低浓度烟气分析仪紫外差分算法研究

Research on Ultraviolet Differential Algorithm for Low Concentration Flue Gas Analyzer

以低浓度烟气分析仪项目的研发为背景,介绍了系统的硬件结构和接口、技术参数、系统特点、运行条件,对紫外差分算法(DOAS)的原理及实现进行研究,介绍差分吸光度的传统计算方法及替代方法,分析论述影响算法结果的因素及对应解决措施,总结算法的具体实现步骤和要点,阐述该算法的局限性,提出算法的后续改进方向。

Taking the research and development of the low concentration flue gas analyzer project as the background, the hardware structure and interface, technical parameters, system characteristics and operating conditions of the system are introduced. This paper studies the principle and implementation of ultraviolet Differential Optical Absorption Spectroscopy(DOAS) algorithm, introduces the traditional calculation methods and alternative methods of differential absorbance. It analyzes and discusses the factors affecting the algorithm results and corresponding solutions, summarizes the specific implementation steps and key points of the algorithm, describes the limitations of the algorithm, and proposes the future improvement direction of the algorithm.