reflectance

noun

1. （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

1. Bidirectional reflectance distribution function ( BRDF) is an important reflective parameter of object surface.
   双向反射分布函数（BRDF）是材料表面光学反射性能的重要指标。
2. The influence of structure parameters and contents of plant leaves on their reflectance spectra was analyzed using the PROSPECT model.
   利用植物单叶光谱模型PROSPECT分析了植物叶片结构和组分对其反射光谱的影响。
3. Reflectance Spectroscopy Study of Low-Frequency Ultrasound and Glycerol on Skin Optical Clearing
   低频超声波和甘油对皮肤组织光学透明的反射光谱研究
4. 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。
5. 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。
6. Infrared Reflectance of the product rate was71%.
   该产品的红外反射率为71%。
7. The surface reflectance is an important parameter controlling surface energy balance.
   地表反射率是控制地表能量平衡的一个重要参数。
8. Study on points cloud filtering based on reflectance intensity and range
   基于回波强度和采样点距离的点云滤波研究
9. System can be configured to be used in Transmittance Mode or Reflectance Mode.
   系统可以配置为透射模式或者反射模式。
10. Study on Image-based Modeling Techniques for Reconstruction of Shape and Reflectance Properties of Specular Objects
    基于图像的带高光物体的形状和反射属性建模技术研究
11. So near infrared reflectance spectroscopy can better detect the fat, protein and moisture of mince than ground beef.
    比较可知近红外光谱能够更好的检测肉馅的脂肪、蛋白和水分含量。
12. Sky radiance might be influenced by the multiple reflectance between the earth's albedo surface and the atmosphere.
    天空亮度可能受到地表与大气之间的多次反射的影响。
13. The relationship between soil texture, soil ferric oxide and soil spectral reflectance.
    氧化铁与土壤质地与土壤反射率的关系。
14. 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。
15. A study on a model of turf quality evaluation based on reflectance spectroscopy
    基于反射光谱技术评价草坪质量模型的研究
16. A serious drawback is that the diffuser's reflectance may change with time.
    这一方法的严重缺点是漫射器反射比随时间变化。
17. 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。
18. Study on quick determination of water content in medicine by near infrared reflectance spectroscopy
    近红外检测技术对药品中水分进行快速测定的研究
19. 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。
20. 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。
21. They also have a strong influence on surface albedo ( solar energy, absorption and reflectance) and the hydrological cycle.
    它们还对地表反照率（太阳能的吸收和反射）与水文循环有很强的影响。
22. 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。
23. 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
24. 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。
25. The research results show that the linewidth, radical densities and maximum reflectance of disturbed coals are increased.
    结果表明，构造煤的顺磁共振谱图线宽、自由基浓度和最大反射率值增高。
26. Visible and near-infrared reflectance spectroscopy ( Vis-NIRS) was applied to non-invasively measurement of water content in engine lubricant.
    研究了基于可见-近红外光谱技术的发动机润滑油含水量快速检测方法。
27. 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。
28. The results showed that the spectral reflectance characteristics of crops with different disaster degrees were significantly different;
    结果表明：不同灾害程度作物的反射光谱特征差异显著；
29. The results showed that spectral indices have much higher correlation coefficients with fractional cover than does spectral reflectance.
    结果表明，光谱指数与覆盖度的相关性远远高于光谱反射率与覆盖度的相关性。
30. The effects of the aspect of iron fiber on reflectance are analyzed.
    分析了铁纤维长径比对反射率的影响。

noun

1. the fraction of radiant energy that is reflected from a surface

   Synonym:    coefficient of reflectionreflection factorreflectivity