Application of fractional-order derivative in the quantitative estimation of soil organic matter content through visible and near-infrared spectroscopy

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成果类型：

期刊论文

作者：

Hong, Yongsheng;Liu, Yaolin;Chen, Yiyun*;Liu, Yanfang*;Yu, Lei;...

通讯作者：

Chen, Yiyun;Liu, Yanfang

作者机构：

[Hong, Yongsheng; Chen, Yiyun; Liu, Yanfang; Cheng, Hang; Liu, Yaolin; Liu, Yi] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Hubei, Peoples R China.

[Hong, Yongsheng; Cheng, Hang; Liu, Yaolin; Chen, Yiyun; Liu, Yi; Liu, Yanfang] Wuhan Univ, Key Lab Geog Informat Syst, Minist Educ, Wuhan 430079, Hubei, Peoples R China.

[Yu, Lei] Cent China Normal Univ, Sch Urban & Environm Sci, Wuhan 430079, Hubei, Peoples R China.

[Yu, Lei] Cent China Normal Univ, Key Lab Geog Proc Anal & Simulat Hubei Prov, Wuhan 430079, Hubei, Peoples R China.

通讯机构：

[Chen, YY; Liu, YF] W

Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Hubei, Peoples R China.

语种：

英文

关键词：

Correlation coefficient;Fractional-order derivative;Soil organic matter;Support vector machine;Vis-NIR spectroscopy

期刊：

Geoderma

ISSN：

0016-7061

年：

2019

卷：

337

页码：

758-769

DOI：

10.1016/j.geoderma.2018.10.025

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41771440, 41501444]

机构署名：

本校为其他机构

院系归属：

城市与环境科学学院

摘要：

The spectral preprocessing method has become an integral component of soil analysis through visible and near-infrared (Vis-NIR) spectroscopy. Various spectral pretreatment techniques are applied to improve model accuracy by removing undesired side effects, such as spectral noise, baseline shift, and light scattering, and by accentuating spectral features. Conventional integer-order derivatives (i.e., first and second derivatives), which represent specific cases of fractional-order derivatives (FODs), may neglect some detailed spectral informati...

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Application of fractional-order derivative in the quantitative estimation of soil organic matter content through visible and near-infrared spectroscopy

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