模拟月壤的Hapke模型参数反演方法
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中国科学院国家天文台,中国科学院国家天文台

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Hapke′s parameters inverse method of Lunar analog sample
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National Astronomical Observatories, Chinese Academy of Sciences,National Astronomical Observatories, Chinese Academy of Sciences

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    摘要:

    Hapke模型是描述行星表面光度行为的辐射传输模型,利用行星表面多角度反射率数据可以反演得到Hapke模型参数,研究行星表面的物理和光度特性.Hapke模型参数的反演需要覆盖相角范围足够大的反射率数据,而行星遥感和就位探测时很难覆盖足够大的相角范围.因此,如何利用有限的多角度数据获取准确的模型参数是一个重要的研究课题.实验室提供了获取大范围角度下反射率数据的实验条件,可以在实验室条件下研究Hapke模型参数反演方法.通过实验室ASD光谱仪和Chang’E-3红外成像光谱仪鉴定件获取的橄榄石和模拟月壤多角度反射率数据进行实验,结果表明有限观测角度可以获取比较准确的模型参数;通过分析Hapke模型参数得到橄榄石和两种模拟月壤的光度和物理特征.

    Abstract:

    Hapke model has been widely used in the photometric study of regolith as the parameters has specific photometric and physical meaning. To reverse these parameters, photometric observations are needed for a wide range of incidence, emission, and phase angles of the regolith. However, it is difficult to have such wide range angles in the remote sensing and in situ observation. So, it is very important to know how we can get precise result with the limited observations and we can do the research at laboratory. In this work, we got the reflectance of olivine with large range of phase angle by ASD spectrometer and got reflectance of two kinds of Lunar analog samples by Chang’E-3 VIS-NIR Imaging Spectrometer. Also we learned how to reverse Hapke model parameters. As a result, we find that we can get accurate result with limited measurements. Also, we have got some result of two Lunar analog samples (one with glass and the other without glass) with analysis of relative parameters of Hapke model.

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许学森,刘建军,刘斌,刘大卫.模拟月壤的Hapke模型参数反演方法[J].红外与毫米波学报,2018,37(2):227~234]. XU Xue-Sen, LIU Jian-Jun, LIU Bin, LIU Da-Wei. Hapke′s parameters inverse method of Lunar analog sample[J]. J. Infrared Millim. Waves,2018,37(2):227~234.]

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  • 收稿日期:2017-07-18
  • 最后修改日期:2018-01-16
  • 录用日期:2017-10-12
  • 在线发布日期: 2018-05-03
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