单摆

基于MATLAB的单摆周期近似解的比较

Approximate period formulae of a simple pendulum : comparison with MATLAB

运用g值当量概念求单摆的周期

Obtained Period of Simple Pendulum by the Conception of Equivalence About G 's Value

叠代法中往往使用单摆和冲击板

An alternative approach using pendulums and dashpots is often used .

用Matlab软件求单摆的运动

A Solution of Motion of a Simple Pendulum using Matlab Software

旋转单摆的Jacobi椭圆函数解

A Solution of a Revolving Single Pendulum usIng Jacobi Elliptic Function

介绍了由单摆改进而成的倒摆、折叠摆、X摆和锥摆等超低频水平隔振系统。

The inverted pendulum , folded pendulum , X pendulum and conical pendulum ultra-low frequency vibration isolation systems , which are developed from single pendulum , are introduced .

从扭转弹性棒上的单摆链导出了SineGordon方程，该方程有孤子解。

The Sine-Gordon equation is deduced from a pendulum chain on an elastic bar , which has a solution of soliton .

利用单摆划痕法的冲击加载特性，研究了Ni-P化学镀层的冲击磨粒磨损性能。

Impact abrasive wear behavior of electroless Ni-P coating was researched by means of single-pass pendulum scratching test characterized by impact loading .

微量群聚法，粒子群聚最佳化，旋转型倒单摆，LQ控制器，性能响应，线性化。

Particle Swarm Optimization , PSO , Optimal , Linearized , LQ Regulator , Rotary Inverted Pendulum System .

单摆法测重力加速度是物理学中一个传统的实验，方法简单易操作，且容易测得较精确的g值（在不考虑空气浮力、空气的粘滞阻力、lr及θ角较小的情况下）。

Modify expressions of single-pendulum method measure gravity acceleration is one tradition experiment of physics , method simple and operation even measure to obtain accurate " g " .

对非线性单摆运动进行了数值分析，用Matlab绘出其运动相图，并求出了它在一定条件下的Jacobi椭圆函数解。

Some solutions of the motion of a nonlinear simple pendulum are obtained using Jacobi elliptic function under certain conditions by the help of numerical analysis and phase pattern drawed by Matlab .

无需计算Jacobi椭圆函数，得到了无阻尼单摆运动方程的14种借Jacobi椭圆函数、双曲函数和三角函数表示的精确解。

Without calculating the Jacobi elliptic functions , 14 kinds of exact solutions expressed by various Jacobi elliptic functions , hyperbolic functions and trigonometric functions of the undamped single pendulum equation of motion are obtained .

对于耦合的单摆-谐振子系统，先用Melnikov函数研究了在哈密顿扰动下发生混沌的必要条件；

For the coupled simple pendulum and harmonic oscillator , the Melnikov function is used to determine the condition for the onset of chaos in the case of Hamiltonian perturbations .

方法用金属单摆打击装置复制了大鼠脑震荡模型，用Morris水迷宫检测脑震荡后大鼠近期和中期的学习记忆能力。

Methods Animal model of concussive brain injury in SD rats was duplicated using a metallic pendulum striker concussive device . Learning and memory ability was detected following concussive brain injury in rats during short and mid term post concussion with Morris Water Maze .

通过对ZTA陶瓷超声辅助单点金刚石单摆刻划过程的声发射信号进行时频分析，结合划痕CCI图像，获得材料脆延去除特征频率范围。

The characteristic frequency range of material removal is obtained through the time-frequency analysis of the acoustic emission signals in single point diamond pendulum scratch of ZTA engineering ceramics together with the CCI images of scratch marks .

选择纯白色短毛3～4月体重0.8～0.9Kg家猫，使用改良单摆式颅脑损伤仪给予8.85～10.11J力量一次性扣击猫头枕部易建立理想的猫轻型脑外伤动物模型。

Impact with strength of 8.85 ~ 10.11J in occipital part of cat can easily create ideal animal model of mild Traumatic Brain Injury of cats .

利用稳定性理论和Floquet理论研究了周期系数线性微分方程组的稳定性条件。最后，将周期系数线性微分方程组的稳定性理论应用于一类含有参数的倒立单摆模型。

Then , this paper studys the stability conditions of periodic coefficient linear differential equations with stability theory and Floquet theory . Lastly , the stability theory of periodic coefficient linear differential equations are applied to a class of parametric inverted pendulum model .

在随机混沌研究中，应用随机Melnikov过程的均方准则研究了单摆在有界噪声激励下发生混沌或随机混沌时有界噪声激励的临界幅值；

In the study of the stochastic chaos in simple pendulum , the random Melnikov process is derived and the mean-square criterion is used to determine the threshold amplitude of the bounded noise excitation for the onset of the chaos or random chaos in the system .

针对由于积分累计造成的位移基线漂移的不合理现象，应用10s单摆速度评价法原理，编制FORTRAN程序，计算出较合理的速度时程和位移时程，并总结对地震波的处理方法。

In view of unreasonable phenomenon caused by integration cumulative leads to displacement baseline drift , based on 10 second pendulum velocity evaluation method , a FORTRAN program is compiled to compute more reasonable velocity and displacement time history , and summed up the method on seismic wave processing .

其次，对车轮阻尼器的降噪效果进行实验分析。实验采用激振单摆、加速度传感器、电荷放大器、声级计、智能信号采集处理分析仪以及DASP软件组成的测试系统。

Secondly , experiments were made to analyze the effect of the wheel damper , we used the system composed of a self-made pendulum , three acceleration sensors , a four-channel charge amplifier , a sound level meter , a signal collection analyzer and the DASP software .

单摆周期公式适用范围分析

Analysis of the Scope of Application for Simple Pendulum Cycle Formula

台车-单摆耦合系统的混沌行为、混沌控制与同步

Chaos , chaos control and synchronization of the coupled trolley-pendulum system

单摆在振动中的受力分析

Analysis of the Received Forces of a simple Pendulum during Oscillation

单摆非线性运动方程的微扰近似解法

Perturbation Approximative Method of Nonlinear Motion Equation of A Simple Pendulum

单摆周期的相图求法

The period of a simple pendulum calculated by its phase diagram

单摆实验中减小误差的技巧

The Skill of Reducing Errors in the Experiment of Simple Pendulum

悬点振动单摆运动的计算机模拟

A computer simulation for simple pendulum with a vibrating hanging point

单摆作谐振动的最大摆角的分析

More discussion on maximum pendulum angle of harmonic vibration simple pendulum

而你家的那台单摆钟比正常时间快了5天。

Your pendulum clock would now be ahead by five days .

微扰法求单摆运动的非线性解

Nonlinear Solution for Simple Pendulum Motion by Slight disturbance Method