干旱区基于高光谱的棉花遥感估产研究_电子资料文库 关键词:高光谱;光谱指数;产量;棉花 [gap=1624]Key words: Hyper spectral; Spectral index; Yield; Cotton
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许昌地区冬小麦长势空间变异研究-发表吧 论文发表 发表论文网 关键词：冬小麦；光谱指数；叶面积指数；空间变异 [gap=1084]Key words： winter wheat； spectrum index； leaf area index； spatial variation
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The results show that spectral index can be good invert LAI.
结果表明，光谱指数能够很好的反演LAI。
参考来源 - 基于高光谱测量的不同绿地群落类型绿化三维量反演·2,447,543篇论文数据，部分数据来源于NoteExpress
对目前提出的光谱指数用以提取叶片叶绿素含量的适应性进行了分析和评价。
At leaf level, we analyzed the applicability of the spectral indices when applied to chlorophyll.
结果表明，光谱指数与覆盖度的相关性远远高于光谱反射率与覆盖度的相关性。
The results showed that spectral indices have much higher correlation coefficients with fractional cover than does spectral reflectance.
结果表明，其中的虫害光谱指数（DSI）最适用于反映研究区芦苇受蝗虫危害的程度。
The results show that among those indices the locust damage spectra index(DSI) is one which is mostly suitable to use in indicating the intensity of locust damage in the study area.
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