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http://dx.doi.org/10.5762/KAIS.2012.13.5.2298

Noise Characteristic Analysis of X-Ray Fluorescence Spectrum  

Lee, Jae-Hwan (Div. of Engineering Electronic and Information, Chonbuk National University)
Chon, Sun-Il (Div. of Engineering Electronic and Information, Chonbuk National University)
Yang, Sang-Hoon (Div. of Engineering Electronic and Information, Chonbuk National University)
Park, Dong-Sun (IT Convergence Research Center, Chonbuk National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.5, 2012 , pp. 2298-2304 More about this Journal
Abstract
X-ray fluorescence spectrum analysis method can be applied in many areas, including concentration analysis of RoHS elements and heavy metals etc. and we can get analysis results in a relatively short time. Because X-ray fluorescence spectrum has noises and several artifacts that lowers the accuracy of the analysis. This paper analyzes the characteristics of the noise of the X-ray fluorescence spectrum to increase the accuracy of analysis. X-ray fluorescence spectrum have the characteristics of shot noise (Poisson noise), so the noise size is relatively large in the small signal portion and the noise the size is relatively small in the large part of the signal. Existing methods of analysis and to remove noises is a method for general purposes algorithm. Since these algorithm does not reflect these noise characteristics, we get distorted analysis result. We can design efficient noise remove algorithm based on the accurate noise analysis method, and we expect high accuracy results of the elemental concentration analysis result.
Keywords
X-Ray Fluorescence; Spectrum; Poisson Noise;
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Times Cited By KSCI : 1  (Citation Analysis)
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