冬小麦光谱“红端”红移特性研究 |
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引用本文: | 殷贤湘,易维宁,徐青山. 冬小麦光谱“红端”红移特性研究[J]. 国土资源遥感, 1993, 4(1): 43-46 |
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作者姓名: | 殷贤湘 易维宁 徐青山 |
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作者单位: | 中国科学院安徽光机所(殷贤湘,易维宁),中国科学院安徽光机所(徐青山) |
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摘 要: | 本文应用数字微分法对冬小麦的高分辨率多时相光谱数据进行了处理,提取出了冬小麦光谱红端红移的特征。分析了红端红移的幅度与光谱分辨率、冬小麦的生长期、叶片的叶绿素含量及覆盖率等参数之间的关系,提出了冬小麦红端红移特征遥感的最佳时机。本研究使用的光谱数据取自安徽光机所的光谱数据库。
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关 键 词: | 冬小麦 光谱 红端 红移 小麦 |
STUDY OF PROPERTIES FOR RED EDGE SHIFT OF WHEAT |
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Affiliation: | Anhui Institute of Optics and Fine Mechanics, the Academy of sciences of china |
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Abstract: | Multitemporal spectrum data of wheat with high resolution have been processed using a digital derivation algorithm and their properties of red edge shifting toward long wavelenth have been extracted. Relationship between red edge shift and spectral resolution. growth period. chlorophyll content in leaf and coverage rate for wheat have been analysed. And then an optimal season to detect the properties of red edge shift have benn proposed, |
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