双向反射的英文

• bidirectional reflectance

• "双向"英文翻译    two-way
• "反射"英文翻译    reflect
• "双向反射比" 英文翻译 :    bidirectional reflectance
• "双向反射附件" 英文翻译 :    bidirectional reflectance acce ory; bidirectional reflectance accessory
• "双向反射分布函数" 英文翻译 :    bidirectional reflectance distribution function
• "双向反射分配函数" 英文翻译 :    bidirectional reflectance-distribution function (brdf)
• "双向反射比分布函数" 英文翻译 :    bidirectional reflectance distribution function
• "双向反射分布功能组" 英文翻译 :    brdf
• "后向反射，逆向反射" 英文翻译 :    retrodirective reflection
• "背向反射" 英文翻译 :    back-reflection
• "侧向反射" 英文翻译 :    lateral reflection; sideswipe
• "侧向反射的" 英文翻译 :    side-reflected
• "朝向反射" 英文翻译 :    orientating reflex; orienting reflex
• "单向反射" 英文翻译 :    regular reflection; specular reflection
• "单向反射比" 英文翻译 :    direct reflectance
• "单向反射率" 英文翻译 :    regular reflectance
• "单向反射面" 英文翻译 :    specular surface
• "定向反射" 英文翻译 :    direct reflection; directional reflectance; orientating reflex; orientation reflex; orienting reflex
• "定向反射比" 英文翻译 :    directional reflectance
• "定向反射法" 英文翻译 :    paper and boardmeasurement of brightnessss
• "定向反射镜" 英文翻译 :    directinal mirror; directional mirror
• "定向反射率" 英文翻译 :    directional reflectance
• "定向反射面" 英文翻译 :    specular surface
• "法向反射" 英文翻译 :    normal reflection
• "反向反射器" 英文翻译 :    retroreflector

• Bidirectional reflectance accessory
  双向反射附件
• 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。
• Pst denotes optical system capability of suppressing stray light , and brdf represents material surface scatter and reflectance property . these two physical values are the base of stray light analysis and calculation
  表示光学系统杂光抑制能力的点源透过率pst和材料表面散射特性的双向反射分布系数brdf ，这两个物理概念是光学系统杂光分析与计算的基础。
• The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf , projected solid angle ( psa ) , and incident radiation flux . thereafter , a new baffle system design idea is put forward
  本文首先介绍了光学系统杂光的抑制措施，从光辐射在两个表面传递的基本能量传输方程出发，指出影响辐射能量传输的三个因子：双向反射分布系数brdf 、投影立体角psa和入射辐射通量。
• Secondly , typical approaches of studying on vegetation have included radiative transfer , four - stream , geometric optics , hybrids of two or more of these , and numerical simulation . then we introduced several models for density or sparse vegetation , soil and desert
  然后，简单论述了建立植被散射模型的发展动态和几种典型方法：辐射传输模型、四通量模型、几何光学模型以及复合模型等，初步研究了用于稠密植被、稀疏植被、土壤、沙漠等环境背景的双向反射函数模型。
• 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。
• Standard lamp and diffusers are very important calibration elements , in chapter three , first uv and vuv radiometric standard for calibration are introduced . then the fabrication and characteristics of baso4 diffuser and alminium diffuser are researched , the baso4 diffuser ' s hemispheric reflectance and bi - directional reflectance distribution function were measured and compared with lambtian surface , and the deviation from that of lambtian surface is given . in the experiment , al diffuser ' s brdf is researched , obtain the change of spectral characteristic of al diffuser , compare al diffuser ' s brdf before and after coated with al + mgf2 , and different al diffusers with different surface roughness
  铝漫反射板作为一个漫反射光学元件安装在太阳紫外光谱监视器的入射狭缝前，太阳紫外光谱监视器在轨测量时，太阳辐射入射到铝漫反射板后进入入射狭缝，光谱辐照度的角度是变化的，本章测量了铝漫反射的相对双向反射分布函数，研究了镀膜( al + mgf _ 2 )前后光谱反射率的变化，漫反射的光谱特性及漫反射板表面粗糙度对相对双向反射分布函数的影响，使得测量数据反演成为可能。