| 基于相关滤波技术的红外SO2传感器信号处理电路设计 |
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| 引用本文： | 姚娜.基于相关滤波技术的红外SO2传感器信号处理电路设计[J].湖北邮电技术,2014(5):69-71. |
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| 作者姓名： | 姚娜 |
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| 作者单位： | 山西传媒学院,山西晋中030619 |
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| 摘 要： | 为了提高二氧化硫浓度测量系统的检测灵敏度,基于微弱信号检测特点,结合相关滤波技术和红外吸收原理,设计了以相关检测技术为核心的微弱信号数据处理电路,提高了系统的检测灵敏度,电路结构可靠、简单、实用。在实验室条件下,对该系统进行了二氧化硫浓度的性能测试,并对实验数据进行了有效的分析和拟合处理,给出了二氧化硫浓度与电压的关系式。
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| 关 键 词： | 二氧化硫 微弱信号处理 红外吸收 相关检测技术 |
Design of Signal Processing Circuit Based on Infrared SO2 Concentration of Filter Correlation Technology |
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| Abstract: | In order to improve the detection sensitivity,combining with Filter correlation technology and infrared absorption principle,the weak signal processing circuit is designed according to correlation detection technology based on detection principle of faint signal,it improves the system measurement sensitivity, the circuit structure is reliable,simple and practical. Under laboratory conditions, the system performance of the SO2 concentration is tested, and the experimental data are analyzed and processed,the relationship of sulfur dioxide concentration and the measure voltage is given. |
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| Keywords: | Sulfur dioxide Weak signal processing Infrared absorption principle Correlation detection technology |
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