Journal of Jilin University(Earth Science Edition) ›› 2018, Vol. 48 ›› Issue (2): 445-450.doi: 10.13278/j.cnki.jjuese.20170255

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Analysis of APXS Characteristic X-Ray Energy Spectrum Information of Chang'e-3 Yutu Lunar Rover

Liu Jinghua1, Wang Wenhua2, Chen Shengbo1, Zhou Dapeng3   

  1. 1. College of GeoExploration Science and Technology, Jilin University, Changchun 130026, China;
    2. College of Earth Sciences, Jilin University, Changchun 130061, China;
    3. Zhongxing Telecommunication Equipment Corporation, Xi'an 710065, China
  • Received:2017-09-29 Online:2018-03-26 Published:2018-03-26
  • Supported by:
    Supported by National Natural Science Foundation of China (41372337,41373068)

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Abstract: Alpha Particle X-Ray Spectrometer (APXS) is one of the payloads of Chang'e-3 Yutu Lunar Rover for China's Exploration Project. Based on the raw data processing, which acquired by APXS, the accumulated characteristic X-ray count rate spectrum were obtained. After the data filtering with wavelet filter, the influences of radioactivity fluctuation were eliminated. By using the energy calibration formula, the lunar regolith's elemental characteristic X-ray energy spectrum was obtained. Through an analysis, the elemental composition of the lunar regolith at the lunar rover landing point consists of Si, Ca, Al, Mg, K, P, S, Fe, Ti, Ni, Cr, Mo, Sr, Y, Zr, and Nb. This result provides certain favorable parameter constraints for the research on the lunar crust geological evolution.

Key words: elemental characteristic X-ray, lunar surface element, Chang'e-3, characteristic X-ray spectrum

CLC Number: 

  • P184
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