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中国科学院长春光机所研制用两台地面光谱辐射计对实验区农作物,按作物不同生长物候期进行光谱测试,共测得光谱曲线180多条.从测得光谱曲线得出这样结论:作物生长候期不同,光谱反射率不同;作物长势不同,光谱反射率也不同;好的反射率高,差的反射率低;作物种类不同,光谱反射率也不同.特别是掌握了大豆等作物光谱特性,对于遥感解译和作物估产
Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Sciences developed two terrestrial spectral radiometer on the experimental area of crops, according to crop growth phenophase spectroscopy, measured a total of more than 180 spectral curves from the measured spectral curve concluded that the crop growth The different reflectivity, the different spectral reflectivity, the different crop growth, the different spectral reflectivity, the good reflectivity, the low reflectivity, the different types of crops and the different spectral reflectivity, especially the spectral characteristics of crops such as soybean , For remote sensing interpretation and crop estimation