luminance

英 [ˈluːmɪnəns]

美 [ˈluːmɪnəns]

n.  亮度

计算机

COCA.32601

牛津词典

noun

• 亮度
  the amount of light given out in a particular direction from a particular area

英英释义

noun

• the quality of being luminous
  1. its luminosity is measured relative to that of our sun
  Synonym:luminositybrightnessbrightness levelluminousnesslight

双语例句

• The luminance and luminous efficiency tested in experimental panel show the same variations with the simulation results.
  老炼平台的实验测试结果也表明了同样的趋势。
• However, due to the action of an auto-iris, this is not indicative of actual average picture luminance.
  但是，由于自动行动的光圈，这不是实际的平均状况亮度指示。
• In television, a short duration variation in the luminance following a step change in the video signal.
  电视技术中，电视信号在出现一个阶跃变化后引起亮度的短时间闪烁。
• A new automatic exposure algorithm using luminance histogram of an image is proposed.
  提出一种基于亮度直方图的自动曝光控制算法。
• In video jargon, the brightness is called the luminance signal, while the color is the chrominance signal.
  在电视的专门术语中，光亮叫做亮度信号，当颜色成为电视信号的时候。
• The luminance signal in color video.
  彩色电视中的亮度信号。参阅YIQ，YUV。
• The System can reckon by time, count down and adjust LED luminance automatically.
  系统具有正、例计时和自动调节LED显示亮度的功能。
• The second luminance signal is subtracted from each of the color signals to produce second color difference signals.
  从每个彩色信号中减去该第二亮度信号以生成第二色差信号。
• High luminance LED screen facing the snow trails made skiers can see the news on every spots of trails.
  面向雪道的宽幅高亮度LED室外显示屏，使滑雪者在雪道的任意一点都可以看到滚动播出的各种信息；
• Simple white Screen uses the best luminance of your cell phone to help you get light in the night.
  简单的白色屏幕使用最佳的亮度的手机来帮助你得到光在晚上。