Design of lunar based square kilometer array radio telescope antenna

doi:10.16708/j.cnki.1000-758X.2025.0026

Chinese Space Science and Technology ›› 2025, Vol. 45 ›› Issue (2): 88-93.doi: 10.16708/j.cnki.1000-758X.2025.0026

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Design of lunar based square kilometer array radio telescope antenna

LIU Jia¹， WAN Jixiang^1，*， WU Chunbang¹， WANG Hao¹， ZHANG Qiaoshan¹， GUO Quan²， ZHANG Pengfei³， JIANG Ming³

1．Academy of Space Information Systems， Xi‘’an 710100， China
2．Shanghai Astronomy Observatory CAS， Shanghai 200030， China
3．Xidian University， Xi‘’an 710071， China

Received:2023-12-04 Revision received:2023-12-30 Accepted:2024-12-12 Online:2025-03-13 Published:2025-04-01

Abstract

Abstract: Due to strong ionospheric distortions and Radio Frequency Interference (RFI)， radio astronomy observation at frequencies below 30MHz is not feasible on earth. And the launched orbital detectors cannot meet the needs of high resolution and sensitivity observation. A lunar based square kilometers radio telescope antenna array is proposed in this paper. And the aspects of scientific objectives analysis， technical index demonstration， and project implementation scheme are detailed discussed. The corresponding technical route and realization way are given too. All of these are aiming at providing strong technical support for the development of space ultra-long wave radio astronomy observation in the future.

Key words: ultra-long wave, lunar-based, antenna array, sensitivity, resolution

LIU Jia, WAN Jixiang, WU Chunbang, WANG Hao, ZHANG Qiaoshan, GUO Quan, ZHANG Pengfei, JIANG Ming. Design of lunar based square kilometer array radio telescope antenna[J]. Chinese Space Science and Technology, 2025, 45(2): 88-93.

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https://journal26.magtechjournal.com/kjkxjs/EN/Y2025/V45/I2/88

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Design of lunar based square kilometer array radio telescope antenna

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