双向反射分布函数 meaning in Chinese
bidirectional reflectance distribution function
Examples
- Sampling data for brdf is analyzed with spherical harmonics , and then the brdf surface could be rendered fast under environment illumination
物体表面双向反射分布函数的采样数据利用球面调和函数系进行分析，然后可以在环境光源下作快速绘制。 - Using genetic algorithm , established brdf models of the silicon carbide paper and granite material and optimized parameters retrieval models
采用遗传算法建立了金刚砂和大理石材料的双向反射分布函数的参数模型，对模型进行参数反演时，通过遗传算法进行优化。 - For rendering of real - world surface material and 3d texture surface , the bi - directional reflection distribution function ( brdf ) and bi - directional texture function ( btf ) are described
在复杂材质和3d纹理技术方面，本文主要阐述了对应的两个描述函数，双向反射分布函数和双向纹理函数的相应处理方法。 - By measuring the brdf of a kind of typical material - granite , sample ' s hemisphere reflectivity has been acquired and the law of its dependence on the zenith - angle and azimuth - angle variation has been studied
摘要对以大理石为代表的材料进行了双向反射分布函数测量实验，得出了样品的半球反射率，并研究了其随入射、反射天顶角等参数变化的规律。 - The main works and results are as follows : 1 . by use of one order multiple scattering theory , light scattering and reflection by a single coating layer is analyzed . the variance of radiation intensity , bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given , with the effect of rough contrast on bidirectional reflection distribution function
本文主要研究了单层和多层涂层结构介质的光散射特性，以及近场条件下复杂目标对激光波束的散射，其主要工作如下： 1 、采用一阶多重散射近似理论分析单层涂层对光波的散射和反射，计算并讨论了辐射强度、双向反射分布函数和单位面积激光雷达散射截面随涂层结构参数的变化规律，数值分析了粗糙基底对双向反射分布函数的影响。