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本研究利用多角度光度计实测了玉米单叶的偏振反射比与二向反射比数据。该光度计能够在不同的观测天顶角、入射天顶角和方位角下测量目标物的偏振反射和二向反射,获得地物目标在2π空间的多角度观测数据。通过分析实测的偏振反射和二向反射数据,得出了玉米单叶的偏振反射与二向反射之间关系密切,最大与最小偏振反射比之和的平均数约等于同等观测条件下玉米叶片的二向反射比。该研究成果为植被遥感监测做出了一种新的尝试,并且对偏振光遥感、多角度遥感的深入研究与应用提供了依据。
In this study, the multi-angle photometer measured corn single-leaf polarization reflectance and reflectance ratio data. The photometer can measure the polarization reflection and the bi-directional reflection of the object under different observation zenith angles, incident zenith angles and azimuths, and obtains the multi-angle observation data of the object in 2π space. By analyzing the measured data of polarized and birefringence data, it is concluded that there is a close relationship between the polarized reflectance and the birefringence of maize leaves, and the average of the sum of the maximum and minimum polarization reflectance is approximately equal to that of maize leaves under the same observation condition Bidirectional reflectance. The research results have made a new attempt for vegetation remote sensing monitoring, and provided a basis for further research and application of polarized remote sensing and multi-angle remote sensing.