3D Fluorescence Spectra Combined with Tchebichef Moments for Rapid Identification of Doping Sesame Oil

被引：0
|
作者：
Pan Z. [1 ]
Cui Y.-Y. [1 ,2 ]
Wu X.-J. [1 ]
Liu T.-T. [1 ]
Yuan Y.-Y. [1 ]
机构：
[1] Key Lab of Measurement Technology and Instrumentation of Hebei Province, Yanshan University, Qinhuangdao
[2] College of Information Science and Engineering, Yanshan University, Qinhuangdao
来源：
Wu, Xi-Jun (wuxijun@ysu.edu.cn) | 2018年 / Editorial Office of Chinese Optics卷 / 39期
基金：
中国国家自然科学基金;
关键词：
Adulteration identification; Clustering analysis; Quantitative analysis; Tchebichef moments; Three-dimensional fluorescence spectroscopy;
D O I：
10.3788/fgxb20183904.0568
中图分类号：
学科分类号：
摘要：
The three-dimensional fluorescence spectra of the samples were measured by FS920 fluorescence spectrometer, and the characteristic information of three-dimensional spectral grayscale was extracted directly by Tchebichef moments. And then, the cluster analysis was carried out. Finally, a linear model of each component in the sample was established by the stepwise regression. Clustering analysis can identify doping sesame oil with a high recognition rate and can correctly analyze its constituent components. R-squared of the obtained linear model is greater than 0. 99. The results show that Tchebichef moments can effectively extract the characteristic information of the spectrum and can be used to identify the doping sesame oil and obtain good qualitative and quantitative analysis results. © 2018, Science Press. All right reserved.
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页码：568 / 572
页数：4
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