Design and Implementation of Payload System in Chang’e–4 Mission

doi:10.15982/j.issn.2095-7777.2017.06.003

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Journal of Deep Space Exploration ›› 2017, Vol. 4 ›› Issue (6) : 515-521. DOI: 10.15982/j.issn.2095-7777.2017.06.003

XUE Changbin¹, ZHOU Qing^1,2, WANG Lei¹, GENG Hao¹, LIU Peng¹, ZHU Chongyang¹, ZHANG Wenzhang¹, XU Xinfeng¹, LI Jun¹

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Abstract

Chinese Chang’e-4 probe will become the first man-made spacecraft to soft land on the far side of the Moon. The spacecraft is equipped with diverse scientific payloads. The Chang’e-4 mission is analyzed，the design and implementation methods to meet the scientific objectives and exploration mission is introduced. Meanwhile，the first international cooperated scientific payload program in Chinese deep space exploration is also introduced. One of the highlighted scientific objectives of Chang’e-4 mission is low frequency radio exploration in the clean electromagnetic environment on the far side of the Moon by a Chinese very low frequency radio spectrometer（VLFRS）and a Netherlands–China long–wavelength explorer（NCLE），configured on the lander and the relay satellite separately. Because Solar low frequency electric field signal is extremely weak，how to eliminate the near field noise emission from electronic equipment on the spacecraft is the main problem of this task. The noise rejection of not less than 30 dB is realized by optimizing the receiving antennas design and data processing algorithms on the ground，which can fulfill the scientific task.

Keywords

lunar and deep space exploration / payload / far side of the Moon / low frequency radio exploration / international cooperation

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XUE Changbin, ZHOU Qing, WANG Lei, GENG Hao, LIU Peng, ZHU Chongyang, ZHANG Wenzhang, XU Xinfeng, LI Jun. Design and Implementation of Payload System in Chang’e–4 Mission. Journal of Deep Space Exploration, 2017, 4(6): 515‒521 https://doi.org/10.15982/j.issn.2095-7777.2017.06.003

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