Improvement of DOAS Technology in the Application of Mixed Gas Quantitative Analysis

Xue Gang Li; Xiu Ling Lv; Yi Zhang

doi:10.4028/www.scientific.net/AMR.753-755.2265

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 753-755Improvement of DOAS Technology in the Application...

Improvement of DOAS Technology in the Application of Mixed Gas Quantitative Analysis

Abstract:

According to difference absorption spectrum mixed gas absorption spectrum in technology overlapping problem, a DOAS technology based on the PSO and LS-SVM fusion method was proposed. First, SO₂, NO respectively to construct a quantitative analysis model by LS-SVM, And then, using PSO is strong optimization ability of least square support vector machine (SVM) the optimization of the parameters of the algorithm, and then, LS-SVMs parameter are optimized with PSO of the powerful searching ability, Finally, rebuilt the quantitative analysis model. Experiments show that using the improved DOAS method is feasible in solving the mixed gas spectrum overlap problem which has certain practical significance.

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Periodical:

Advanced Materials Research (Volumes 753-755)

Pages:

2265-2268

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.753-755.2265

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Online since:

August 2013

Authors:

Xue Gang Li*, Xiu Ling Lv, Yi Zhang

Keywords:

DOAS, Least Squares Support Vector Machines (Ls-SVM), Particle Swarm Optimization (PSO), Principal Component Analysis (PCA), Quantitative Analysis

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