反射

On the base of introduction of circular cavity eigenfield and its reflection coefficient,the self-consistent field description of whispering-gallery mode in circular cavity is discussed.

在引进圆腔特征场及其反射系数的概念基础上，讨论了圆腔回音壁模的自洽场描述。

The variations of the performance of the fiber Bragg grating Fabry-Perot etalon with the length of the cavity and the reflection coefficient of fiber Bragg grating have been discussed, according to the theory of fiber Bragg grating Fabry-Perot etalon.

并利用光纤光栅法布里-珀罗标准具理论，分析了光纤光栅标准具随腔长变化的性质、光纤光栅标准具随光栅反射率变化的性质。

The analysis shows that the reflection spectrum is the multiple beams interference, and the coupling ratio is similar to the reflection coefficient of Fabry-Perot cavity. The larger the ratio is, the finer the extinction ratio is and the narrower the full-width at half maximum will be.

分析表明器件具有法布里－珀罗腔干涉仪的特点，耦合器的耦合比系数类似于法布里－珀罗腔的反射率，耦合比系数越大，输出光谱半高全宽度越窄，消光比越好。

The emphasis was helped by the speaker's square wall of a forehead, which had his eyebrows for its base, while his eyes found commodious cellarage in two dark caves, overshadowed by the wall.

说话者的前额如四方的平墙，作为眉毛的地基，这地基上凹陷得形同地窖之处被由墙壁反射的光线照射得如同两个黑洞，成为一双眼睛的宽敞居所，他的气势也被这种特征加强了。

Since the reflections are damped out much before the center of the bit, termination is not required.

这样反射衰减在数据位的中点之前，因而就不必加装终端电阻了。

However effect of this strain difference on central wavelength shift of fiber Bragg grating is often ignored in practical application.

实际测量中往往忽略此扰动对光纤光栅反射谱中心波长的影响，则必然带来测量误差。

By taking advantage of a corollary of the Desargues theorem and the corresponging extension of Desarguesian configuration, the concept of stereohomology has been defined in projective geometry and presented based on homogeneous coordinates. Consequently, a series of geometrical transformations, such as central projection, parallel projection, centrosymmetry, translation transformation, reflection, rotation transformation, which can be contained in it or derived from it have also been analytically defined.

利用Desargues定理的一个推论和引申的Desargues图形，给出"空间透射"在射影几何意义下基于齐次坐标表象的解析定义，从而解析定义了可蕴涵其中的中心投影、平行投影、中心对称、平移、反射等几何变换以及可由此衍生出的旋转变换。

Besides, the effect of the centroid of RCS on the missdistance of the missile is discussed.

还讨论了反射中心对导弹命中误差的影响。

Through the moderation of transmission chain of the gear wheel to control the tiny turn of the reflector .

在微调机构的设计中，利用齿轮传动链的减速作用来实现对平面反射镜的微转动，从而改善测量精度。

Tsing Hua University Qianxin research, science and thermal processes, the three internal combustion chamber complex structure, so that the fire in three to four weeks chamber reflection, the radiation heat evenly so that the heating surface temperature balance.

青华大学虔心的研究，科学的热能流程，内部三个燃烧室复杂结构，使火在三个燃烧室反射于四周，热量均匀的辐射，使受热面温度平衡。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐