查询词典 on the beam

Through elaborating theoretical basis of modal analysis,the value is researched about standard simple-supported damaged beam so as to find out the influence of different damage position on beam vibration modal and their correlation.

通过论述模态分析技术的理论基础，并对标准简支损伤梁振型的数值研究，可揭示出不同损伤位置对梁振动模态的影响，从而提出一种桥梁损伤诊断的新思路。

College of Civil Engineering , Beijing University of Technology, Beijing 100022, China A numerical analysis method for elastic-plastic seismic response of concrete block masonry is presented based on open system for earthquake engineering simulation system. The method simulates concrete block masonry by using equivalent frame model with rigid offsets; the space beam-column elements are simulated by force based nonlinear beam-column elements.

基于地震工程模拟开放系统OpenSees，提出了混凝土砌块砌体结构三维弹塑性地震反应数值分析方法，用带刚域的等效框架模型模拟混凝土砌块砌体结构，空间杆单元采用以力为基础的非线性梁、柱单元。

In order to ensure sensitivity and precision of transducer of spring beam,according to "stress concentration" design philosophy,based on reasonable choice of transducer,its strain and strength are calculated using FEM,the paster place of spring beam should be ascertained in reason,and the transducer's maximum strain orientation and measuring range are determined theoretically.

采用弹性梁对旧式液压万能材料试验机下横梁进行改造，为确保弹性梁传感器的灵敏度和精度，根据应用"应力集中"的设计原则，在合理选择传感器结构基础上，采用有限元法对其应变和强度进行计算，合理确定弹性梁的贴片部位，从理论上确定传感器的最大应变方位及传感器的量程。

All optical switches use the third-order optical nonlinearity of materials, whose work principle can be described as follows. One laser beam inducing the change of refractive index of materials, signal beam transmitted in mate rials will produce accessional phase change to realizing the "On" or "Off" ofoptical switches.

全光开关的工作原理利用了材料的三阶非线性光学特性，用一束光引起材料的折射率发生变化，信号光在其中通过时就会带来相位的变化，从而实现光开关的开关动作。

By comparing and analysing the features of the definition on beam radius and beam quality theoretically and experimently, a scientific definition about high power solid-state laser mode, i.

并在混合模系数中引入了模间相干项和相干系数，得到了模间完全相干、部分相干和完全不相干时的表达形式。

The structure of the MIGmust be carefully selected, as the tiny change on it will affect beam performance highly, and beam current will fluctuate punily.

减小Bc可以增大电子注的速度比，还可以减小电子注的横向速度零散，但是当电子注的速度比增大到一定值时，电子注的性能就会变得不太稳定。

The first step is reviewing conventional methods of digital beam forming, including WINER method, Steepest-Descent method, LMS, RLS etc. Then , recent digital beam forming methods in the DS-CDMA mobile telecommunications systems are studied, including the algorithm based on least-squares despread respread Multi-Target array, least-squares Despread Respread Multi-Target Constant Modulus Array , Pilot bit LMS-DRMTA algorithm etc.

本文首先简介传统的DBF算法，包括维纳算法、最陡下降算法、最小均方算法、递归最小二乘算法等；然后介绍基于DS-CDMA移动通信系统的DBF算法，包括LS-DRMTA、LS-DRMTCMA导频LMS-DRMTA算法等；最后给出各种算法的仿真结果及分析。

For example, you might have the main sequence beam in your program controlling a robot's forward motion but have a second sequence beam controlling a robotic arm that sits on top of the robot.

举例来说，可以让主程序轴控制机器人向前移动，同时让次程序轴控制其手臂的动作。

The evaluation method of bearing capacity of RC composite beam bridge based on non-linear properties of the RC composite beam bridge is presented in this paper.

本文在掌握了钢筋混凝土组合梁桥的非线性性能的基础上，研究制订了该类桥梁承载能力的评定方法，可供实践试用

The paper deeply studies L-C brake beam of freight car and finds some questions about it in the way of design and technique through analysis of the failure happened on L-C brake beam.

通过分析货车L-C组合制动梁在车辆上出现的各种严重问题，深入探讨L-C制动梁在设计与工艺方面具体存在的问题。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐