There are nonlinear relations among the bi directional reflectance of rice,its canopy architecture parameters, the spectral characteristics of the different components of rice, and the illumination and viewing geometry.
水稻的双[向]反射特性与其冠层结构、各组分光谱性质以及入射光方向和观测方向之间存在着密切的、非线性的相关关系。
In the article, we discuss some characteristics of bidirectional reflectance factors of varied grey scale panels by dealing with a great deal of data, and conclude that it is important to calibrate bidirectional reflectance factor under the changing condition of the sun s incident angle in the fields.
通过大量实验数据处理分析，给出了不同灰阶参考板的双[向]反射比因子随角度变化的特性，并阐明了参考板在野外太阳入射角不断变化条件下使用，双[向]反射比的校正显得非常必要。
In different Incident angle,the bidirectional reflectance coefficient of the resin board and the aluminium diffuse plate were measured in detail.
介绍了双[向]反射比测量仪的组成及功能,给出了测量物体双[向]反射比系数的方法,具体测量了在不同角度入射光照射情况下树脂板和漫反射板的双[向]反射比系数,分析了影响物体空间反射特性的相关因素。