| 光谱学与光谱分析 |
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| Mathematical Model of Dispersive Infrared Gas Analyzer Based on Pyroelectric Detector |
| ZHANG Yong-huai，LIU Jun-hua |
| School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China |
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Abstract This paper analyzes the characteristics of the pyroelectric detector based on its working principle. The input and output mathematical model of DIGA (Dispersive Infrared Gas Analyzer) system with pyroelectric detector was established according to the design principle of DIGA. We have manufactured a novel multi-gas DIGA on the basis of this model, then pointed out several problems that should be taken into account in the design. Application indicates that this model is of considerable practical value for the design, study, performance analysis and further improvement of DIGA.
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Received: 2002-12-26
Accepted: 2003-05-23
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Corresponding Authors:
LIU Jun-hua
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| Cite this article: |
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ZHANG Yong-huai,LIU Jun-hua. Mathematical Model of Dispersive Infrared Gas Analyzer Based on Pyroelectric Detector [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(03): 376-378.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I03/376 |
[1] ZHANG Yong-huai, BAI Peng, LIU Jun-hua(张永怀，白 鹏，刘君华). Analytical Instrumentation(分析仪器)，2002，(3)：36.
[2] KANG Yong-ji(康永济). Infrared Gas Analyzer(红外线气体分析器). Beijing(北京)：Chemical Industrial Press(化学工业出版社)，1993. 78.
[3] Fairley P D, Rutt H N. Sensors and Actuators B，2001，75：192.
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