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Special Issue：Technology and Application of Deep Space Exploration
Special Issue：Technology and Application of Deep Space Exploration
Design and Verification of Relay Communication System During Entry Descent and Landing for Tianwen-1 Mars Probe
- ZHANG Ting, HAN Yu, SUN Zezhou, RAO Wei, QIANG Huiping, BAI Fan, XUE Ji
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Beijing Institute of Space System Engineering, Beijing 100094, China
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| Received |
Revised |
Published |
| 01 Nov 2021 |
30 Dec 2021 |
20 Jan 2022 |
| Issue Date |
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| 20 Feb 2022 |
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Abstract
Tianwen-1 Mars exploration mission is a mission for China to “Orbit, Fall and Patrol” Mars though a launch. Entry, Descent and Landing (EDL) of Mars exploration mission is a key part in the whole mission process. Based on the characteristics of relay communication task in this process, this paper introduces the relay communication system scheme and key technology of Tianwen-1 Mars probe adapted to the characteristics of complex timing，high autonomy, black barrier phenomenon and high dynamics of EDL segment communication task. At the same time, combined with the landing mission of Tianwen-1, the in orbit verification of relay communication in EDL is summarized and analyzed. The relay communication scheme proposed in this paper successfully supports the relay communication mission of the EDL section of the Mars Exploration of Tianwen-1.
Keywords
Tianwen-1 Mars probe /
Entry, Descent and Landing /
relay communication system
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ZHANG Ting, HAN Yu, SUN Zezhou, RAO Wei, QIANG Huiping, BAI Fan, XUE Ji.
Design and Verification of Relay Communication System During Entry Descent and Landing for Tianwen-1 Mars Probe. Journal of Deep Space Exploration, 2022, 9(1): 53‒61 https://doi.org/10.15982/j.issn.2096-9287.2022.20210131
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