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A method for resolving overlapped peaks in laser-induced breakdown spectroscopy (LIBS)
Zhang B(张博); Yu HB(于海斌); Sun LX(孙兰香); 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Curve Fitting Data Processing
发表期刊Applied Spectroscopy
ISSN0003-7028
2013
卷号67期号:9页码:1087-1097
收录类别SCI ; EI
EI收录号20133716723613
WOS记录号WOS:000323805800014
产权排序1
摘要Spectral peak overlapping is a basic problem in analytical data processing of laser-induced breakdown spectroscopy (LIBS). Curve fitting is the typical method of resolving overlapped peaks. For preventing ambiguous fitting, appropriate initial values must be known. The aim of this work was to present a method that could be used to determine appropriate initial values of the curve-fitting method by using fractional differential theory. According to the variation of characteristic points of Lorentzian peaks at different fractional differential orders, parameter estimators were obtained that were used to calculate the initial values of the curve-fitting method. As it is a widely used optimization method, the Levenberg-Marquardt method was used in curve fitting. Simulation and LIBS experimental results proved that the proposed method of the initial value estimation can effectively resolve the overlapped peaks in LIBS data processing.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Instruments & Instrumentation ; Spectroscopy
关键词[WOS]DECONVOLUTION
WOS研究方向Instruments & Instrumentation ; Spectroscopy
引用统计
被引频次:16[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/173321/12543
专题工业控制网络与系统研究室
通讯作者Zhang B(张博); Sun LX(孙兰香)
作者单位1.Key Laboratory of Industrial Informatics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Graduate School, Chinese Academy of Sciences, Beijing 100039, China
推荐引用方式
GB/T 7714
Zhang B,Yu HB,Sun LX,et al. A method for resolving overlapped peaks in laser-induced breakdown spectroscopy (LIBS)[J]. Applied Spectroscopy,2013,67(9):1087-1097.
APA Zhang B,Yu HB,Sun LX,Xin Y,&Cong ZB.(2013).A method for resolving overlapped peaks in laser-induced breakdown spectroscopy (LIBS).Applied Spectroscopy,67(9),1087-1097.
MLA Zhang B,et al."A method for resolving overlapped peaks in laser-induced breakdown spectroscopy (LIBS)".Applied Spectroscopy 67.9(2013):1087-1097.
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