光反射

In order to improve the efficiency of optical engine and simplify the optical architecture, a neotype color separation/recombination device based on polarization interference filter is proposed for reflective LCOS projection display in this paper.

为了提高光引擎效率并简化结构，我们提出一种适用于反射式LCOS投影显示系统的新型高效分／合色器件——偏振干涉滤光片。

This paper gives a new method for measuring the concentration of pulp.The laser and optical fibre measurement is based on the back-scattered theory and the principle of reflection and refraction of light.

根据光的后向散射理论，利用光的反射和折射原理，本文提出了一种新的在线测量纸浆浓度的方法——激光光纤测量法。

Secondly, the visibility of interference fringes is increased by raising reflectivity of uppersurface of glass plate and convex of plane convex lens.

垂直入射平行光I经多次反射和折射后，形成光束Ⅲ和Ⅵ，二者迭加而产生干涉，即所谓透射光的干涉。

Improvement of Spatial Resolution for Strain Measurement with Brillouin Optical Time-Domain Reflectometer by Fitting Method Based on Equivalent Optical Pulse.

提高布里渊光时域反射应变仪测量空间分辨力的等效脉冲光拟合法。

At last using ODTR (Optical Time Domain Reflectometer) to measure the attenuation of the Rayleigh intensity at the starting point of fiber, the disturbance and breakage of pipeline is detected, and the location where the optical attenuation occurred is located.

在入射端利用光时域反射技术(ODTR， Optical Time Domain Reflectometer)测量瑞利散射光的损耗变化，检测管道受到的扰动破坏和实现扰动点的定位，进而在破坏的初期即可实现报警。

This demonstrates that light route is reversible in reflection of light.

这说明在光的反射现象中光路是可逆的。

A new type of displacement sensor based on the principle of collimated beam reflective intensity modulation is presented,which is composed of graded-index lenses and some kind of reflective rhombic mirror.

设计了一种由GRIN透镜和菱形光闸反射体构成的光强度调制的垂直位移光纤传感器。

By using a reflective spherical mirror with large numerical aperture, the light scattered by individual particles is collected over a large angular range of 20° to 160°.

散射光收集系统为单一大数值孔径的球面反射镜，其对粒子散射光的收集角范围从20°到160°。

It involves a spherical primary mirror and the secondary mirror with profile given by computer.lt is not necessary for the new optical system to obtain the on-axis solar image,so the secondary mirror may have a simpler profile.

一种由球面主镜和由计算机算出曲面型线的二次镜组成的新型二次反射聚光系统，可以减少制造困难，当这种光学系统用于太阳能聚光器时，由于不需要得到轴上的太阳像，其二次镜型线可更为简单。

Moreover, due to the total internal reflection effect at the interface between substrate and air, part of the light will be further reflected.

且在基版与空气的介面上由於全反射的影响，部分的光会被反射回来，此亦为造成出光效率低的原因之一。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。