| 基于相关滤波技术的SO2气体浓度监测系统设计 |
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| 引用本文： | 姚娜,张记龙,王志斌,王相如,张跃国.基于相关滤波技术的SO2气体浓度监测系统设计[J].自动化与仪表,2011,26(4). |
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| 作者姓名： | 姚娜 张记龙 王志斌 王相如 张跃国 |
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| 作者单位： | 1. 中北大学光电信息与仪器工程技术研究中心,太原,030051
2. 中北大学光电信息与仪器工程技术研究中心,太原,030051;中北大学仪器科学与动态测试教育部重点实验室,太原,030051 |
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| 基金项目： | 科技部国际合作项目，山西省国际合作计划，山西省科技攻关项目，山西省科技平台建设 |
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| 摘 要： | 介绍一种基于相关滤波技术的非分散红外SO2气体浓度测量方法.该方法是在相关运算原理和SO2红外吸收特性基础上,结合相关检测和气体滤波技术,有效解决了近年来空气中SO2污染严重且在非分散红外SO2检测系统中噪声干扰大的问题,实现了对微弱光信号的调制和检测,并实现了新型SO2浓度监测仪的设计.试验表明,系统有10(-6)的检测灵敏度.
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| 关 键 词： | 相关滤波技术 非分散红外 微弱光信号 二氧化硫 |
Detection System of SO2 Concentration Based on Gas Filter Correlation Technology |
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| YAO Na,ZHANG Ji-long,WANG Zhi-bin,WANG Xiang-ru,ZHANG Yue-guo.Detection System of SO2 Concentration Based on Gas Filter Correlation Technology[J].Automation and Instrumentation,2011,26(4). |
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| Authors: | YAO Na ZHANG Ji-long WANG Zhi-bin WANG Xiang-ru ZHANG Yue-guo |
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| Affiliation: | YAO Na1,ZHANG Ji-long1,2,WANG Zhi-bin1,WANG Xiang-ru1,ZHANG Yue-guo1(1.Engineering Technology Research Center for Opto-Electronic Information and Instrument,North University of China,Taiyuan 030051,China,2.Key Laboratory of Instrumentation Science and Dynamic Measurement,Ministry of Education,China) |
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| Abstract: | A method of non-dispersion infrared absorption technology based on gas filter correlation technology for measuring SO2 is described in this paper.Based on the correlation operation principle and the gas characteristics absorption in infrared region,the method combining correlation technology and gas filter correlation(GFC) technology effectively solves the problems that SO2 air pollution in china is serious in recent years and atmosphere SO2 detection with non-dispersion Infrared system faces the problem of... |
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| Keywords: | gas filter correlation technology non-dispersion infrared feeble spectrum signal SO2 |
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