spectral reflectivity meaning in English

光谱反射率
光谱反射系数

Zero - expansion models satisfy the request of space structures for they can possess high dimensional stability in temperature - change fields . the surface morphology , electrical conductivity and spectral reflectivity of al / kapton films before and after space environment simulated tests were
对于al / kapton薄膜试验分别采用原子力显微镜、四探针电阻测量仪、紫外可见分光光度计测试其空间环境试验后的表面形貌、面电导率、光学反射率。
The structure and the thickness and optical constants of each layer determine the reflectance of the thin film system . we made simulation of the determination of layer thickness of thin film system from is spectral reflectivity curve . the selected algorithm includes simulated annealing algorithm , genetic algorithm , conjugate gradient algorithm and dfp algorithm
我们对不同结构的膜系进行了理论模拟，并首次引入全局优化算法，如遗传算法、模拟退火法等，和超线性算法，如共轭梯度法、变尺度法等，对膜系的光谱特性曲线进行反演，求解出其结构参数。