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- W3148093239 abstract "To meet the needs of high accuracy relative position determination in deep space explorations,a new method is proposed based on the same beam phase-referencing imaging technique that originates from the radio astronomy.Firstly,the same beam phase-referencing imaging measurement model for spacecraft positioning is built.The very long baseline interferometry(VLBI)imaging principle and the phase difference between two spacecrafts are derived.Then,two precision affecting factors are analyzed,including the signal bandwidth and the UV coverage.The dirty beams formed by different station numbers and different observation lengths with the Chinese interferometry network are simulated.Finally,with the same beam observation data of the Chang'E-3lander and rover from the Chinese VLBI network(CVN)on December 15,20 and 21,2013,the Yutu rover lunar surface positions are determined with accuracy of about 1meter.The results show the feasibility and high accuracy of this method,which is well-adapted to the spacecraft signals without special beacons." @default.
- W3148093239 created "2021-04-13" @default.
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- W3148093239 date "2015-01-01" @default.
- W3148093239 modified "2023-09-26" @default.
- W3148093239 title "Relative Position Determination between Deep-space Probes Based on Same Beam Phase-referencing Imaging Technique" @default.
- W3148093239 hasPublicationYear "2015" @default.
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