Astron Stn, Natl Astron Observ, Urumqi 830011, Peoples R China 5.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430070, Peoples R China
推荐引用方式 GB/T 7714	Jian NianChuan,Shang Kun,Zhang SuJun,et al. A digital open-loop Doppler processing prototype for deep-space navigation[J]. SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,2009,52(12):1849-1857.
APA	Jian NianChuan.,Shang Kun.,Zhang SuJun.,Wang MingYuan.,Shi Xian.,...&Gou Wei.(2009).A digital open-loop Doppler processing prototype for deep-space navigation.SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,52(12),1849-1857.
MLA	Jian NianChuan,et al."A digital open-loop Doppler processing prototype for deep-space navigation".SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 52.12(2009):1849-1857.