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

• 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。
• The theory of rare earth's luminance is discussed through measuring and comparing the cell's spectra and electric property.
  同时，通过对器件光谱及电学特性的测量、比较和分析，探讨了有关稀土电致发光机理等问题。
• Gamma, Brightness, and Luminance Considerations for HD Displays
  高清显示中的伽马校正、亮度和明视度探索
• Adjustable luminance systematic very heavy power bring out a problem of heat dissipation.
  调光系统的功率往往都是很大的，这就产生了一个散热问题。
• 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。
• This paper discussed the luminance, mechanism of too.
  本文对发光机理进行了初探。
• Through calculating on the luminance, chrominance and gradient density of the moving foreground region. a shadow judging function was constructed.
  通过对前景运动区域像素的亮度、色度和梯度密度的计算，得到一个阴影判断函数。
• 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。