Volume 21 Issue 1
Feb.  1993
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Liu Guoqiang, Huang Zhihui, Zhang Jingkao. RECOGNITION OF COAL TYPES AND LITHOLOGICAL CHARACTERS BY FUZZY MULTILAYER COMPREHENSIVE EVALUTION[J]. COAL GEOLOGY & EXPLORATION, 1993, 21(1): 64-70.
Citation: Liu Guoqiang, Huang Zhihui, Zhang Jingkao. RECOGNITION OF COAL TYPES AND LITHOLOGICAL CHARACTERS BY FUZZY MULTILAYER COMPREHENSIVE EVALUTION[J]. COAL GEOLOGY & EXPLORATION, 1993, 21(1): 64-70.
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RECOGNITION OF COAL TYPES AND LITHOLOGICAL CHARACTERS BY FUZZY MULTILAYER COMPREHENSIVE EVALUTION

  • 1. Research Institute of oil Exploration & Development Beijing;

  • 2. China University of Geosciences, Beijing;

  • 3. Log Service Centre, Shongdong of Coal Geology Bureau

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  • Received Date: August 10, 1992
  • Available Online: April 07, 2023
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    • Abstract
  • Having briefly described the mathematic method of fuzzy multilayer comprchensive evalution, the paper discusses emphatically how to recognize the coal types and lithological characters on coal borehole profiles by using this method.The main content in the paper can be divided to the following parts: a.to bulid the first evalution matrix and weigh matrix adopting the frequency statistical analysis; b.to constitute the secord evalution matrix taking the subordinats function with the normal distribution; c.to obstain the evalution results if using fit operators; d.to test this method with a processing example.
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