折射角

光学全反射与折射角

Total Optical Reflection and Angle of Refraction

利用光子晶体的完全色散关系，研究了一维光子晶体中折射角与入射角之间的关系。

The relationship between refracting angle and incident angle in the one-dimensional photonic crystals was studied by means of complete dispersion relation .

文中介绍了如何获得及同化GPS折射角资料的原理。

This paper introduces how to obtain and assimilate the GPS bending angle .

对GPS折射角资料的变分同化可以分为两种：间接同化和直接同化，文中对这两种方法都作了具体介绍。

There are two methods of assimilation : the indirect method and direct method , and they are both introduced in this paper .

最后，还利用1995年10月11日的GPS折射角资料进行了数值试验，结果表明了变分同化方法和计算优化步长方法的有效性。

Finally , a numerical variational assimilation experiment is performed using the GPS bending angle data of 11 October 1995 . The numerical results indicate the validity of the variational assimilation method and the adaptive method introduced here .

临界光线折射角与溶液浓度关系的研究

Relationship between Solution Concentration and Critical Light Refraction Angle

复数折射角的物理内涵

The Physical Connotations of the Complex Refraction Angle

管材超声波探伤折射角的测定

Calibrating refraction angle for ultrasonic inspection of pipes

单轴晶体主截面内e光折射角和阵面角的计算和作图

The refraction of e beam within the principal cross section of a uniaxial crystal studied by computer assistance

使用该装置可演示入射角连续变化，折射角也自动遵循折射定律相应变化。

This device can demonstrate that the deflection angle changes with the incident angle according to the Snell law .

利用溶液浓度与其掠入射临界光线折射角的关系，采用标准溶液进行测量和拟合标定，给出数学解析关系式。

The method is based on the relationship between solution concentration and the critical light refraction angle of the transparent medium .

文章将一维光子晶体作为二维问题来考察，使用数值方法（平面波展开法）来计算光线在光子晶体中沿各个方向传播时的色散关系，进而得到了折射角与入射角和频率的关系。

With plane wave method , the relation between the incident angle and refraction angle and frequency in one-dimensional photonic crystals are investigated .

基于球面的电子全站仪测高大气竖直折射角严密计算方法研究

Research on Accurate Calculation Method of Vertical Atmosphere Refraction Angle in Height Surveying by ETS ( Electronic Total Station ) Based on Spherical Surface

结果显示：实验的准确性主要取决于折射角θ，并且θ在20°～35°范围内，实验的效果较好。

The results shows : experimental accuracy is mainly determined by θ, and experimental effect is good in the range of 20 ° ~ 35 ° .

射线衍射增强成像技术可以精确得到样品内部结构的折射角信息，对提高轻元素物质的成像衬度有着重要的意义。

Diffraction-enhanced X-ray imaging could extract accurately the refraction angles of the sample , which is very important to increase the image contrast of low Z samples .

试验结果表明该实际折射角大约在70°~80°，与探头的标称折射角没有必然的联系。

It was shown by tests that the actual refraction angle of probe was approximately 70 ° to 80 °, and it was not affected by the labeled refraction angle .

利用矩阵条件数对方程求解的稳定性进行了讨论，推导出理论上的折射角和小角散射宽度的最大值。

The stability of the reconstruction procedure is discussed using the condition number of matrix , and the theoretical maxima of the refraction angle and USAXS distribution width are given .

星光折射角的测量误差和大气折射模型的不确定性是影响导航精度的主要因素；随着星敏感器精度的降低，位置误差近似线性增长；

Moreover , results show that the measurement error of starlight refraction angle and the uncertainty of the atmospheric refraction model are two principal factors responsible for deteriorating the navigation accuracy .

以实验为基础，找出了导致大气竖直折光的主要因素，给出了大气竖直折射角计算的实用公式。

On the base of experiments , this paper found the primary factor of caused atmospheric vertical refraction . A formula to calculate the angle of atmospheric vertical refraction is given .

通常从一介质进入到另一介质时光束具有正折射角，但在负折射介质中它具有负折射角。

On entering another medium from one medium , light usually refracts with a positive angle . However , negative refractive media ( NRM ) may produce negative refraction , i.e. light refracts with a negative angle .

研究了工件内二次焦点深度随轴向液程的变化关系，横波和纵波检测时缺陷波的识别问题，以及折射角和焦点张角对检测灵敏度的影响。

The relationship between axial liquid path and second focus depth in the workpiece , identification of defect wave by using longitudinal and shear wave , the effects of refraction angle and focus flare angle on detection sensitivity were investigated .

在超声波探伤过程中，斜探头会受到磨损，由此会使其入射点、折射角发生改变，影响超声波探伤的准确性。

During the operation of the ultrasonic detector the oblique probe is subject to wear , which consequently leads to the change of the incident point and the refraction angle and thus to produce some negative influence on the detection accuracy .

介绍了超声波斜探头的选择，入射点和折射角的测定方法及在超声波探伤过程中使用探头应注意的问题。

Such aspects as the selection of the ultrasonic probe , the measuring method for the incident point and the refraction angle , and some key points for the probe during the operation of the ultrasonic detector , are all described .

小波分析在泰安&忻州折射/宽角反射剖面解释中的应用

Application of wavelet analysis in the data interpretation of Tai'an-Xinzhou refraction and wide-angle reflection profile

并且，给出了调制不稳定性增益谱随固有双折射和偏振角的变化关系。

Gain spectra of the modulation instability as function of birefringence and polarized angel has been given .

当折射棱镜折射角很小时，称之为光楔。

It is called the optical wedge , when the refraction angle of the refracting prisms is tiny .

各向异性强的晶体实现负折射的入射角范围可能会很大。

For strong anisotropy crystal , the maximum incident angle that yields the negative refraction could be very large .

通过该地区高分辨率折射及宽角反射/折射地震探测剖面，获得了该区地壳几何结构与速度结构、地壳深浅部断裂的几何形态和构造关系等。

The geometry and velocity structure of this area and the relationship between the deep and shallow faults are obtained based on deep seismic wide-angle reflection and refraction profiling .

大气垂直折射与时序垂直角值的谱分析

Vertical atmospheric refraction and spectral analysis of time sequencing vertical angles

楔形介质的折射率及楔角的测量

Measurement of refractive index and wedge angle of wedge-shaped medium