Its properties directly affect the brightness, chromaticity coordinates, chromatic temperature, color rendering property and so on.
在白光LED器件的制备中，荧光粉是非常关键的材料，它的性能直接影响白光LED的亮度、色坐标、色温及显色性等。
In this paper, calculation formula for derivative secondary spectrum is derived based on the wave aberration theory, using the change of coordinates for incidence ray on the back group from the front group which has some chromatic aberration.
本文从波差理论出发，由前组色差引起的后组入射光线座标变化，导出了衍生二级光谱计算公式，并应用于分离薄透镜系统，得到了简明的结论。
It can be applied to measure the color coordinates, chromatic aberration, illuminance and main wavelength of a color.
采用该方案的色度仪可测量颜色的色品坐标、色差、照度以及主波长等参数。
Method of Face Locating and Tracking Based on Chromatic Coordinates Transformation of Color Images
基于彩色图像的色系坐标变换的面部定位与跟踪法
On the bases of the inter-frame difference, we used the motion information of sequence images to extract binary image edges. Then according to the feature of head-shoulder image contour and chromatic coordinates transformation of color images motional face can be located.
该方法利用序列图像的运动信息，在帧间差分的基础上进行二值图像边缘提取，利用人的头肩轮廓特点以及彩色图像的色系坐标变换进行运动的人脸定位。