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SPECTROSCOPY AND SPECTRAL ANALYSIS  2021, Vol. 41 Issue (05): 1625-1630    DOI: 10.3964/j.issn.1000-0593(2021)05-1625-06
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A Comparative Study of the Hyperspectral Inversion Models Based on the PCA for Retrieving the Cd Content in the Soil
GUO Fei1, 2, XU Zhen3*, MA Hong-hong1, 2, LIU Xiu-jin1, 2, YANG Zheng1, 2, TANG Shi-qi1, 2
1. Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China
2. Research Center of Geochemical Survey and Assessment on Land Quality, China Geological Survey, Langfang 065000, China
3. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China