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《Modern Electronics Technique》 2011-02
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Algorithm Design of Gas Detector for Carbon Monoxide

WANG Liang,FANG Kang-ling,SU Zhi-qi(School of Information and Engineering,Wuhan University of Science and Technology,Wuhan 430081,China)  
Based on the principle of infrared spectrum absorption,the detection of the carbon monoxide concentration is researched.in order to improve the equipment detetion accuracy without increasing cost,two-dimensional Lagrange interpolation algorithm is adopted to interpolate the measured alpha table.Experiments show that the error caused by Lagrange interpolation algorithm is within the allowable range of equipment error,and under the conditon of same accuracy,this algorithm requires less sampling points,which reduces the equipment cost.
【CateGory Index】: TP216
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