Design of a reflector antenna for Zhu-Rong Mars rover

doi:10.16708/j.cnki.1000-758X.2022.0073

Chinese Space Science and Technology ›› 2022, Vol. 42 ›› Issue (5): 117-124.doi: 10.16708/j.cnki.1000-758X.2022.0073

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Design of a reflector antenna for Zhu-Rong Mars rover

LIU Zhijia，DUAN Jiangnian，HOU Qinfang，SUN Dayuan，ZHUANG Jianlou， LU Fan，LI Fan

1 Beijing Institute of Spacecraft System Engineering，Beijing 100094,China
2 Beijing Engineering Research Center of EMC and Antenna Test Technology，Beijing 100094,China
3 Institute of Telecommunication and Navigation Satellites,CAST,Beijing 100094,China

Published:2022-09-09 Online:2022-09-09

Abstract

Abstract: Considering the requirement of TianWen-1 Zhu-Rong Mars rover′s communication,an X band compact broadband circular polarization reflector antenna was introduced.The novel integrated compact feed technology with length and aperture reduced by 20% was adopted in this reflector.This new feed technology can improve the aperture efficiency of the reflector antenna,and resist the impact of Martian dust.The X-band reflector was optimized,fabricated,and measured.The measured results show that the antenna can reach 62.3% aperture efficiency from 7.1GHz to 8.4GHz frequency band as well as obtain better performance in terms of the gain,the VSWR(voltage standing wave ratio),and the circular polarization in the operating frequency band of the deep space exploration.This novel reflector antenna has been successfully applied to Zhu-Rong Mars rover.

Key words: Zhu-Rong Mars rover, reflector antenna, wideband circular polarization, compact feed, Mars dust

LIU Zhijia, DUAN Jiangnian, HOU Qinfang, SUN Dayuan, ZHUANG Jianlou, LU Fan, LI Fan. Design of a reflector antenna for Zhu-Rong Mars rover[J]. Chinese Space Science and Technology, 2022, 42(5): 117-124.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2022.0073

https://journal26.magtechjournal.com/kjkxjs/EN/Y2022/V42/I5/117

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Design of a reflector antenna for Zhu-Rong Mars rover

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