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Waveband selection for NIR spectroscopy analysis of soil organic matter based on SG smoothing and MWPLS methods
其他题名论文其他题名
Chen H. Z.; Pan T.; Chen J. M.; Lu Q. P.
2011
发表期刊Chemometrics and Intelligent Laboratory Systems
ISSN0169-7439
卷号107期号:1页码:139-146
摘要Savitzky-Golay (SG) smoothing and moving window partial least square (MWPLS) methods were applied to the model optimization and the waveband selection for near-infrared (NIR) spectroscopy analysis of soil organic matter. The optimal single wavelength prediction bias (OSWPB) was used to evaluate the similarity of calibration set and prediction set, and a new division method for calibration set and prediction set was proposed. SG smoothing modes were expanded to 540 kinds. The specific computer algorithm platforms for optimization of SG smoothing mode combined with PLS factor and for MWPLS method with changeable parameters were built up. The optimal waveband for soil organic matter was 1926-2032 nm, the optimal smoothing mode was the 2nd order derivative, 6th degree polynomial, 45 smoothing points, the PLS factor, RMSEP and R(P) were 8, 0.260 (%) and 0.877 respectively. The prediction effect was obviously better than that in the whole spectral collecting region. To get stable results, all the optimization processes were based on the average prediction effect on 50 different divisions of calibration set and prediction set. (C) 2011 Elsevier B.V. All rights reserved.
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/24724
专题中科院长春光机所知识产出
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Chen H. Z.,Pan T.,Chen J. M.,et al. Waveband selection for NIR spectroscopy analysis of soil organic matter based on SG smoothing and MWPLS methods[J]. Chemometrics and Intelligent Laboratory Systems,2011,107(1):139-146.
APA Chen H. Z.,Pan T.,Chen J. M.,&Lu Q. P..(2011).Waveband selection for NIR spectroscopy analysis of soil organic matter based on SG smoothing and MWPLS methods.Chemometrics and Intelligent Laboratory Systems,107(1),139-146.
MLA Chen H. Z.,et al."Waveband selection for NIR spectroscopy analysis of soil organic matter based on SG smoothing and MWPLS methods".Chemometrics and Intelligent Laboratory Systems 107.1(2011):139-146.
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