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差分吸收光谱技术检测H2S气体浓度的反演算法研究
Inversion Algorithms for Detecting H2S Gas Concentration by Differential Absorption Spectroscopy
投稿时间:2019-05-28  修订日期:2019-06-23
中文关键词:差分吸收光谱  遗传算法  灾变  H2S气体
英文关键词:Differential absorption spectroscopy  Genetic algorithm  Catastrophe  H2S gas
基金项目:1、国家自然科学基金:油气勘探硫化氢气体浓度光电集成传感机理研究(41474121) 2、河北省科技厅2018年创新能力软科学研究项目(184576437)
作者单位E-mail
陈书旺 河北科技大学 1101929147@qq.com 
尹晓伟 河北科技大学 1101929147@qq.com 
王真真 河北科技大学  
宋彤彤 河北科技大学  
宋树丽 河北科技大学  
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中文摘要:
      传统差分吸收光谱法对于H2S气体浓度检测原理简单,检测精准,反应速度较快,但在低浓度、光程较短的环境中会产生较大的误差。本文在传统的差分吸收算法的基础上,采用遗传算法对低浓度H2S气体进行反演,但遗传算法容易发生过早收敛,从而陷入局部最优,设计了灾变优化后的遗传算法对H2S气体浓度进行反演。结果表明,该方法对低浓度H2S气体有较高的测量精度,与传统的差分吸收光谱法结合得到更宽的检测范围。
英文摘要:
      The traditional differential absorption spectroscopy method has simple detection principle for H2S gas concentration detection, accurate detection and fast reaction speed. However, large errors occur in environments with low concentrations and short optical paths. This paper is based on the traditional differential absorption algorithm. Inversion of low concentration H2S gas using genetic algorithm, But the genetic algorithm is prone to premature convergence and thus falls into local optimum. The genetic algorithm after disaster optimization was designed to invert the H2S gas concentration. The results show that the method has high measurement accuracy for low concentration H2S gas, and combines with traditional differential absorption spectroscopy to obtain a wider detection range.
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