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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。
In this paper, the digital differential method was used to deal with the high-resolution multi-temporal spectral data of winter wheat and the red-shifted characteristics of winter wheat were extracted. The relationship between the amplitude of red-shifted red-shift and spectral resolution, the growth period of winter wheat, the content of chlorophyll and the coverage of leaves were analyzed. The best timing for the remote sensing of red-shifted characteristics of winter wheat was proposed. The spectral data used in this study are taken from the spectrum database of Anhui Institute of Optics and Fine Mechanics.