| 磁铁矿床磁异常的模糊综合评价模型 |
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| 引用本文： | 于涛,王硕儒,王重德.磁铁矿床磁异常的模糊综合评价模型[J].物探与化探,1988,12(1):55-62. |
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| 作者姓名： | 于涛 王硕儒 王重德 |
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| 作者单位： | 山东海洋学院
(于涛，王硕儒)，山东地矿局物探队(王重德) |
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| 摘 要： | 以往的物探异常评价通常都是定性的,本文针对一矽卡岩磁铁矿区,提出磁异常的一种定量综合评价模型——隶属函数法模糊综合评价模型;并以一种新的参量;矿优度系数矩阵,B—综合评价录属度矩陈B的转置)作为磁异常的最终评价标准。检验表明,评价模型的准确率达84%。
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AMBIGUOUS COMPREHENSIVE APPRAISAL MODEL FORMAGNETIC ANOMALIES OVER MAGNETITE DEPOSITS |
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| Institution: | 1. Shandong College of Oceanography;
2. Gecphysical and Geochemical Prospecting Party, Bureau of Geology and Mineral Resources of Shandong Province |
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| Abstract: | The appraisal of geophysical prospecting anomalies has previously been car ried out on the qualitative basis. In accordance with the characteristics of a skarn type magnetite deposit, this paper presents a quantitative comprehensive appraisal model for magnetic anomalies in the ore district mbiguous compre hensive appraisal model of subordinate function method, and also puts forward a new parameter Are certainty μ=C·B/T (where Cstands for matrix of coeffi cients, and B'Tfor the transposition of the comprehensive appraisal subordinate degree matrix B') as the criterion for final appraisal. Tests show that the accu racy of this appraisal model reaches 84%. |
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