计算发现，水气项中的频率改正对折射率差的贡献是不可忽略的。
Via calculation we find the contribution of the frequency in the vapor term to the refractivity can not be neglected.
介质折射率差的绝对值越大、周期数增加都使透射波谱宽度变窄。
With the increase of the periods and the absolute value of refractive index difference, the full width at half maximum of spectrum decreases.
文中还验证了单模光纤的模场直径、截止波长、相对折射率差对OTDR曲线的影响。
In this article, the influences of the mode field diameter, the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified.
对特定的带宽，增加两种薄膜材料的折射率差和选择尽可能低的最外层折射率对获得优良的减反射特性是非常重要的。
For certain bandwidth, increasing difference between high and low index and selecting out-layer material with low index are very important for achieving an excellent anti-reflectance performance.
管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。
If the refractive index is larger, the translocation difference of the measurement volume is larger.
对显微镜物镜浸油与媒质水溶液折射率不同所产生的球差对光阱力的影响进行了定量计算与数值分析。
Effects of spherical aberration caused by the refractive mismatch between objective oil and medium water on optical trapping force is calculated quantitatively and also analyzed.
以质量检测器测定浓度小的糖份，以示差折射率检测器测定浓度大的糖份。
Sugars in low concentrations are detected by mass detector, while those in high concentrations are detected by differential reflective index detector.
本文将示差折射率检测器与质量检测器串联用高效液相色谱法测定了甜玉米和可口可乐中的糖份。
The determination of sugars in sweet corn and Coca Cola by HPLC with differential reflective index detector and mass detector connected in series is reported.
严格的数值计算结果表明：两类透镜的纵、横向球差都随折射率梯度的增强而减小。
The accurate expressions to calculate the aberration for two sorts of lens decrease on the increase of gradient index.
同时分析了垂直风速标准差，发现其有明显的日变化特征，并且与大气折射率结构常数有很好的相关性。
Also it is found that the standard deviation of vertical velocity is relative to the refractive -index structure constant well.
采用光的矢量衍射理论 ，研究了场振幅为高斯分布的平面波入射到无球差高数值孔径物镜上 ，折射率失配对共焦显微术的影响 ，并进行数值模拟。
We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.
给出一种差分法，用以求解任意折射率剖面的平板波导及圆光纤的本征方程。
A simple and efficient finite difference method is proPOsed to solve the eigenvalue equations for planar optical waveguides and circular fibers with arbitrary refractive index profiles.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
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