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Wavelet denoising method for laser-induced breakdown spectroscopy
Zhang B(张博); Sun LX(孙兰香); Yu HB(于海斌); Xin Y(辛勇); Cong ZB(丛智博)
作者部门工业控制网络与系统研究室
关键词Atomic Emission Spectroscopy
发表期刊Journal of Analytical Atomic Spectrometry
ISSN0267-9477
2013
卷号28期号:12页码:1884-1893
收录类别SCI ; EI
EI收录号20134716997082
WOS记录号WOS:000326981300003
产权排序1
摘要The wavelet threshold denoising method is an effective noise suppression approach for noisy laser-induced breakdown spectroscopy spectrum. The wavelet threshold denoising method is influenced by several key issues such as the choice of wavelet, the choice of decomposition level, threshold selection, and the choice of thresholding functions. In this paper, the double threshold optimization models of semi-soft thresholding function are established firstly. Next, on the basis of grey relational analysis and Euclid closeness of fuzzy theory, a method of amending the double thresholds of semi-soft thresholding function is put forward. The performance of the proposed method is verified by analysis of both synthetic and observed signals. The limit of detection values are reduced by more than 50% and the signal to noise ratios are improved by a factor of two by using the proposed method. © 2013 The Royal Society of Chemistry.
语种英语
WOS标题词Science & Technology ; Physical Sciences ; Technology
WOS类目Chemistry, Analytical ; Spectroscopy
关键词[WOS]TRANSFORM ; SHRINKAGE ; NOISE ; OPTIMIZATION ; SIGNALS ; DOMAIN
WOS研究方向Chemistry ; Spectroscopy
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/13999
专题工业控制网络与系统研究室
通讯作者Sun LX(孙兰香)
作者单位1.Lab. of Networked Control Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of the Chinese Academy of Sciences, Beijing 100039, China
推荐引用方式
GB/T 7714
Zhang B,Sun LX,Yu HB,et al. Wavelet denoising method for laser-induced breakdown spectroscopy[J]. Journal of Analytical Atomic Spectrometry,2013,28(12):1884-1893.
APA Zhang B,Sun LX,Yu HB,Xin Y,&Cong ZB.(2013).Wavelet denoising method for laser-induced breakdown spectroscopy.Journal of Analytical Atomic Spectrometry,28(12),1884-1893.
MLA Zhang B,et al."Wavelet denoising method for laser-induced breakdown spectroscopy".Journal of Analytical Atomic Spectrometry 28.12(2013):1884-1893.
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