棉 花 学 报 Cotton Science 2005,17(6):371-375
基于高光谱数据提取作物冠层特征信息的研究进展
祁亚琴1,王登伟1,陈冠文2,黄春燕1,段震宇2,陈 燕1,袁 杰1,杨 坤1
(1.新疆兵团绿州生态农业重点实验室,石河子 832003;2.新疆农垦科学院,石河子 832000)
摘要:高光谱(Hyperspectral)遥感是指光谱分辨率在10-2λ的遥感信息,其特点是光谱分辨率高(5~10nm)、波段连续性强(在0.4~2.5μm范围内有几百个波段)。高光谱遥感器既能对目标成像(有时也称成像光谱遥感)、又能测量目标物的波谱特性,因此,它不仅可以用来提高对农作物和植被类型的识别能力,而且还可以用来监测农作物长势和反演农作物的理化特性。绿色植物具有独特的光谱曲线特征,而作物具有绿色植物典型的光谱特征曲线,基于作物的光谱特征研究与其生理生化特性之间的关系,高光谱遥感数据在提取作物生理生化特征、提取作物冠层信息、估产以及预测病虫害等许多方面都表现出巨大的应用潜力。本文概述了利用高光谱数据提取作物冠层信息的研究现状、展望及其在新疆棉花生产中的应用和前景。
关键词:高光谱遥感;提取;作物冠层特征信息
中图分类号:S562 文献标识码:A
文章编号:1002-7807(2005)06-0371-05 [全文,2265KB]
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