介绍了一种利用光栅的多缝衍射分光代替传统转角法的角度测量的微透镜焦距测量方法。
A new method of microlens focal length measurement by rotation method based on grating diffraction is introduced.
试验验证表明,用二次规划求解的强迫转角法是进行钢筋混凝土连续梁弹塑性分析的有效方法。
Some experiments show that the "imposed rotation method" derived from quadratic programming is a useful method in elastoplastic analysis of reinforced concrete continuous beams.
针对余热锅炉钢结构高强度螺栓在转角法工艺条件下连接,轴向预紧力难以测量和检验,提出了高强度螺栓连接安装质量监督检验的有效方法。
The axial preloads are difficult to measure and check when the steel structure high strength bolt connecting is implemented by rotation method.
该文还应用静力凝聚法,凝聚掉平面内位移和转角自由度,这样,求解特征值问题的工作量将大大减少。
The static elimination method is used to eliminate the in plane and rotation displacements, thus the time for calculating the eigenvalue problem is decreased greatly.
对刚柔耦合回转角和刚柔耦合振动的微分方程,则通过摄动法求解。
The rotating Angle and vibration of rigid-flexible coupling are solved by the perturbation method.
详细分析了整数圈数双头涡旋齿涡旋盘所受的切向力气体力、法向气体力、轴向气体力,提出了在任意曲轴转角下的各种气体力及各个工作腔容积的计算公式。
On the basis of the analysis of each gas force in the twin - scroll compressors, the calculation formulae of working volume and each gas force at all different crankshaft angles were derived.
本文比较了二加速度计法、四加速度计法和感应线圈法等三种火箭弹滚转角测量方法,并详细地分析了该方法的测试原理误差。
Three test methods, including two-accelerometers method, four-accelerometers method and geomagnetic induction coil method, for measuring rocket rotation angle are put forward in this paper.
目的通过CT法及裸骨投照测量法(以下简称“裸骨法”)测量股骨扭转角的比较,探讨CT测量扭转角的可靠性。
Objective Compared with ct scan method and "bare-bone method" of measuring femoral torsion Angle, to study the reliability of measuring torsion Angle by means of ct method.
本文基于一种常用的扭转试验机,采用了技术较为成熟的扭矩传感器,通过平衡力法测量扭矩,并采用光电编码器测量扭转角;
Torque is measured by equilibrant method in virtue of torque transducer and torsional angle is measured in virtue of photoelectric coder on conventional experimental machine.
采用改进的水平层分析法计算各转角下的土压力分布,并得到土压力合力大小及其作用点的计算公式。
The modified horizontal layer analysis method of active pressure was used to calculate lateral earth pressures, total lateral forces and the applied points under different rotating angles.
简要介绍等通道转角挤压法(ECAE)的基本原理及通过该方法得到的有效应变量的主要影响因素。
The mechanism of Equal Channel Angular Extrusion (ECAE) is briefly introduced, the influential factors on effect strain obtained by severe plastic deformation are also presented.
以广义移动最小二乘法为理论基础,将同时考虑挠度和转角双变量的无单元法运用于欧拉梁的动力特性计算与分析。
Based on the generalized moving least square method, a new Element-Free Galerkin (EFG) double-variable approximation is applied to dynamic characteristic calculation and analysis of Euler beam.
为了提高用莫尔条纹法测量扭转角的测量精度,分析了光栅周期不一致对扭转角测量误差的影响。
With the aim to improve the measuring precision of a roll angle based on Moiré fringe method, the influence of inconsistent periods of two gratings on the measurement precision is analyzed.
方法分别采用CT法及裸骨法测量80个股骨标本股骨扭转角,对测定值进行统计学分析,并作左右两侧比较。
Methods Torsion angles were measured with CT method and a new photogrammery of digital camera respectively in 80 femoral specimens. Compared of the values in both left and right sides.
综述等通道转角挤压法研究和应用现状,同时展望该方法的应用前景。
In the mean time, the research and application of ECAE technique are reviewed, and the perspectives of the technique are...
采用有限元分析法对不同固定方式下镜面热变形进行分析,结果表明:镜体释放热应力前后的法向角度偏差可达近3个数量级;在合理采用压板固定方式后,镜面法向偏转角度在10?。
Applying finite element method to analyze shows that normal angle deviation of mirror body before and after thermal tension being released can be nearly 3 order magnitude which is 10?
利用平面波法分析了二维液晶光子晶体的带隙结构,着重对三角形和正方形空气孔光子晶体带隙随液晶旋转角的变化情况进行了分析和比较。
The influences of the wave vectors off the periodic plane on the distribution of energy bands of triangular, honeycomb and square lattices are analyzed by plane wave method.
利用平面波法分析了二维液晶光子晶体的带隙结构,着重对三角形和正方形空气孔光子晶体带隙随液晶旋转角的变化情况进行了分析和比较。
The influences of the wave vectors off the periodic plane on the distribution of energy bands of triangular, honeycomb and square lattices are analyzed by plane wave method.
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