The pigtail output power of single mode polarization maintaining fiber reached ( 1.5 mW ) due to lower vertical beam divergence .
由于器件具有比较小的发散角,与 光纤耦合时具有比较高的耦合效率,单模保偏光纤耦合输出功率达到 1.5mW。
In this paper the theoretical design for the quantum well lasers with vertically integrated passive waveguides which decreases the vertical beam divergence effectively are reported .
报道了一种具有垂直集成无源波导的耦合波导结构量子阱激光器的理论设计,它可以使 垂直结平面 方向的远场 光束发散角得到有效的降低。
Analysis of cooperative works of single rank of piles with different vertical elastic rigidity under beam
梁下 竖向弹性刚度不同的单排桩协同工作分析
Roof and floor of the vertical bars at the anchor position lap intervals should be appropriate should also reduce the vertical prestress prestressed beam distribution losses .
顶、底板纵向筋搭接处锚固位置应有适当间隔, 纵向预应力布 束还应减少预应力损失的影响。
The methods of laser deceleration and state selection the measure for overcoming the transverse heating the method of serial magnetic resonances and the apparatus design for obtaining the vertical beam are discussed in detail .
文中详细讨论了激光减速和选态的方法,克服横向加热效应的措施,实现级联磁共振的办法,以及获得 垂直 束装置的设计等。
Design and Computation methods are presented for horizontal joints vertical joints and ring beam joints in large panel buildings based on their mechanical characteristics .
本文针对装配式大板结构水平接缝、 竖向接缝及连系 梁接缝各自的受力特征,提出了相应的设计计算方法,对楼板接缝和大板结构的整体稳定性设计,作了原则性的阐述。
Research on Technology of Twice Tension Applied in Web 's Vertical Prestress of Box Beam
二次张拉钢绞线技术应用于箱 梁腹板 竖向预应力的研究
According to the desired gain and vertical beam width six units are used to meet the vertical plane radiation .
再根据所需的增益和 垂直 面 波束宽度,在垂直面采用6个单元来满足垂直面方向图要求。
The cross section characteristic calculation of the vertical beam ;
纵梁的断面特性计算;
In order to calculate the internal force of anchored sheet piling by the method of vertical beam on elastic foundation the displacement of anchored points or the rigidity factor of supports should be determined first .
采用 竖向弹性地基 梁法计算有锚板桩墙,首先要确定锚碇点位移或支承处刚度系数。
Research on the Sliding Mode of Semi-Active Control on Vertical Vibration for Continuous Beam Bridge
连续 梁桥 竖向振动半主动滑动模式控制研究
The results - show that the variation of trim coil current has greater influence on the vertical beam emittance than . on the beam center displacement in the vertical direction .
测量结果表明,环形线圈电流变化对 束流 轴向发射度的影响较大,而对束流中心在轴向几何位置的影响较小。
Calculation of steel vessel and pipe on vertical beam or bracket
纵梁或 纵向支座上的钢制设备管道计算
An experimental study of node point for a vertical integral prestressed concrete beam column frame
竖向整体式预应力 梁柱框架节点的试验研究
The structure and the work principle of the extracting core worktable were discussed . The focuses on the vertical beam structure design and mechanics calculation and the safe coefficients were determined by the secondary fuzzy comprehensive evaluation method .
论述了抽芯工作台的结构与工作原理,主要介绍了 纵梁结构设计和力学计算,其中安全系数采用二级模糊综合评判方法来确定。
Calculation of Displacement of Anchored Points in Vertical Beam on Elastic Foundation
竖向弹性地基 梁法中的锚碇点位移计算
In this paper a modified method of analyzing vertical beam on elastic foundation for the calculation of the quay wall of sheet pile is presented .
本文提出了一种板桩墙 结构 内力和变形计算的改进 竖向地基 梁法,该方法基于m法计算土抗力,但限制土抗力的极限值不能超出被动土压力。
This paper introduces the main points of computing sheet pile wharf by considering the sheet pile as a vertical elastic foundation beam .
介绍采用 竖向弹性地基 梁法计算板桩码头的要点。
Vertical beam scanning for thinning cylindrical arrays
稀疏圆柱基阵 波束 垂直扫描
Diaphragm beam is the important part of a bridge which makes the vertical beam and cross beam work together .
横隔梁是桥梁的重要组成部分,使桥梁的 纵梁和横梁共同作用、整体受力。
The practicability of method of vertical beam on elastic foundation is relatively excellent in engineering design ; the method considering construction factors is realized in software of ANSYS in this paper .
钢板 桩 的 竖向弹性地基 梁法在工程设计中具有较强的实用价值,本文在ANSYS软件中实现了考虑土锚钢板桩结构施工因素的 竖向弹性地基梁法。
The influence of circular trim coil current variation on vertical beam behaviour is also determined experimentally .
同时也测量了 束 流引出 区环形补偿线圈中的励磁电流变化对 引出 束 流性能的影响。
In the theory of steel-concrete composite beams the effective width of concrete slab is a very important parameter of the section . Its value influences the bearing capacity and vertical deflection of the beam directly .
在钢-混凝土组合梁的计算理论中,混凝土翼板的有效宽度是一个极其重要的截面特征量,它的取值直接影响到组合 梁的承载力及 挠度 的 计算。
The vertical beam divergence angle is 28 ° and horizontal angle is 10 ° .
器件的 垂直 发散角为28°,水平发散角为10°。
Calculation and Measurement of Natural Frequencies of Vertical Flexible Beam
垂直柔性 梁固有频率的计算与测试
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[电] 垂直波束