1) reflectivity contrast
反射率对比度
1.
The properties of blue green laser induced crystallization for as deposited Ag 11 In 12 Sb 51 Te 26 phase change thin films irradiation are studied by measuring the reflectivity contrast at 500, 100 and 60 ns pulse duration.
用反射率对比度来衡量晶化程度,分别探讨了脉宽为500ns,100ns,60ns的蓝绿激光(514nm)作用下沉积态Ag11In12Sb51Te26相变薄膜的晶化性能,表明Ag11In12Sb51Te26相变薄膜在蓝绿激光下可具有较高的晶化速度。
2.
The results indicated that larger reflectivity contrast can be achieved by an appropriate doping of oxygen,thus the recording properties of the Ge Sb Te thin film material can be improved by oxygen doping.
研究了单层 Ge- Sb- Te- O射频溅射薄膜在 40 0 nm～ 80 0 nm区域的光学常数 ( N,K)和反射、透射光谱 ,发现适当的氧掺杂能增加退火前后反射率对比度 ,因此 ,可以通过氧掺杂改良 Ge- Sb- Te相变材料的光存储性
3.
The optical storage characteristics of GeSb 2Te 4 thin film indicated that larger reflectivity contrast can be obtained at lower writing power Argon laser (514.
５ｎｍ波长用较低功率的激光辐照样品时薄膜在写入前后的反射率变化较大，擦除前后的反射率对比度较低，可通过膜层设计来提
2) refractive index contrast
折射率对比度
3) contrast
[英]['kɔntræst] [美]['kɑntræst]
对比，对照;反差，对衬;对比度，对比率;对照物
4) relative reflectance
相对反射比
1.
To evaluate laser camouflage effectiveness based on laser camouflage principle,three different methods,which were relative reflectance,camouflage range and camouflage coefficient,were put forward.
根据激光隐身原理提出了用相对反射比、隐身距离和隐蔽系数评价激光隐身效果的三种方法,并对各种方法的优点、适用范围及局限性进行了分析。
5) reflected power ratio
反射功率比
1.
The paper advances in the near field, being part of the scattering system, the antenna can t be ignored, and the concept of reflected power ratio is more adaptive to describe the traits of scattering target directly.
详细分析了目标散射随距离而变化的特征,根据散射特点的不同将目标的散射特性分为远场散射、准近场散射、近场散射等三种情况,并对三种情况下的描述的手段进行了讨论,提出在近场条件下,用反射功率比的概念直接对散射目标的特性进行描述。
6) Absolute reflectivity
绝对反射率
补充资料：影像对比度
影像对比度
影像学术语。包括两层含义：其一是指照片显示的模拟影像上相邻两点间的光学密度之差，即照片对比度；其二是狭义的影像对比度，系指去除对比因素，仅反映物体对比度的成分。在传统放射学领域相当于X线对比度。
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参考词条