Automatic baseline correction method for the open-path Fourier transform infrared spectra by using simple iterative averaging

被引：48

作者：

Shen, Xianchun ^{[1
,2
]}

Xu, Liang ^{[1
]}

Ye, Shubin ^{[2
]}

Hu, Rong ^{[2
]}

Jin, Ling ^{[1
]}

Xu, Hanyang ^{[1
]}

Liu, Wenqing ^{[1
]}

机构：

[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China

[2] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 10期

基金：

中国国家自然科学基金;

关键词：

WAVELET TRANSFORM;

D O I：

10.1364/OE.26.00A609

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It's necessary to remove the baseline from the spectra, which measured by open-path Fourier transform infrared spectrometry, for further spectral analysis such as qualitative and quantitative analysis. An automatic baseline correction method, the Iterative Averaging method, is presented. Baseline corrected by this method is accurate, and it also shows more precise than other methods when it is applied to Fourier Transform Infrared experimental spectra and simulated data. This method solves the key technology of the real-time on-line spectral analysis of OP-FTIR and improves the capability and adaptability of the unsupervised on-line system effectively. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：A609 / A614

页数：6

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