The definition of beam width is significant for the quality of laser beam.
在激光光束质量问题中，光束束宽的定义至关重要。
When the initial power equals the critical power a stabile spatial soliton is obtained and generally the beam width takes periodical contraction or diffraction.
当初始功率等于临界功率时，可以得到一个稳定的空间孤子，而一般情形下，束宽则作周期的压缩或展宽变化。
In the paper, spear lag of beam plated construction and effective distribution width of flange plate are analysed through model test and research. It provides a reference in design.
本文通过大型试验的研究，分析梁板结构截面的剪力滞效应，及翼缘板的有效分布宽度，为设计提供参考。
Now, all I had to do was walk along a beam that was maybe the width of my foot, with nothing to grasp except that dangling line.
现在，我只需走过一段和我的脚一样宽的横梁，除了一根悬挂的绳索，什么也靠不住。
This is achieved by using a unique multi beam technology, demonstrated in figure 2, which reduces the power density, minimizes the thermal load, and reduces the kerf width in the wafer.
这是采用独特的多光束技术实现的，图2显示了其工作原理，降低了功率密度，减小了热负载，缩小了刻线宽度。
This paper deals with the mechanical behaviors of steel-concrete composite beam and effective width of concrete slab on the axial force and the bending moment together function, based on the past job.
本文在总结前人工作的基础上，对结合梁斜拉桥中在轴力和弯矩共同作用下的钢—混凝土组合梁截面受力状态和混凝土桥面板有效宽度进行研究。
The sample should not be so large as to increase unduly the width of the diffracted beam.
样品不应当过分大，以致不恰当地增加了衍射束的宽度。
In this paper we analyze the frequency correction caused by a finite beam width in an optical gyro.
本文分析了光陀螺中由于有限光束宽度对拍频频率的修正因子。
Some important concepts relating to the flattened Gaussian beams (FGBs), such as the field distribution and beam width, are analyzed physically.
对平顶高斯光束有关的一些重要概念，例如场分布和束宽等作了物理分析。
Angular resolution of a real aperture radar is limited by the beam width of the radar antenna.
一般非综合孔径雷达的方位分辨率受天线波束宽度的限制。
This paper concentrates on the problem of finding a way to obtain angular resolutions better than the beam width of real aperture radars by means of azimuth signal processing.
本文寻求一种在扫描实孔径雷达中，利用方位信号处理获得优于天线波束宽度的角分辨力的途径。
The beam stirrups are very important to the anchorage of the upper longitudinal bar in the beam outside the wall's width.
节点区的宽梁箍筋对于凸出在墙外的宽梁上部纵筋的锚固具有比较重要的作用。
The coupled differential equations of the dimensionless beam width parameters of two optical beams are solved.
求解了两光束无量纲束宽参量的耦合微分方程。
The formulas of mode conversion are derived and effects of optical beam power, initial beam width radius and inverse of the radius of curvature of the wave front on the mode conversion are analysed.
导出模式变换公式，分析了光束功率、光束初始的束宽半径和波前曲率半径的倒数对模式变换的影响。
Ray beam effective width of Xray Imaging system is an important parameter to evaluate the resolution of system.
射线成像系统的射线有效宽度是评定系统成像分辨率的重要成像指标。
The methods and results for the 5 main parameters of energy, beam current, dose uniformity, beam scanning width, and beam profile were given.
给出了能量、流强、扫描均匀性、扫描长度以及束斑形状等5个重要参数的测量方法及结果。
The method for calculating the equal-section equivalent beam width is presented and the stiffness of the equivalent beam equals to the slab stiffness.
同时按刚度相等原则，给出了折算成等截面等代梁宽度的计算方法。
Real time graphic display of probe position, beam surface position, gate delay and gate width during scanning.
实时显示探针位置所对应的图形，播送表面位置，门控和门控宽度。
As a result, the beam width and gain of the half cylinder array are enough for the system to detect the UAV.
分析结果表明半圆柱型基阵在波瓣宽度和增益上满足系统对无人机的探测要求。
The results show that diffraction efficiency of a lossless grating increases with the higher ratio of reference beam width to object beam width.
对于无吸收的光栅，参考光束相对物光束越宽，衍射效率将越高。
In bathymetric survey, the record seabed image is distorted due to the angular beam width of an echo sounder.
在海洋测深过程中，回声测深仪波束角效应使记录的测深图像失真。
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。
If the space separation between strong signal and weak signal more than one beam width, the algorithm proposed can effectively extract weak signal without knowing weak signal's direction of arrival.
当强信号与微弱信号的空间间隔大于一个波束宽度时，该方法可较好地实现对微弱信号的提取。
A tall window wall, part of which is operable, is set within a light-coloured wooden frame. Overhead, an exposed wooden beam spans the width of the ceiling.
半活动式的高窗设置在浅色的木框架上。天花板上的一根暴露木梁横跨整个空间。
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；
The closed-form expression for the mean squared beam width of annular beams propagating through atmospheric turbulence is derived by using the integral transform technique.
采用积分变换技巧，推导出了环状光束通过湍流大气传输二阶矩束宽的解析表达式，并研究了湍流对环状光束扩展的影响。
Because of the accuracy requirements of tracking radar, the beam width is very narrow.
跟踪测量雷达因其精度要求，波束宽度很窄。
Because of the accuracy requirements of tracking radar, the beam width is very narrow.
跟踪测量雷达因其精度要求，波束宽度很窄。
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