查询词典 beam splitter

The comparison of simulative and analytical results of the beam distribution in free space shows good consistency.

束流在自由空间分布的仿真结果与解析结果保持较好的一致性。

Analyse the distributive law of shear-lag effect and influence of each structural parameter: pile length , bending stiffness of pile, bending stiffness of abutment, abutment length, different type of soil behind abutment, curve radius, width to span ratio,width of beam, etc. And the main influencing parameters were picked up.

进行结构参数分析，研究等代桩长、桩的纵向抗弯刚度、桥台纵向抗弯刚度、桥台高度、台后土压力、曲率半径、宽跨比及箱梁肋板间距等对剪滞系数的影响，从而得到影响无伸缩缝曲线箱梁桥剪力滞效应的主要参数和次要参数。

And the far field divergency angles of the output beams are detected experimentally, the results illustrate that compared to the single UR90, this new coupling technique may nether weaken the mode control ability, nor effect the beam quality.

此外，还利用铜蒸汽激光器实现了两台放大率M=1.21的UR90腔和两台放大率M=1.5的环状输出UR90腔的相干并束输出，并对输出光束的远场方向性进行了测量分析。

It thus can travel great distances without diverging from a tight beam.

因此，它可以发射到很远的地方而不从密集的光束中发散。

Laser Doppler Velocimeter:the two times Dopper effect for the scattered light from the tracing particle, the formula of LDV, laser heterodynes measurement, dual beam differential mode, LDV signal processing, frequency shift technique and application, multi-dimension velocity measurement, LDV application while light is refracted.

三。 激光多普勒测速：运动粒子中散射光的二次多普勒效应（1），LDV基本公式(1)，光外差检测技术及其实现(1)，双光束差动模式(1)，LDV信号处理(3)，频移技术及其应用(5)，多维速度的测量(5)，有折射现象时LDV的应用(3)，LDV测量实例(1)。 LDV实验一：LDV光路实验（3） LDV实验二：LDV测水流场实验（3）四。

Single detector and coincidence Doppler broadening measurements using slow positron beam were carried out to study Ti/Al multilayer films. The main goal is to study the evolution of vacancy-type defects and inter-diffusion of elements in films subjected to different annealing conditions.

4符合多普勒展宽测量结合慢正电子束流研究了磁控溅射方法制备的Ti/Al多层膜，分析讨论了多层膜缺陷结构的热稳定性，实验结果表明，随退火温度的升高，点缺陷结构经历了迁移、聚集长大最后崩塌回复过程。

The laser does not need any thermal len and thermal double refraction compensation element, having high output power, better beam quality, high doubling efficiency, better stability, widely applied in medical, industry.

该激光器不需要任何热透镜和热致双折射补偿元件，具有输出功率高、光束质量好、倍频效率高、稳定性好，医疗、工业应用性强等优点。

A nonlinear finite element model is constructed, considering the large deformation, large strain, bolts pretension, bolt contact-slide, as well as material harden and soften, and Miese yield criterions and double nonlinear 3-D element are adopted, so it can predict performance of beam-to-column web connections under cyclic loads.

本文考虑大变形、大应变、螺栓预拉力及螺栓处的接触滑移、材料的强化和软化，采用Mises屈服准则、双重非线性空间单元，建立的非线性有限元模型能够比较精确地模拟梁柱腹板连接在循环荷载作用下的受力性能。

In chapter 3 of this work, we made some improvement on the base of original work and proposed a double exposure multi-beam interference method to fabricate a hexagonal lattice with irregular columns.

在以前的工作中，我们曾使用衍射分束器件得到三束呈伞状对称的光束相互干涉，制备出了对TE和TM两种模式同时具有较大带隙的二维三角结构光子晶体。

Object surface points of the wavefront reference beam mirror movement modulation double - exposure holographic displacement measurement of the direction of the object theory and method.

研究物面分波前反射镜运动调制参考光双曝光全息测量物体位移方向的理论与方法。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。