范玉海,万余庆,王辉,杨兴科

• 1:中煤航测遥感局西安煤航地质勘查院
• 2:长安大学地球科学与国土资源学院

摘要(Abstract)：

航空机载高光谱遥感数据(CASI/SASI)具有图谱合一的优势,能够根据光谱特征进行地物的直接识别。以宁夏汝箕沟煤田的CASI/SASI航空机载成像光谱测量影像数据为主要信息源,利用ENVI软件对数据进行了辐射校正和辐射定标、大气校正(光谱重建)与几何校正等预处理,同时利用FieldSpec~Pro FR便携式光谱仪对研究区烧变岩及煤层各类样本进行光谱测试,提取其光谱特征。在数据处理和实测光谱(野外与室内)分析的基础上,运用混合调制匹配滤波法,对研究区烧变岩和煤层进行高光谱识别,获得了研究区烧变岩和煤层高光谱分布图。通过野外调查验证和地质综合分析可知,野外观察的烧变岩及煤层分布与高光谱遥感解译结果基本吻合。该实例表明CASI/SASI航空机械成像高光谱数据在烧变岩及煤层勘查领域具有较好的应用效果和广泛的前景。

关键词(KeyWords)： CASI/SASI数据;航空高光谱遥感;煤系;烧变岩;宁夏汝箕沟煤田

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局“航空高光谱遥感调查”项目(编号:1129518);中国地质调查局“陕西彬县新堡子地区Y矿地质调查”(编号:12120115011301);; 国家重点基础研究发展计划“973”项目“中国北方巨型砂岩Y成矿带陆相盆地沉积环境与大规模成矿作用”(编号:2015CB453000)

作者(Author): 范玉海,万余庆,王辉,杨兴科

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