博文 详细介绍如何从零开始制作51单片机控制的智能小车（三）———用超声波模块和漫反射光电传感器实现小车的自动避障 的附件 包含博文介绍的完整的keil文件

CD33漫反射型操作说明书中文版.pdf

openGL实现（ADS）环境光，漫反射，镜面高光，实现双面（前面front、背面back）着色  实现平面着色（flat shading），使用Subroutines选择着色器功能，Discarding fragments to create a perforated look 丢弃碎片，已实现穿孔效果

Ytterbium-doped yttrium oxysulfide (Yb:Y2O2S) has been synthesized by solid-state reaction with sulfide flux. Diffuse reflection and emission spectra have been measured in order to determine the crystal field splitting of Yb3+ ion in the YOS lattice. According to the crystal-field levels probed in the spectra, the crystal field splitting of 2G7/2 manifold of Yb3+ ion in YOS is 709 cm-1, which is large enough for the quasi-three-level laser operation of Yb3+ ion. Emission peak position, width, fu

A spatial distribution of diffuse reflectance produced by obliquely incident light is not centered about the point of light entry. The value of shift in the center of diffuse reflectance is directly related to the absorption coefficient \mu_{a} and the effective attenuation coefficient \mu_{eff}. \m