| 我国土壤光谱线之研究 |
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| 引用本文： | 徐彬彬. 我国土壤光谱线之研究[J]. 遥感学报, 1991, 0(1) |
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| 作者姓名： | 徐彬彬 |
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| 作者单位： | 中国科学院南京土壤研究所 |
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| 摘 要： | 通过对我国各地的土壤光谱反射率的分析表明,无论在二维或多维空间中,确有土壤光谱线存在,但不是严格的一条直线,而是有适当宽度的带。不宜用全国统一的一条土壤光谱线来作植被分析。讨论了不同土壤光谱线对绿度及植被覆盖度估计的误差。还论述了土壤光谱反射率主成分分析的结果及其物理意义。
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| 关 键 词： | 土壤 反射光谱 绿度 主成份分析 |
Research of China''s Soil Spectral Line |
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| Xu Binbin. Research of China''s Soil Spectral Line[J]. Journal of Remote Sensing, 1991, 0(1) |
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| Authors: | Xu Binbin |
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| Abstract: | The analysis on soil spectral data obtained from the different area of our country shows that exists a soil spectral line in 2-dimension space or multidimension space, but it is not a strictly straight line, it is a belt with certain width. It is not suitable for vegetation analysis with a united soil spectral line in the whole country. The influence of different soil spectral line on plant canopy and greenness assessment was discussed. In addition, the results and physical significance of the principal component analysis on the soil spectral reflectance were described. |
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| Keywords: | Soil reflectance spectra greenness principal component analysis |
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