chromaticity coordinate

The chromaticity coordinates measured on the PDP include two parts : the first part is chromaticity coordinate of phosphor on the PDP device , another is the chromaticity coordinate of gas discharge during the operation of PDP .

在等离子体显示器上测得的色坐标包含了两部分：一部分是荧光粉在PDP器件中发光色的色坐标，一部分是PDP工作时气体放电的色坐标。

The intensity transmittances of three ( or two ) processed images can be expressed in a chromaticity coordinate system of primary colors and so are the results of the addition and / or " subtraction " of the two images .

待处理的透明片的光强透过率可用原色的色度坐标来表示，两个图象的相加和相减的结果可在同一输出平面上以其相应的色度坐标值表示出来。

Calculation of the Chromaticity Coordinate , Color Temperature and Color Rendering Index of Light Source

光源的色标坐、色温和显色指数的计算

Measure the relative spectral power distribution P (λ), chromaticity coordinate , correlative color temperature , rendering index , color difference , peak wavelength , luminous flux , etc.

相对光谱功率分布，色品坐标，相关色温，显色指数，色容差，峰值波长，光通量等。

Chromaticity coordinate test showed doped ions were conducive to obtaining higher color purity . The afterglow properties of all phosphors were summarized in the end .

通过色品坐标分析发现掺杂离子均有利于获得色纯度更高的粉体，最后对各掺杂样品的余辉性能进行了测试。

Seven standard color boards were measured with the spectrophotometer , and the result is that the measurement uncertainty of chromaticity coordinate is less than 0.01 and color measurement period is 1 s.

利用此仪器测量7块标准色板，色品坐标测量不确定度小于0.01，测试周期为1秒。

In order to improve the traditional inefficient method of measuring the color uniformity of liquid crystal display ( LCD ) projector , a system of measuring two dimensional chromaticity coordinate distribution was set up .

为改进传统液晶投影显示色均匀性测量方法效率低的缺点，建立了一套对二维平面上色坐标分布进行快速测量的系统。

By measuring three primary color coordinates with the standard colorimeter and the light intensity of every point with the charge coupled device ( CCD ) camera , the chromaticity coordinate distribution of every point on screen was obtained .

通过标准色度计测量三基色的色坐标值和黑白CCD测量各点的亮度值，计算得到屏幕各点色坐标分布。

The synthetic range of the white LEDs with two primary colours in chromaticity coordinate is determined by colour matching calculation , and the selective range of two primary colours is determined to obtain high luminous efficacy of radiation for white LEDs .

通过计算确定了可合成白光的两基色的选取范围，确定了得到高光视效能的白光LED的两基色的选取范围。