The influence of atmospheric turbulence on the relative beam width spreading is larger for PCFT beam array with larger beam order and smaller coherence length.
光束阶数越大、相干长度越小，部分相干平顶光束序列的相对束腰宽度扩散较快；
Finally by analyzing these data we can obtain the parameters about the laser beam such as: beam size, relative beam power, relative peak power, divergence Angle, M2 factor and so on.
通过分析这些数据可以获得有关光束的一些参数，如光斑尺寸、相对光功率、相对峰值功率、发散角、M2因子等等。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
It is shown that the positions of phase saddles and vortices depend on the off-axis parameter, beam width, phase and relative amplitude of beams.
研究表明干涉场中的相位鞍点以及涡旋点的位置与光束的离轴参数、束腰宽度、相位以及相对振幅有关。
Design thought and method of underpinning beam, column, foundation and relative joint construction in remodeling office building for Committee of Family Planning in Harbin are introduced.
提出了哈尔滨市计生委办公楼结构改造所需的托换梁、托换柱、托换基础及相关连接构造的设计思路和方法。
The calculation on relative parameters for strain-pull controlling of T-style beam bridge prestress, can provide reference for construction in future.
对T型梁桥梁板预应力张拉控制相关参数的计算，可为今后的施工提供参考。
Based on Gaussian beam theory and the antenna parameters, the size of the reflectors of the beam waveguide, the distance between them and their relative locations can be determined.
以高斯波束理论为基础，根据天线基本参数要求，分析确定出波束波导系统中各反射面尺寸、反射面彼此间距及各部件相对位置。
The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range, good sensitivity and restraining the intensity fluctuation noise.
本文采用双光路激光系统，对亚麻尘的相对浓度进行了连续测量，具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
When the magnetic fluid is irradiated by a laser beam, a part of the energy of the laser beam will be absorbed by the magnetic fluid for it has a relative large coefficient.
由于磁流体的吸收系数相对较大，当激光束照射到磁流体上时，它会吸收一部分激光能量，这对其本身的光学性质会有影响。
The principle and an experiment device are introduced by which the measurement of the relative concentration of lotion is carried out continuously with the double beam system of laser.
采用双光路激光系统，对清洗液的相对浓度进行了连续测量，给出了测定原理和实验装置。
This paper presents the characteristics of the slab bridge without beam and presents the relative numerical and optimization methods of the structural analysis.
介绍了无梁板桥的特点以及其结构分析中的数值方法与优化方法。
But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.
但是，在空心光束中可以实现对地折射率粒子的稳定捕获，即粒子的相对折射率可以小于1。
The rail, sleeper and beam have distinct relative displacement. In the former mechanics model, the influence of the displacement of the sleeper is not taken into account.
以往对钢轨、轨枕及梁跨结构三者之间产生相对位移的计算模型，没有考虑轨枕位移的影响。
The relative errors of the beam width and far-field divergence angle introduced by the spherical aberration increase with increasing spherical aberration coefficient and decreasing beam order.
束宽和远场发散角的相对误差随球差系数绝对值的增加和光束阶数的减小而增加；
The research of local buckling occurred in coped beam is still rare. Besides the coped size and other relative parameters have a large influence on buckling load of steel beam.
关于切口钢梁的局部屈曲研究目前还相对较少，切口尺寸以及其他相关参数在很大程度影响钢梁的屈曲荷载。
Researching the relative displacement between the double-T plates and the longitudinal beam and the longitudinal maximum distance to set a frame as the first measure to resist the earthquake.
探讨双T板与纵梁的相对位移及作为第一道抗震防线框架沿纵向的最大间距；
The 3-d beam intensity distribution was simulated numerically. The relative parameters were also measured experimentally.
数值模拟了光传输的3维强度分布，同时进行相关参数的实验测定。
Combined with the construction experience, the paper analyzed the cause of blow-up cracks for post-tensioned concrete beam slab, and proposed relative treatment measures for reference.
针对预应力梁板施工中较常遇到的一些问题，对其产生的原因进行了较为详细的分析与探讨，并提出了具体的预防措施和救治方法。
The selection of CCD camera, the calculation of the beam path and the variation of laser emission path film are discussed by aid of relative theories.
借助有关理论，讨论了CCD摄像机选型、光路计算、激光发射光路镀膜的变化等问题。
A new method based on multi - beam to measure the stress of optical thin film is introduced the stress can be obtained by measuring the relative distances between the reflected light spots.
介绍了一种基于多光束原理的薄膜应力测试方法，通过对反射光光点间距变化的检测，可以实时得到应力的信息。
Two cantilevers swing in two sector surfaces so as to lead the laser beam and the plate to generate relative motions freely.
两个悬臂在两个扇形面内的摆动，使激光束与板材产生任意的相对运动。
By the deflection test, the deflection produced by the deformation of joint field can be gained, accordingly, the change in the included Angle that the beam axis relative tot...
通过挠度测试，可以求出因节点域变形导致梁发生转动而产生的挠度值，进而可以得到梁柱夹角发生的改变量。
By the deflection test, the deflection produced by the deformation of joint field can be gained, accordingly, the change in the included Angle that the beam axis relative tot...
通过挠度测试，可以求出因节点域变形导致梁发生转动而产生的挠度值，进而可以得到梁柱夹角发生的改变量。
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