incident ray

As the film sample is fixed on one plane by tighten bolt, this device can realize the deflection of optical path. And the reflectivity of the sample is measured by using oblique incident ray.

使用该装置并通过平面和样品背后的顶丝固定薄膜样品的安装方式，可实现光路转折，完成斜入射光对薄膜样品反射率的测量。

The number of cascade particles changes according to the incident cosmic ray energy, observation height, etc.

到达地面的簇射粒子数目会随不同因素而改变,包括原初宇宙射线的能量 、 观测高度等.

Study of periodic thickness of multilayer optical thin films by double crystal grazing incident X ray

多层光学薄膜周期厚度的双晶X射线掠入射研究

The light now shining on P is called incident ray.

射到P点的光叫做入射光线.

The numerical evaluation shows that the formula is accurate and reliable. The result is referential to radar target identification with oblique incident ray. The method can be easily generalized to compute the scattering matrix of flat with any other edge shape.

结果对掠入射时的雷达目标识别具有参考意义，该方法可以推广到计算任意边缘形状平板的散射矩阵。

Hence the properties, such as energy and incident direction, of the incident cosmic ray can be calculated according to data from stations.

因此，透过比较不同观测站的数据，可以推算原初宇宙射线的能量、入射方向等资料。

Analyses of reflectivity of grazing incident X-ray microscope

掠入射X射线显微镜反射率分析

The incident ray vector can be directly calculated and corrected from the measured star coordinates through substituting the calibration parameters into the mathematical model, thus the errors of the optical system can be compensated.

将标定出的参数代回数学模型，便可由星象点测量坐标直接计算并修正入射光方向矢量，从而对光学系统的误差进行了补偿。

This article introduces a new measurement method by X-ray. The sin2 ψ method is combined with the grazing incident X-ray diffraction technique to obtain the depth profiles of the residual stress in the ground samples.

本文介绍了一种残余应力测量新方法，该方法联合使用sin2ψ法和掠入射X射线衍射法从而得到残余应力在试件中的深度分布。

· The reflection and transmission coefficients of plane elastic and converted waves incident upon an interface between different elastic media are the odd functions of ray parameter p respectively. · The reflection and transmission coefficients of unconverted wave are the even function of ray parameter p.

指出，在不同弹性介质分界面上入射平面弹性波，转换波的反射系数和透射系数是射线参数p的奇函数；非转换波的反射系数和透射系数是射线参数p的偶函数。

The requirement for the angular error between the incident and the reflecting ray is about ± 10 arc second.

入射光线经五折镜组件反射后出射的角度误差为±10〃。

Three factors of restraining speckle noise in detection system, coherence, phase difference and polarization of the incident ray, were analyzed in detail, and the relations between these factors and speckle contrast were also presented.

对采用激光照明的测量系统中散斑形成的三个重要因素，即入射光束的相干性、相位差和偏振特性进行了详细的理论分析，并给出了这些因素与散斑对比度的变化关系。

Incident Radiance Reuse Filter and Improvement of Radiance Estimation; Effect of the cosmic microwave background Radiation to the flux of the Superhigh Energetic Cosmic Ray

入射光复用滤波和光辐射强度估计的改进宇宙微波背景辐射对超高能宇宙线流强的影响

The intensity reflectivity of the film is correlated with the wavelength of an incident ray and the height of the film.

该空气薄膜的光强反射率是关于入射光波长和薄膜厚度的函数。

The γ-ray absorption coefficient decreases gradually with the gradually increased incident γ-ray energy for same medium.

对于同一介质，介质对γ射线的吸收系数基本上随着入射γ射线能量的逐渐增大而逐渐减小。