Relative position determination between Chang’E-3 lander and rover using in-beam phase referencing

Huan, Zhiguang; Li, Haitao; Dong, Guangliang

doi:10.1007/s11432-015-5363-1

Cited by 8 publications

(4 citation statements)

References 15 publications

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“…VLBI was also used for spacecraft orbit determination during the SELenological and ENgineering Explorer (SELENE) mission (Kato et al, 2008), using phase delays from the same-beam, named differential VLBI (Kikuchi et al, 2009). The Chang'e 3 mission used the samebeam phase-referencing to obtain horizontal position estimates for the lunar rover with respect to the lander position with a 1-m relative accuracy level (Zhou et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Precise positioning of Chang’e 3 lander based on Helmert-VCE-aided weighting method using phase delay data from Chinese VLBI Network

Liu

Yan

et al. 2020

Advances in Space Research

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Introductionmentioning

confidence: 99%

Precise positioning of Chang’e 3 lander based on Helmert-VCE-aided weighting method using phase delay data from Chinese VLBI Network

Liu

Yan

et al. 2020

Advances in Space Research

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“…The former concerns positioning of the rover w.r.t. the lander with meter-level accuracy (Zhou et al 2015). Examples for the latter are utilization of photogrammetry images taken from a Chinese orbiter (Liu et al 2015b) or by the Lunar Reconnaissance Orbiter (LRO) Narrow Angle Camera (NAC) (Tooley et al 2010), leading to position estimates with an accuracy of better than 20 m (Liu et al 2015a).…”

Section: Introductionmentioning

confidence: 99%

Position determination of the Chang’e 3 lander with geodetic VLBI

Kłopotek

Hobiger

Haas

et al. 2019

Earth Planets Space

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We present results from the analysis of observations of the Chang'e 3 lander using geodetic Very Long Baseline Interferometry. The applied processing strategy as well as the limiting factors to our approach is discussed. We highlight the current precision of such observations and the accuracy of the estimated lunar-based parameters, i.e., the lunar lander's Moon-fixed coordinates. Our result for the position of the lander is 44.12193 • N , − 19.51159 • E and − 2637.3 m, with horizontal position uncertainties on the lunar surface of 8.9 m and 4.5 m in latitude and longitude, respectively. This result is in good agreement with the position derived from images taken by the Narrow Angle Camera of the Lunar Reconnaissance Orbiter. Finally, we discuss potential improvements to our approach, which could be used to apply the presented concept to high-precision lunar positioning and studies of the Moon.

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“…The Chang'E-3 (CE-3) mission used the same-beam phase-referencing to obtain horizontal position estimates of the lunar rover w.r.t. the lander with a meter-level accuracy (Zhou et al 2015). Another technique used in the course of this mission was the X-band two-way Doppler tracking, characterized by the measurement precision of about 0.2 mm/s (Wenlin et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Geodetic VLBI with an artificial radio source on the Moon: a simulation study

Kłopotek

Hobiger

Haas

2017

J Geod

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We perform extensive simulations in order to assess the accuracy with which the position of a radio transmitter on the surface of the Moon can be determined by geodetic VLBI. We study how the quality and quantity of geodetic VLBI observations influence these position estimates and investigate how observations of such near-field objects affect classical geodetic parameters like VLBI station coordinates and Earth rotation parameters. Our studies are based on today's global geodetic VLBI schedules as well as on those designed for the next-generation geodetic VLBI system. We use Monte Carlo simulations including realistic stochastic models of troposphere, station clocks, and observational noise. Our results indicate that it is possible to position a radio transmitter on the Moon using today's geodetic VLBI with a two-dimensional horizontal accuracy of better than one meter. Moreover, we show that the nextgeneration geodetic VLBI has the potential to improve the two-dimensional accuracy to better than 5 cm. Thus, our results lay the base for novel observing concepts to improve both lunar research and geodetic VLBI.

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Relative position determination between Chang’E-3 lander and rover using in-beam phase referencing

Abstract: Relative position determination of a lunar rover using the biased differential phase delay of same-beam VLBI SCIENCE CHINA Physics, Mechanics & Astronomy 54, 2284 (2011); Relative position determination of a lunar rover using high-accuracy multi-frequency same-beam VLBI †

Cited by 8 publications

References 15 publications

Precise positioning of Chang’e 3 lander based on Helmert-VCE-aided weighting method using phase delay data from Chinese VLBI Network

Precise positioning of Chang’e 3 lander based on Helmert-VCE-aided weighting method using phase delay data from Chinese VLBI Network

Position determination of the Chang’e 3 lander with geodetic VLBI

Geodetic VLBI with an artificial radio source on the Moon: a simulation study

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