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For solving the problem of measuring sludge thickness in coalmine channel,the paper discusses a new measuring method based on the difference of penetration when light spread in different medium.The method combines computer science,sensor technology,data communication technology,which measures sludge thickness in coalmine channels effectively,and the problem that water flow is larger than reality owe to the existence of sludge in coalmine channels will be solved.The method has the advantage of low price and high accuracy.This paper emphasis the system architecture,hardware design and data processing algorithm in the equipment,which has very practical guiding value in project applications. Key Words-Sludge Thickness Measurement; Coalmine;

Application Research on The Equipment Measuring Sludge Thickness in Coalmine Channel