A new method to estimate soil organic matter using the combination model based on short memory fractional order derivative and machine learning model

Chengbiao Fu,Shu Gan,Heigang Xiong,Anhong Tian

Infrared Physics & Technology（2023）

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摘要

•A new method based on SMFOD is proposed to preprocess soil hyperspectral data.•Comparison of inversion accuracy based on SMFOD and GMFOD.•Prediction of soil organic matter by machine learning model based on RBF and ELM.

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关键词

Soil organic matter,Visible and near infrared spectroscopy,Short memory fractional order derivative,Global memory fractional order derivative,Machine learning model

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