| 子区中位数衬值滤波法在地球化学异常识别中的应用 |
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| 引用本文： | 赵宁博,傅锦,张川,刘欢.子区中位数衬值滤波法在地球化学异常识别中的应用[J].国外铀金地质,2012(1):47-51. |
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| 作者姓名： | 赵宁博 傅锦 张川 刘欢 |
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| 作者单位： | [1]核工业北京地质研究院,遥感信息与图像分析技术国家级重点实验室,北京100029 [2]中国地质大学（北京）,北京100083 |
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| 摘 要： | 传统化探方法可能漏掉强度不大但可能致矿的异常,而子区中位数衬值滤波法可以有效地避免地质背景对异常圈定的影响,解决了低背景区和高背景区弱小异常的识别问题,消除了全区统一划分异常下限对化探异常识别的影响。采用该方法在江西某地区发现了多个新的化探铀异常区,并在其中的一些异常区内发现了铀矿点,显示出较好的应用效果。
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| 关 键 词： | 衬值滤波 铀矿 化探异常 |
Application of subinterval area median contrast filtering method in the recognizing of geochemical anomalies |
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| Authors: | ZHAO Ning-bo FU Jin ZHANG Chuan LIU Huan |
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| Institution: | 1.National Key Laboratory of Remote Sensing Information and Image Analysis Technology, Beijing Research Institute of Uranium Geology,Beijing 100029,China; 2.China University of Geoscience(Beijing),Beijing 100083,China) |
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| Abstract: | Traditional geochemical processing method sometimes maybe loses some weak anomalies related to mineralization,the authors can avoid the influence of geology background and can solve the problem of recognizing weak anomalies in the low-background and high-background area with the subinterval area median contrast filtering method.In an area of Jiangxi Province,several new anomalies are identified by this method and uranium mineralized prospects are found among them. |
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| Keywords: | contrast filtering method uranium deposit geochemical anomaly |
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