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, the signal used for controlling the luminance values in the picture.
  在电视中，用于控制画面亮度值的信号。
• In additional, the luminance step is applied to detect the penumbra.
  另外，提出了亮度步长的方法来检测阴影中的半影。
• 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。
• Maintaining the correct size, shape, colour and luminance levels of a graphic is obviously very important.
  比如，保持正确的尺寸，形状，颜色，流明度方面的问题就明显非常重要。
• 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。
• A second luminance signal is formed from the color signals.
  第二亮度信号从彩色信号中形成。
• The luminance signal in color video.
  彩色电视中的亮度信号。参阅YIQ，YUV。
• 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。
• 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。
• Objective To study the relation between myopia and luminance with chroma in paper and ink.
  目的探讨书写用纸张、墨水的亮度、色度对近视发生的可能影响。