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Improved extension identification method and its application to water bursting source discrimination

FENG Lin;LI Fenglian;ZHANG Xueying;WANG Zizhong;College of Information Engineering,Taiyuan University of Technology;Virginia Wesleyan College;  
For high misjudgment rates of existing extension identification method which was applied in coal mine water bursting source discrimination,an improved extensicon identification method was put forward.The ranges of classical domain,joint domain and the value of evaluated matter-element of the existing method were normalized,and then the selection of optimal value was optimized.Finally,a new location value calculation method was proposed.Experiment results indicate that application of the improved method to coal mine water bursting source discrimination improves the level of matter-element belongs accurately to a certain aquifer,thus improves accuracy rate of water source discrimination.
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