refractive equivalent的意思|示意

The concept of equivalent refractive index of cladding is introduced from the equivalent refractive index method, which can rule out the false solutions of FEM.

引入了等效折射率法中的包层等效折射率的概念，排除了有限元法计算导致的伪解。

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 neural network model of the equivalent complex refractive of random rain media is developed by means of the improved BP algorithm, based on the electromagnetic wave propagation theory.

利用改进的BP算法，结合电波传播理论，建立了随机雨介质的等效复折射指数的神经网络模型。

Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.

在角膜数据的基础上，从理论上分析了等效折射率和曲率半径测量误差对屈光手术后角膜光焦度测量的影响。

First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.

文章先给出了光纤色散与光纤传播常数及等效折射率的关系。

No statistic difference was found in refractive status, i. e. spherical, cylindrical and spherical equivalent degree among three groups;

屈光状态，即球镜度数、柱镜度数、等效球镜三组差异无统计学意义；