人类视觉系统把到达人眼的光学信号分离为亮度和色度信息，并对它们做不同的处理，这是人类视觉系统的一个重要性质。
In Human Vision System, the optical signal is separated to brightness and chroma information, and they are processing differently. It is an important quality of Human Vision System.
利用一种直接由天空亮度的相对分布反演气溶胶光学特性的方法。
We propose a method to retrieve aerosol optical characteristics directly from the distribution of sky brightness.
为了研究金属电爆炸现象，采用多通道光学高温计对金属桥箔和金属桥丝电爆炸产生的等离子体光谱辐射亮度进行了测量。
For investigating the characteristics of metal explosion, the multichannel optic pyrometer was used to measure the radiation intensity of the plasmas produced by metal conductor explosion.
更明亮：光学设计更优，灯罩透光率高达90%，有效提高了产品的照度和亮度。
More bright: Better optical design to make PC cover transmittance up to 90%, improving luminous intensity and brightness.
更明亮：光学设计更优，灯罩透光率高达85%，有效提高了产品的照度和亮度。
More bright: Better optical design to make PC cover transmittance up to 85%, improving luminous intensity and brightness.
由此可见，白度是指肉眼直接观察的对比结果，而亮度则是指光学反射的对比结果。
It can be seen, then, that whiteness is directly determined through comparative ocular eye, whereas brightness refers to comparative optical reflectance.
一种光学基材，具有结构性表面，该表面增强亮度或辉度，并降低结构缺陷对感知到的图像质量的影响。
An optical substrate possesses a structured surface that enhances luminance or brightness and reduces the effects of structural defects on perceived image quality.
光学领域中，天空亮度分布有着重要的应用。
In the field of atmospheric optics, distribution of sky brightness is widely used.
分析亮度测量要求，建立了亮度仪光学系统理论模型，设计光学及机械结构。
According to the requirement of luminance measurement, the model of optical system was constructed and the optical and mechanical parts of illuminometer were designed.
另一方面，它不明亮，但是，额外添加在非光学例子的模块，增加了照明的均匀度，不增加亮度。
The counter side to this is that it will not be as bright; however, the extra modules added in the non-optic example were added to provide evenness of illumination, not to increase brightness.
根据测量获得的海水表面的离水辐亮度、归一化离水辐亮度和遥感反射率，可进行海洋光学和水色遥感方面的研究。
The derived sea surface water-leaving radiance, normalized water-leaving radiance, remote sensing reflectance are useful in the study for oceanic optics and ocean color remote sensing.
利用大气光学和几何光学的成果，讨论了阴天天空亮度与粒子散射和大气质量的关系，从微观机理上说明了阴天空最大亮度元的存在性，并得到了有趣的结果。
In this paper, the relation of cloudy sky luminance with particle scatter and air mass is discussed by using the results of atmospheric and geometrical optics.
光学性能是在CHF-XM 35 - 500 W氙灯-汞灯高亮度点光源平行光源系统的照射下进行测定的。
Optical performance was measured under the irradiation of the CHF-XM35-500W xenon lamp with a parallel light source system.
根据该仪器测量获得的下行辐照度和上行辐亮度，我们可以计算海水的漫衰减系数、遥感反射率、离水辐亮度等多种海洋光学参数。
Using this device, we can measure many oceanic optical parameters such as diffuse attenuation coefficient, remote-sensing reflectance, water-leaving radiance and so on.
其中与光学特性测量有关的项目有：发光亮度、角度相关亮度均匀性、角度相关对比度、灰阶色度线性等。
Optical characteristics-related measurement projects in it include: shining luminance, angle-related luminance uniformity, angle-related contrast ratio, gray scale curve, etc.
其中与光学特性测量有关的项目有：发光亮度、角度相关亮度均匀性、角度相关对比度、灰阶色度线性等。
Optical characteristics-related measurement projects in it include: shining luminance, angle-related luminance uniformity, angle-related contrast ratio, gray scale curve, etc.
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