reflectance
英 [rɪˈflektəns]
美 [rɪˈflektəns]
n. (光的)反射比
复数：reflectances
BNC.18144 / COCA.34179
牛津词典
noun
- （光的）反射比
a measure of how much light is reflected off a surface, considered as a part of the total light that shines onto it
英英释义
noun
- the fraction of radiant energy that is reflected from a surface
双语例句
- An interaction factor is introduced to deal with the multiple reflectance between the atmosphere and the underlying surface.
还引入了一相互作用因子来处理大气与下垫面之间的多次反射。 - The results indicate that the reflectance spectrum is highly dependent on the array periodicity.
结果表明，其反射光谱与阵列周期有关。 - The spectral reflectance of each test specimen is measured in situ before and after exposures.
在辐照前后对每一个试样的光谱反射系数进行了原位测量。 - NIR Diffuse Reflectance Spectra Analysis of Forage Components by Factor Analysis
近红外漫反射光谱因子分析法同时测定饲料中水份、粗蛋白和粗脂肪 - Exposure ratios between spectral bands are determined from in situ reflectance spectra of objects in scene.
光谱波段之间的曝光量比值，可以根据景物中目标的就地测定的反射光谱确定。 - The contributions on modelling of the reflectance of forests paid special attention to directional effects ( BRDF).
对支付特别注意（双向反射）定向反射模型的影响森林的贡献。 - Bidirectional reflectance distribution function ( BRDF) can be used to study the laser scattering properties of target surface.
为了研究目标表面的激光散射特性可以利用双向反射分布函数的方法。 - Study on the Mechanism of Composite Coating with Low Infrared Emittance and Low Radar Reflectance;
首先，为了选择低红外发射率材料，研究了金属、半导体和电介质的光学性质。 - This paper discusses the reflectance measurement of the magneto-optical disk using a comparison method, and describes the effects of the optical system's nonideal condition.
讨论了用比较法测量磁光盘反射率问题，重点分析了由于系统光路的非理想性对测试结果的影响。 - The iterative method is used to calculate sky radiance without the reflectance from underlying surface.
在不考虑下垫面的反射时，利用迭代法来计算天空亮度。