查询词典 reflection factor

The calculation methods are presented for the reflection and transmission of ultrasonic waves incident from the fluid on to the arbitrary orientation interface of the general anisotropic solid. It is found that the reflection and transmission coefficients depend on, in general, the elastic parameters of the media, orientation of anisotropic solid surface and incident angle.

考虑到由流体斜入射到各向异性固体时超声波模式转换的一般情况，给出了超声在流体和各向异性固体任意取向界面上反射和折射问题的求解方法；超声反射和折射系数是媒质弹性参数、界面取向及入射角的函数。

The algorithm only needs to plot a set of equi-intensity curves of diffuse reflection and specular reflection on the rotating paraboloid,and then realistic image can be obtained.

与交互式计算机成像不同，实时CIG的时间有严格的限制，它要求计算机在电视一帧时间(40ms)内生成一幅完整的高真实感的图象。

First, The relation between one dimension plane detonation wave configuration and mesh size was investigated, then, regular reflection and Mach reflection was studied too.

首先研究了一维平面爆轰波结构与网格尺寸的关系，然后研究了柱面散心爆轰波结构及其正规反射、Mach反射问题。

Reflection system uses the precise ion plating film reflection bowl and the precise aspherical plano convex lens.

反光碗采用高效离子镀膜凌面椭球体反光碗，射出的光比同类产品的温度降低40%，使灯泡寿命延长。

Infrared heater is shaped like the kind of fan, the use of electric heating wire Heat the red-hot, then use the principle of reflection to the surrounding reflection.

问：红外线加热器，就像是一种形风扇，在电热丝热红色使用热水，然后使用反射原理对周围的反映。

Their accusation that adults "fail to understand" them is a reflection of our "wanting to understand", and their "rebelliousness" is, in part at least, a reflection of our fairly new belief in "permissiveness" and in our encouraging them to make up their own minds.

他们对成年人"不理解"他们的责备，正反映了我们要对"他们理解"；而他们的反抗心理至少是部分地反映了我们一个新信条：我们相信对孩子要"宽容"，还鼓励他们独立思考。

So chirped fiber gratings have broad reflection bandwidth. The group delay in chirped fiber grating reflection bandwidth changes gradually. These properties are what other type fiber gratings do not have.

所以chirped光纤光栅具有宽的反射带宽，在反射带宽内具有渐变的群时延等其它类型的光纤光栅所不具备的特点。

A reflection type diffraction grating according to the present invention has a structure in which a metal film as a first layer with reflectance not lower than 30 % with respect to the wavelength of incident light and a transparent dielectric film as a second layer are laminated successively on the surface of the reflection type diffraction grating.

本发明的反射型衍射光栅的结构以金属膜为第一层，相对于入射光波长，具有不低于30％的反射率，以透明绝缘膜为第二层，所述第一和第二层依次被层叠在所述反射型衍射光栅的基底表面上。

Based on the influence of reflection phase of fibre Bragg grating on the transmission spectrum of fibre Bragg grating Fabry-Perot cavity, the reason for the error of traditional coupled mode theory when calculating the reflection phase of uniform FBG is analyzed.

基于光纤Bragg光栅反射复振幅相移对FBG法布里-珀罗腔透射谱的影响，分析了传统耦合模理论计算均匀FBG反射复振幅相移产生误差的原因。

The location of reflection spectrum varies with the grating period (corresponding to the Bragg wavelength of FBG), thus, by changing the grating period, the reflection spectrum of SFBG can be shifted by one wavelength spacing or more.

通过改变光纤光栅周期(对应光纤光栅布拉格波长)到适当的值，使超结构光纤光栅谱位移一个或者多个波长间隔，级联多个波长精确定位的超结构光纤光栅，实现了波分复用信道滤波器的宽带滤波。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样