Stepper motor is a motor controlled by digital signal, which converts pulse signal into Angle displacement. The wheeling speed is controlled by the frequency of pulse signal.
步进电机是一种数字控制电机，它将脉冲信号转变成角位移，电机的转速由脉冲信号频率决定。
This paper presents a minimum weight design method of structures with multi frequency, displacement and stress constraints.
本文给出了具有多个频率、位移和应力约束的结构最轻重量设计。
Through the loading test of different displacement amplitude, various loading frequency and circulation, working properties of lead-core rubber damper were investigated.
通过不同位移幅值、不同频率和不同循环的加载试验，研究了铅芯橡胶阻尼器的工作性能。
The tests of frequency sweeping and dynamic displacement sweeping at different temperatures for the viscoelastic material silicon rubber were conducted.
对硅橡胶粘弹性阻尼材料进行不同温度的频率扫描和动态位移扫描实验。
It is very important to apply rotation vector algorithm to the GFSINS that how to attain the relative angular displacement and meet its precision and updating frequency.
为了在无陀螺捷联惯导系统中应用旋转矢量算法，如何获得载体的相对角位移、并保证载体相对角位移的精度和更新频率是非常重要的问题。
The optimization constraints can be stress, stiffness, displacement, frequency or buckling load and dynamic response.
优化的约束条件包括应力、刚度、位移、频率、临界压力及动响应。
This paper has worked out the vibration equation of cable truss by treating it as a discrete system and solved the vibration frequency and the displacement responses under stochastic wind loading.
本文采用离散理论求得索桁架的振动方程，进一步可求得在随机风荷载作用下索桁架结构的振动频率及其位移响应。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。
The types, principles, features, and applications of displacement sensor used in ultra-low frequency active vibration isolation control are introduced.
介绍了超低频主动隔振控制中常用的位移传感器的类型、工作原理、结构特点及适用范围。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
Based on wave equation, the formula of displacement and strain in different section are derived, and the frequency equation is given.
从波动方程出发推导了各分段的位移及应变的表达式，同时给出了频率方程。
A method using the frequency divtion multiplexing technique of the laser speckle's spatial frequency to record multiple displacement information on a single specklegram is presented.
利用激光散斑空间频率的频分多路传输技术，能够在一张散斑图上记录物体多次变形的全场位移信息。
The analytical solutions of stresses, displacement and pore pressure amplitude are derived in frequency domain by introducing two scalar potential functions.
引入两个势函数，在频域中得到了应力、位移和超孔隙水压力响应解答。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.
以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。
The experimental results show that there is a maximum displacement of the film when increasing the actuating current and frequency.
结果表明，随着驱动电流和频率的增加，驱动膜有一个最大的位移值。
Normal modes in the pole and important characteristic parameters such as resonance frequency and position of the displacement node are obtained using the finite element method.
并应用有限元法对变幅杆进行了模态分析，得到了共振频率和位移节点等重要参数。
During cantilever construction of CCTV main building, high frequency, high precision and multi-point dynamic monitoring is used in tower crane displacement installation and usage.
CCTV主楼悬臂施工阶段，对塔式起重机在移位安装至悬臂部位过程中和使用状态下进行高频次、高精度、多点位动态监测。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
The friction drive mechanism moves well even when driven at high frequency and with long strokes, so it can be used with open-loop control systems for micro displacement.
进给速度可通过改变驱动脉冲的频率调节，机构在高频驱动大位移动作时亦表现出准确的步进特性，可用于小型机电系统的开环进给驱动。
The dynamic behaviour of the pile is presented as frequency response curves for displacement, stiffness, dashpot constant and damping ratio.
桩的动力特性用刚度、阻尼和位移的频率响应曲线来表达。
Basedes, the higer the load frequency, the smaller the vertical displacement of slab track is.
荷载频率越高，板式轨道的竖直位移越小。
Through analysis to the surge response, we can find that when the frequency of the incident wave is too low to the inhered surge frequency of TLP, very big displacement will take place.
经过计算分析，发现在入射波频率很低且接近张力腿平台纵荡固有频率时，平台将会产生很大位移。
Utilizing variable frequency transducer to get the displacement signal directly, the multimeter can show the tension or compression deformation after the micro-processing of signal.
本仪表采用电感调频式传感器直接输出表征位移的数字信号，经单片机处理后，即可显示拉压变形量。
Influence of rotational speed on the time-dependent displacement response variance and influence of sampling frequency on the time-dependent displacement response variance curve are discussed.
讨论了不同转速对位移响应时变方差的影响和不同采样角频率对位移响应时变方差曲线的影响。
The two direct factors affecting wimmer's speed are the body displacement and frequency, which are found by measurements.
通过测定发现，影响游泳运动员游速快慢的两个最直接因素是划步与频率。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
The natural frequency, damping ratio, mode shapes, maximum displacement and failure property of the system were calculated and analyzed based on shaking table test.
的固有频率，阻尼比，模态振型，最大位移和破坏财产的系统进行了计算和分析的基础上的振动台试验。
Controlling the volume displacement of vibration plate has previously been shown to be a good strategy to reduce its overall sound radiation at low frequency.
控制振动板结构的体积位移是降低结构总声功率的一种有效策略。
The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed.
试验结果表明：相对位移对表面光洁度的影响是线性”的，不仅与振动幅值有关而且与振动频率及主轴转速有关。
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