Discusses the method to define pendulum bar length of sine mechanism by the leastsquares method, thereby the theoretical error is reduced.
下面，拟介绍利用最小二乘法的原理来确定正弦机构摆杆的工作长度，并分析由此产生的机构原
Determining the Acceleration of Gravity with Simple Pendulum The resulting length of path is greatly increased, with consequent increase in resistance.
用单摆测重力加速度&一摆球的大小对测量结果的影响结果路径长度大大增长，电阻增大。
The length of the simple pendulum and acceleration of gravity have different meaning which depends on special conditions.
在单摆的周期公式中，摆长和重力加速度，在特定条件下具有不同的意义。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
The controller design for the payload of gantry crane with various pendulum lengths includes servo control of the cart position and pendulum length, and anti-swaying control of the payload. A partial nonlinear decoupling control scheme is presented.
摆长时变的龙门吊车负载定位控制问题涉及小车位置和摆长位置的伺服控制及吊车负载的防摆控制，对此，给出一种部分非线性解耦的控制方法；
The relationship between the parameters (speed, the pendulum number, length, quality and installation location, the rolling friction coefficient and viscous damping coefficient) and the dynamic characteristics of pendulum-type automatic balance device was analyzed through simulation. 3.
通过参数化的仿真方法分析了各种参数（转速，摆锤个数、长度、质量及安装位置、滚动摩擦系数和粘性阻尼系数）和摆锤式自动平衡装置动态特性之间的关系。
The VS new vertical pendulum tilt meter has more stable mechanical body. Its bedplate uses the isosceles triangle structure, which increases the baseline length of the apparatus, as a result, the influence of install error reduces.
VS新型垂直摆倾斜仪，由于其机械本体更稳定，仪器底板采用等腰三角形结构，增加了仪器的基线长度，进而减小了安装误差对仪器性能的影响；
Numeric simulations showed that the controller reaches satisfied effect for the benchmark model, and importantly had strong robustness for nonlinear friction term, parameter variations including length and mass of pendulum and mass of carriage, and external disturbance as well.
数字仿真表明，控制器对摆的基准模型实现了较为满意的控制，而且该控制方法对非线性摩擦项，对摆长、摆质量、小车质量等参数变化以及外扰动具有强鲁棒性。
The motion of a simple pendulum with varying length coupled with a vertical motion is investigated, the second-order differential equation set of the motion is obtained in terms of plane polar coordinates.
研究了一个变摆长单摆运动的例子，在平面极坐标系下给出了描述该运动的二阶微分方程组。
And experiments were done according to pendulum parameters (number, length, quality and installation location). And the stability stay position of the pendulum were observed to verify " self-synchronization " phenomenon by using a digital camera.
针对各种摆锤参数（数量、长度、质量和安装位置）做了相应的实验。用数码相机对摆锤的稳定停留位置进行了图像采集，以验证自同期现象。
A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.
采用可变长度单摆的力学模型对秋千振荡给出初等分析，采用微扰近似法导出了秋千的非线性参数共振解析解，并进行了讨论。
An analysis of the motion of a single pendulum with variable suspension point and length
变悬点变摆长单摆运动分析
Objective: To evaluate the effects of the pendulum appliance on arch length, arch width, overbite and overjet.
目的：观察摆形矫治器对牙弓长度、牙弓宽度及覆牙合覆盖的影响。
The motion of a simple pendulum with varying length coupled with a vertical motion
关于变摆长的单摆运动与相关的铅直运动的耦合
Time Differences of a Pendulum Clock and the Calculation of Regulative Amount of Pendulum Length
摆钟时差和摆长调节量的计算
The influence of ground rotation on rotational pick-ups is presented in this paper, which is too small to be measured for almost all of the widely used accelerators because of the short conversion pendulum length.
本文阐述了地面转动对回转式拾振器反应的影响，指出目前使用的加速度计基本上均为回转式小折合摆长的加速度计，地面转动对摆反应的影响很小，可略去不计。
A hypothetical pendulum suspended by a weightless frictionless thread of constant length.
悬浮在一定长度的无摩擦力的细丝上的假定钟摆。