基于LabVIEW的红外吸收光谱气体检测系统仿真与分析

2015 International Conference on Industrial Informatics - Computing Technology, Intelligent Technology, Industrial Information Integration Pub Date : 2015-12-03 DOI:10.1109/ICIICII.2015.125

Zhou Bin, W. Lei, Fan Pengcheng

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引用次数: 2

摘要

本文介绍了红外吸收光谱检测气体浓度的原理，以及基于LabVIEW的气体检测仿真系统的建模方法。在波长调制技术的基础上，通过锁相算法提取吸收光谱的二次谐波曲线，得到目标气体的浓度。通过改变目标气体浓度和调制系数的参数，得到了吸收曲线和二次谐波曲线的变化规律。为实际应用中气体检测系统的设计提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Simulation and Analysis of Gas Detection System in Infrared Absorption Spectrum Based on LabVIEW

The paper introduces the theory of gas concentration detection by infrared absorption spectrum and the modeling method of gas detection simulation system based on LabVIEW. On the basis of wavelength modulation technology, the second harmonic curve of the absorption spectrum is extracted by phase-locked algorithm and the concentration of the target gas can be obtained. By changing the parameters of the target gas concentration and modulation coefficients, the variation of the absorption curves and the second harmonic curves is acquired. It provides the reference for the design of gas detection system in practice.

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来源期刊

2015 International Conference on Industrial Informatics - Computing Technology, Intelligent Technology, Industrial Information Integration

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