1) brightness multiplication
亮度倍增
2) luminance enhancement
亮度增强
1.
In gray mode,it can avoid the decrease of contrast caused by traditional luminance enhancement method.
提出一种应用于平板显示的选择调整的亮度增强算法,可以在基本保留原图像暗部细节的同时,按照灰度级的原始值进行增强,从而在视频图像处理中达到较好的效果。
3) brightness gain
亮度增益
1.
Research on test of image intensifier s brightness gain with CCD;
CCD用于像增强器亮度增益测试的研究
2.
In view of the incompleteness of the condition in testing image intensifier s output signal-to-noise ratio, the brightness gain s effect on output signal-to-noise ratio is expounded.
针对传统上像增强器输出信噪比测试条件的不完备性,阐述了亮度增益对输出信噪比的影响,在不同增益条件下利用设计的像增强器信噪比测试仪对输出信噪比进行了测试,验证了在输出信噪比测试中亮度增益标定的必要性。
3.
Then,based on the correlation characteristics of three components in RGB color spaces,the RGB three components of the color image are enhanced at the same proportion by brightness gain curved surface to ensure the hue to be a constance.
然后,根据RGB颜色空间三分量的颜色相关性特点,获取亮度增益曲面并对彩色图像的RGB三分量进行同比增强得到最终的彩色图像。
4) luminance gain
亮度增益
1.
The luminance gain has a great affect on the visual range of LLL night vision systems.
亮度增益对夜视仪的视距有很重要的影响。
2.
Based on the requirement of the measurement of these two factors, the computer simulation and structure design of luminance gain and equivalent background input test set for LLL image intensifier are described in this paper.
亮度增益和等效背景照度是衡量像增强器性能的两个重要参数,针对这两个参数的测试要求,本文阐述像增强器亮度增益和等效背景测试仪的计算机模拟与结构设计。
3.
Based on the requirement of the measurement of these two factors, the article describes the measuring principle and structure design of luminance gain and equivalent background input test set for LLL Image Intensifier.
亮度增益和等效背景照度是衡量像增强器性能的两个重要参数 ,针对这两个参数的测试要求 ,阐述像增强器亮度增益和等效背景的测试原理和测试仪的结构设计。
5) Brightness intensifier
亮度增强器
6) doubled CO2 concentration
CO2浓度倍增
1.
The growth of Pinus tabulaeformis,Platycladus orientali,Acer truncatum and Robinia pseudoacacia under doubled CO2 concentration and contrasts were investigated and compared.
在CO2浓度倍增条件下,研究了油松、侧柏、元宝枫和刺槐的苗高、地径、叶生长和养分含量等方面的变化。
2.
The responses of photosynthetic physiology parameters including net photosynthesis (Pn), stomatal conductance (COND ), transpiration (Tr ) and water use efficiency (WUE ) of Salix paraqplesia, Abies faxoniana and Fargesia denudata to doubled CO2 concentration were investigated, which were the dominant species of subalpine forest in the west of Sichuan.
通过对川西亚高山森林优势种高山柳(Salix paraqplesia)、岷江冷杉(Abies faxoniana)和缺苞箭竹(Fargesia denudata)幼苗光合生理参数的测定,研究了它们净光合速率(Pn)、气孔导度(Cond)、蒸腾速率(Tr)和水分利用效率(WUE)对大气CO2浓度倍增(720μmol·mol-1)的响应。
3.
The results showed that the interaction of doubled CO2 concentrations with drought stress reduced the water consumption and transpiring rates of the saplings effectively.
结果表明,在各干旱胁迫水平下,CO2浓度倍增有效地降低了幼树的蒸腾耗水量和耗水速率。
补充资料：辐射亮度
分子式：
CAS号：
性质：又称辐照亮度，辐射度。符号为L。对于平行光束，它等于光源在某个给定方向上，通过或射离无限小的面积元时的辐射功率P除以与光束在给定方向的正交平面上的面积元的垂直投影面积所得之商。若光束与给定方向之间的夹角为ψ，则L=(dP/dS)/cosψ。当在所考虑的面积上辐射功率为常数时，可简化成L=P/(Scosψ)。其SI制单位为W/m2。对于在包含给定方向ψ在内的固体角dω的锥体元中行进的发射光束来说，辐射亮度为d2P/(dωdScosψ)。其SI制单位为W/(m2·sr)。
CAS号：
性质：又称辐照亮度，辐射度。符号为L。对于平行光束，它等于光源在某个给定方向上，通过或射离无限小的面积元时的辐射功率P除以与光束在给定方向的正交平面上的面积元的垂直投影面积所得之商。若光束与给定方向之间的夹角为ψ，则L=(dP/dS)/cosψ。当在所考虑的面积上辐射功率为常数时，可简化成L=P/(Scosψ)。其SI制单位为W/m2。对于在包含给定方向ψ在内的固体角dω的锥体元中行进的发射光束来说，辐射亮度为d2P/(dωdScosψ)。其SI制单位为W/(m2·sr)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条