In contrast to the common ridge waveguide laser, tapered devices give rather small horizontal beam divergence.
与普通的脊形量子级联激光器相比，锥形量子级联激光器的水平远场发散角更小。
Using a tapered waveguide Raman cell, the interaction region between the pumping laser beam and Raman media is increased.
采用斜波导的喇曼氢气池，使泵浦激光束在波导内部传播，增大了受激喇曼散射的作用区域。
ABSTRACT Using a tapered waveguide Raman cell, the interaction region between the pumping laser beam and Raman media is increased.
采用斜波导的喇曼氢气池，使泵浦激光束在波导内部传播，增大了受激喇曼散射的作用区域。
Theoretical and particle simulation methods are used to investigate the transportation processes of intense relativistic electron beam guided by low magnetic field. It is shown that in the foilless diode, a magnetic field of tapered profile along the A-K gap can restrain the radial movement of electrons, and the undulation of radial movement is decreased in waveguide.
用理论和粒子模拟相结合的方法分析了强流薄环形相对论电子束在低磁场导引下，在均匀波导，无箔二极管，以及锥形波导和渐减磁场位形条件下的传输过程，研究了束包络的波动和如何减少波动的问题。
The paper takes shell elements to analyze and design tapered Ⅰ-section arc-shaped beam-column with holes in web in stead of beam elements, and the method can take intension, formation and stability into account at one time, which is simple and rather accurate and can be used in resemble engineering.
采用壳单元建模分析设计腹板开圆孔工字形变截面弧形压弯构件，它可克服梁单元建模的不便，同时考虑结构的强度、刚度、稳定性，具有方便简捷、精确度高的特点。
Design of tapered Ⅰ-section arc-shaped beam-column with holes in web; 2. The structure, working principle and controlling way of the arc-shaped linear motor which runs on the ferromagnetic pipeline as the secondary pole are discussed in detail.
较详细地论述了一种依托于铁磁性材料制成的管道为次级的弧形直线感应电动机的结构、工作原理，为管道爬行器提供体积小、动力足、安全可靠的驱动方式，与老式旋转电动机比较，它在未来管道爬行器驱动方面具有更广阔的前景和优势。
The purpose of this paper is to make an analytical expression of the field in up-tapered fibre by using the Huygens-Fresnel diffraction integral and path-integral methods in quantum mechanics. Ray matrix of Gaussian Beam in derived under WKBJ approach.
本文利用Huygens-Fresnel衍射积分和量子力学中的路径积分方法，推导出在倒拉锥光纤中光场的解析表示式，并在WKBJ近似下得到了高斯光束传播的射线矩阵。
Pulling the end of a fiber into a tapered area, optical fiber transmission and fiber coupling, as well as fiber beam splitting can be realized for the special transmission and coupling characteristic in the tapered area.
将通信光纤的末端拉制成锥形，利用光信号在光纤锥形区特有的传输和耦合特性，实现了光纤的耦合、连接和分束。
Beam width and variable periodic node point of tapered GRIN lens
锥形GRIN透镜的光束宽度和变周期节点
Multiple objectives optimization of hingeless rotor tapered box-beam blades based on aeroelastic stability
无铰旋翼变截面盒型梁桨叶气弹动力学多目标优化
Hysteresis of tapered H-section steel short beam with thin web under cyclic load ⅰ: experiment
低周往复荷载下楔形H形钢短梁滞回性能Ⅰ：试验研究
Exact calculating formula of area moment of inertia of H-section steel beam is instead of its approximate calculating formula, So transfer matrix method of tapered H-section steel beam about its internal force analysis is established.
用H型钢梁截面惯性矩较精确的近似计算公式来代替其精确计算公式，从而建立了楔形H型钢梁内力分析的传递矩阵法。
The displacement mode of a tapered beam is derived according to the tapered members with I sections used very often for steel structures, on the basis of which corresponding shape function and stiffness matrix are obtained by finite element theory and a symbolic software.
针对钢结构中常用的工字形截面楔形构件，推导出了楔形梁的位移模式，并在此基础上，用有限元原理，通过符号计算软件，求得相应的形函数与刚度矩阵。
Analysis of linearly tapered optical waveguide with the finite element beam propagation method
有限元光束传输法分析锥形线性波导
By use of the FEM program, the paper contrasts the differences of static calculation and stability analysis results of tapered portal frame structure analyzed by uniform section beam elements and tapered section beam elements respectively.
利用该程序，比较了分别用等截面梁单元和变截面梁单元对变截面刚架进行静力计算和平面内稳定性分析的差异。
The exact static shape functions of the two tapered beam are presented, and can be used in developing the exact stiffness matrix through classic finite element method.
通过微分方程法得到了这两种变截面梁单元的静态精确形函数，从而可通过此精确形函数由经典有限元方法推导出相应变截面梁的精确刚度阵。
Analysis of Ultimate Bearing Capacity of the Cold-Formed Thin-Walled C-Steel and the Combined Square Tube Colunm Behaviour of Bi-Axially Loaded Thin-Walled Tapered Beam-Columns with Doubly Symmetric Sections
冷弯薄壁型钢C形及组合方管柱的极限承载力研究具有双对称截面的双轴加载薄壁楔形梁柱的性能分析
The barrel is treated as a tapered cantilever beam on which the recoil inertia load, Bourdon load, and the load generated by a high speed moving projectile are acted.
本文把炮管处理成圆锥形悬臂梁，其上受有后坐惯性载荷，布尔登（Bourdon）载荷，高速移动弹丸载荷。
In this paper, the elemental stiffness matrix of a rotating twisted and tapered beam, due to deformation of axial direc - tion, bending and shearing including shearing deflection and rotation effects, is studied.
本文研究了在剪切变形和转动的影响下，在轴向变形、弯曲变形和剪切变形的作用下的旋转变截面扭梁的单元刚度矩阵。