Laboratory spectroscopy of meteorite samples at UV-vis-NIR wavelengths: Analysis and discrimination by principal components analysis

被引：14

作者：

Penttila, Antti ^{[1
]}

Martikainen, Julia ^{[1
]}

Gritsevich, Maria ^{[1
]}

Muinonen, Karri ^{[1
,2
]}

机构：

[1] Univ Helsinki, Dept Phys, POB 64, FI-00014 Helsinki, Finland

[2] Natl Land Survey Finland, Finnish Geospatial Res Inst FGI, Geodeetinrinne 2, FI-02430 Masala, Finland

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2018年 / 206卷

基金：

欧洲研究理事会;

关键词：

Meteorites; spectroscopy; Principal component analysis; REFLECTANCE SPECTRA; SURFACE;

D O I：

10.1016/j.jqsrt.2017.11.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Meteorite samples are measured with the University of Helsinki integrating-sphere UV-vis-NIR spectrometer. The resulting spectra of 30 meteorites are compared with selected spectra from the NASA Planetary Data System meteorite spectra database. The spectral measurements are transformed with the principal component analysis, and it is shown that different meteorite types can be distinguished from the transformed data. The motivation is to improve the link between asteroid spectral observations and meteorite spectral measurements. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：189 / 197

页数：9

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