Ground-based verification and data processing of Yutu roverActive Particle-induced X-ray Spectrometer

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GUO Dong-Ya, WANG Huan-Yu, PENG Wen-Xi, CUI Xing-Zhu, ZHANG Cheng-Mo, LIU Ya-Qing, LIANG Xiao-Hua, DONG Yi-Fan, WANG Jin-Zhou, GAO Min, YANG Jia-Wei, ZHANG Jia-Yu, LI Chun-Lai, ZOU Yong-Liao, ZHANG Guang-Liang, ZHANG Li-Yan and FU Xiao-Hui. Ground-based verification and data processing of Yutu roverActive Particle-induced X-ray Spectrometer[J]. Chinese Physics C, 2015, 39(7): 076002. doi: 10.1088/1674-1137/39/7/076002
GUO Dong-Ya, WANG Huan-Yu, PENG Wen-Xi, CUI Xing-Zhu, ZHANG Cheng-Mo, LIU Ya-Qing, LIANG Xiao-Hua, DONG Yi-Fan, WANG Jin-Zhou, GAO Min, YANG Jia-Wei, ZHANG Jia-Yu, LI Chun-Lai, ZOU Yong-Liao, ZHANG Guang-Liang, ZHANG Li-Yan and FU Xiao-Hui. Ground-based verification and data processing of Yutu roverActive Particle-induced X-ray Spectrometer[J]. Chinese Physics C, 2015, 39(7): 076002.  doi: 10.1088/1674-1137/39/7/076002 shu
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Received: 2014-10-08
Revised: 2015-03-09
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Ground-based verification and data processing of Yutu roverActive Particle-induced X-ray Spectrometer

    Corresponding author: PENG Wen-Xi,

Abstract: The Active Particle-induced X-ray Spectrometer (APXS) is one of the payloads on board the Yutu rover of the Chang'E-3 mission. In order to assess the instrumental performance of APXS, a ground verification test was performed for two unknown samples (basaltic rock, mixed powder sample). In this paper, the details of the experiment configurations and data analysis method are presented. The results show that the elemental abundance of major elements can be well determined by the APXS with relative deviations <15 wt.% (detection distance=30 mm, acquisition time=30 min). The derived detection limit of each major element is inversely proportional to acquisition time and directly proportional to detection distance, suggesting that the appropriate distance should be <50 mm.

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