Resolution enhancement of overlapped peaks of ion mobility spectrometry based on stationary wavelet transform

被引：6

作者：

Sheibani, Ali ^{[1
]}

Saeedi-Sourck, Hamid ^{[2
]}

Tabrizchi, Mahmoud ^{[3
]}

机构：

[1] Islamic Azad Univ, Yazd Branch, Dept Chem, Yazd, Iran

[2] Yazd Univ, Dept Elect Engn, Yazd, Iran

[3] Isfahan Univ Technol, Dept Chem, Esfahan, Iran

来源：

JOURNAL OF CHEMOMETRICS | 2017年 / 31卷 / 09期

关键词：

denoising; ion mobility spectrometry (IMS); overlapping peaks; resolution enhancement; stationary wavelet transform (SWT); MULTIVARIATE CURVE RESOLUTION; WARFARE AGENT SIMULANTS; FLOW-INJECTION ANALYSIS; DIODE-ARRAY DETECTION; LIQUID-CHROMATOGRAPHY; SPECTRA; COMPRESSION; SIMPLISMA; IDENTIFICATION; DECONVOLUTION;

D O I：

10.1002/cem.2911

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Lack of sufficient resolving power is one common problem in quantitative determination using ion mobility spectrometry (IMS) method. This paper proposes a new application of stationary wavelet transform (SWT) in resolving the overlapped peaks in IMS. Firstly, the ion product overlapped peaks are denoised by wavelet transform and secondly, the overlapping peaks are resolved by looking into coefficients of SWT. One- and two-component overlapping ion peaks of IMS are processed with the developed SWT method, which yields the significant improvement of resolution. Lack of sufficient resolving power is one common problem in quantitative determination using ion mobility spectrometry (IMS) method. This paper proposes a new application of stationary wavelet transform (SWT) in resolving the overlapped peaks in IMS. Firstly, the ion product overlapped peaks are denoised by wavelet transform and secondly, the overlapping peaks are resolved by looking into coefficients of SWT. One- and two-component overlapping ion peaks of IMS are processed with the developed SWT method, which yields the significant improvement of resolution.

引用

页数：9

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