| 稻城地区遥感蚀变信息提取研究 |
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| 引用本文： | 段元彬,刘登忠,徐韬,徐争强,崔志强,赵培松.稻城地区遥感蚀变信息提取研究[J].国土资源遥感,2008,19(4):92-95. |
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| 作者姓名： | 段元彬 刘登忠 徐韬 徐争强 崔志强 赵培松 |
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| 作者单位： | 1. 成都理工大学,成都,610059
2. 四川省遥感中心,成都,610081 |
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| 摘 要： | 根据围岩蚀变在多波段遥感图像（TM）上具有的光谱特征，利用比值分析、主成分分析及比值增强后主成分分析等方法，对
四川省稻城地区围岩蚀变信息进行提取和分析，通过多层次的筛选和评估提取矿区异常区，制作遥感异常图。
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| 关 键 词： | 遥感 围岩蚀变 比值 主成分分析 信息筛选评估 |
| 收稿时间： | 2008-05-07 |
| 修稿时间： | 2008-07-07 |
THE EXTRACTION OF REMOTELY SENSED ALTERATION INFORMATION FROM DAOCHENG AREA |
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| DUAN Yuan-bin,LIU Deng-zhong,XU Tao,XU Zheng-qiang,CUI Zhi-qiang,ZHAO Pei-song.THE EXTRACTION OF REMOTELY SENSED ALTERATION INFORMATION FROM DAOCHENG AREA[J].Remote Sensing for Land & Resources,2008,19(4):92-95. |
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| Authors: | DUAN Yuan-bin LIU Deng-zhong XU Tao XU Zheng-qiang CUI Zhi-qiang ZHAO Pei-song |
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| Institution: | 1.Chengdu University of Technology,Chengdu 610059,China；2..Remote Sensing Centre of Sichuan Province; Chengdu 610081,China |
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| Abstract: | Abundant spectral and continuous spatial information of the satellite TM data is being applied extensively.On the basis of analyzing spectral characteristics of TM image data and according to spectral characteristics of rocks and ores as well as the theory of extracting information from remote sensing data,this paper utilized such methods as band ratio,principal component analysis and principal component analysis after ratio strengthening to extract mineralization-alteration information.Through screening and evaluation,the prospecting target can be delineated and the remote sensing map can be drawn. |
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| Keywords: | Remote sensing Wall-rock alteration Ratio method Principle analysis Screening and evaluation |
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