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遥感数据(TM)的地空相关性研究及其在成矿预测中的应用

DOI: 10.6046/gtzyyg.1997.03.04, PP. 19-28

Keywords: 地面波谱,TM数据,地空相关

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Abstract:

在合理的大气物理假设前提下,本文通过对遥感方程的推导,论证了遥感传感器各通道接收的亮度Rij与地物的反射亮度Wij呈线性相关。依据这一地空波谱数据的相关关系,笔者在对典型铜多金属矿床的野外波谱实测基础上,经与TM遥感数据进行相关分析,建立了典型矿床的地面波谱反射率数据与TM图像最佳波段数据的相关模型,并据这些相关模型,将TM图像反演成与矿床地面波谱有关的地空相关图像,同时建立了矿床光谱识别模型,并据其进行了计算机图像矿床光谱异常识别。TM数据的地空相关性研究的应用结果表明,矿床的地面波谱研究及其与遥感TM数据的相关分析方法在成矿预测、找矿靶区定位中应用效果颇佳,是多金属矿产信息提取值得借鉴的方法。

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