So in tested systematic development choose some advanced testers according to the need, for example moves to spread the feeling machine and speeds to spread the feeling machine and the A/ D conversion machines and also on the basis of programming with VB which is realized the development of a testing software, in order to be arouse to flap to equip the produce to move and the speed curve, then get the vibration regulation of vibrate the pedestal.
最后选用悬臂梁机械振动台，其激振装置是设计了一个能产生正玄波位移的凸轮和一个能产生三角波位移的凸轮。在测试系统开发部分根据需要选择了一些先进的测试仪器，比如位移传感器和速度传感器以及A/D转换器，并且基于用VB语言编写程序所实现的测试软件的开发以便得到激振装置所产生的位移和速度曲线，然后得到振动台的振动规律。
Finally, based on the theory of Timoshenko beam, a beam model of this crankshaft is built, which is compared with solid model. The results indicate that this beam model can meet the needs of calculation precision and calculation efficiency. With this beam model, the condition in which real loads are put on the crankshaft is simulated. The displacement curves、velocity curves、acceleration curves of the main journals and the pulley of this crankshaft and torsion vibration curve of the pulley are then gained. With these curves, the dynamic characteristic of the crankshaft is analyzed. The conclusion indicates that this crankshaft has good dynamic characteristic.
最后利用Timoshenko梁理论建立了曲轴的梁单元模型，将此梁单元模型与体单元模型进行了比较，结果表明梁单元模型能够满足精确度和计算效率的要求；利用该梁单元模型，模拟了实际条件下的载荷作用时曲轴的响应，得到了曲轴各主轴颈和皮带轮端的位移、速度、加速度曲线以及皮带轮端的扭转振动曲线，分析了曲轴的动态特性，结论表明该型曲轴具有良好的动态特性。
By means of comparing the curve of sound pressure amplitude difference vs. frequency and that of the vibration acceleration vs. frequency, the theoretical analysis is verified. in addition, the author has reconstructed a combustion chamber, which belonged to an aviation engine.
为建立一个消声器热态实验台架，本文对一个航空发动机的燃烧室进行了改造，把其所有的燃料换成了液化石油气，并简化了燃油供给系统和点火系统。
In the paper, the dynamics axial cutting thickness, cutting graphics, the number of intersect curve are introduced, a concept of cutting time ratio is presented, which is the ratio of cutting time to the vibration cycle.
本文在对振动钻削过程中动态切削厚度、切削图形、轨迹的波数进行分析的基础上，研究了切削时间比（振动钻削一个周期内，实切时间和振动周期的比值）的变化规律。
Under normal condition and the same rotation speed, the correlation dimensions about time history curve of block vibration signals are approximately equal for all kinds of IC engines, which may imply that there are indeed some invariant and generally suitable coefficients in the signal of block surface vibration.
在正常状态、相同转速下，各种机型的机身表面振动时历曲线的关联维均近似相等，这可能暗示着机身振动中确实存在着某些不变的、具有普适性意义的参数。
A field vibration test was conducted for Yinzhengou Bridge on JingTong Railway Line, resulting in the lateral vibration characteristics of the bridge, and a typical time-history curve of the wheel-rail action force, derailment coefficient of trains, and the rate of wheel load reduction, providing measured data for further study on the lateral vibration of rectangular-shaped bridge piers.
通过对京通线银镇沟桥的现场振动测试，得到该桥的横向振动特性，给出桥上列车轮轨作用力的典型时程曲线和列车的脱轨系数及轮重减载率，为进一步研究矩形桥墩的横向振动提供实测数据。
In this thesis, the phenomena of coupled vibration between medium-small span curve bridge and vehicle is studied.
本文主要研究高速铁路中小跨度曲线梁桥的车桥耦合振动问题。
By applying the sinusoidal wave mode to simulate the rugged surface of bridge deck, accounting for vehicle-bridge interaction and using Euler-Bernoulli beam theory, a coupling vibration model of vehicle-bridge system was developed. The model was solved by mode analyzing method and Runge-Kutta method, and the dynamic response and the resonance curve of the bridge were obtained. It is found that there are two resonance regions, one represents the main resonance while the other the minor resonance, in the reson...
通过用正弦波形模拟桥面的不平和考虑移动车辆-桥梁间的相互作用，在Euler＿Bernoulli梁理论的基础上建立了一种车桥系统的耦合振动模型·利用模态分析法和Runge＿Kutta法对模型进行数值求解，获得了车桥系统耦合振动的动态响应和共振曲线·发现车桥耦合振动的共振曲线中存在两个共振区域，一个反映主共振而另一个反映次共振·讨论了桥面不平、桥梁振型和车辆间的相互作用对系统振动的影响·数值结果表明，这些参数对系统振动的影响很大，桥面不平和振型对车桥系统耦合振动的影响不能忽略，设计车速应该远离临界车速
Through the spot measurement of the pump and downstream pipeline noise, and analyzing the spectrum analysis curve of sound pressure level and sound intensity level, this paper offers basis for the fundamental reason study of high vibration and noise, and puts forward t.
通过对泵及下游管线噪声进行现场测量，以及对各测点声压级谱分析曲线和声强级谱分析曲线的分析，为研究其振动和噪声高的根本原因、提出合适的改造方案提供依据。
The analysis of vibration diaphragm, the study uses frequency response measure system to get frequency response curve figure and get composition and bonding analysis by ESCA. In addition to a better understanding of DLC filmproperties, the study grow DLC films on PET board and Si wafer sample to get the surface morphology, optical performance and thickness(optical characteristic measurement system) of DLC film.
振动膜分析方面，以频率响应量测系统得到频率响应曲线图，成份及键结分析以ESCA量测，另外为了更加了解振动膜上的类钻碳薄膜性质，以PET板及Si wafer做为基材，取得类钻碳薄膜的表面形貌、光学性能及厚度。
In order to overcome this problem, the global optimization search numerical method was used to solve several parameters, which made the damping boring bar has the minimal value of the relative vibration amplitude when the exciting frequency of vibration was in a wide range of changes. In order to obtain the conclusive optimal parameters, the parameters were amended by the frequency response curve with the smallest area method.
为了克服这个难题，可以首先采用全局寻优数值搜索法来求出激振频率在很宽范围变化时，都使得减振镗杆取得相对振幅值的极小值的设计参数值；然后利用幅频响应曲线面积最小法来修正参数值从而得到一组最优参数值。
By a free vibration test of a rigid frame, vibration curve with time history of t he unbonded prestressing tendon in the coating is recorded under different later al pressure and two different frequencies which are similar to site construction.
通过一个刚架的自由振动试验，记录了与工程实际较接近的两种振动频率下，在不同的侧向压力下无粘结预应力筋在涂层材料中的振动时程曲线。
The vibration vision of the simple harmonic motion is a sine curve.
三，简谐运动的振动图象是正弦曲线。
The dynamic behaviors were studied theoretically using an asymptotic method and the approximate analytic solutions were obtained in an explicit formulation. The time domain waveform curve and axis trace map of the rotor system vibration were given, and the maximum axis displacement influenced by excitation frequency and system damping was analyzed.
建立了激励幅值慢变转子系统的动力学模型，利用渐近法对其动力学行为进行解析研究，得到了用显式形式表示的近似解析解，给出了系统响应的时域波形图和轴心轨迹图，分析了激励频率和系统阻尼对最大轴心位移的影响。
By the use of Circling cluster and Envlopment theory and flat surface sit-mark transformation theory, the chain wheel tooth equation of roller chain at high speed to match conjugage engagement is deduced. Establishing chain speed equation of roller chain at high speed, based on the analysis of the speed curves between roller chain at high speed and common roller chain, good drive of roller chain at high speed is verificated theoretically. By a example that move distance from transverse vibration between roller chain at high speed and common roller chain is contrasted, the accuracy of those theories that the paper brings up and higher functions of roller chain at high speed is proved. Finally, Establishing conjugage engagement line equation of roller chain at high speed and analyzing the complete engagement zone, the chain wheel tooth curve equation is studied at a higher degree. At the same time, the lack's place of the research result is pointed out.
依据高速滚子链设计要求与H_y-V_0齿形链的研究，阐述了滚子链传动实现准共轭啮合理论可能性；利用圆族包络法结合平面坐标变换理论推导出了满足共轭啮合的高速滚子链的链轮齿廓曲线；建立起高速滚子链链速方程，通过对高速滚子链与普通滚子链链速曲线的对比分析，从理论上验证了高速滚子链具有良好的传动性能；最后，建立起高速滚子链共轭啮合线方程，对其整个啮合区间进行了分析，进一步研究了链轮齿廓曲线方程，确定了主要参数的设计方法的问题，并同时指出了不足之处。
This paper also offers an approximate solution of the resonance curve for stationary state vibration of the single-degree-of-freedom system.
通过对单自由度隔震体系的试验分析，给出了在不同扰力水平下隔震体系稳态振动的共振曲线近似计算公式。
Given the same vibrating frequency and similar reinforcement size, testing object tested the impact of bond stress under various concrete densities, vibrating positions and vibrating durations, and mapping its correlations into a curve chart, to help understand whether bonding of reinforcement concrete is compromised after the effect of vibration factored in. As indicated by the test result, concrete of planned density 210kgf/cm2 suffered obvious damage on vibration, whereas concrete of planned density over 210kgf/cm2 didn`t seem to suffer in bond stress from various vibrations.
试体藉由相同震动频率及钢筋尺寸一致下、以各种不同之混凝土强度及不同之震动位置及不同之震动时间等变数，试验其握裹应力之影响并建立其间之关系曲线图，以了解钢筋混凝土受到震动后其握裹力是否有折损情况；经由试验结果显示，混凝土规划强度210kgf/cm2者钢筋受震动时有明显折损现象，混凝土规划强度280kgf/cm2以上者，各种震动试验握裹应力均无明显折损现象。
First, from the conservative point of view, dynamic stress calculations were conducted by directly exerting the measured vibration loads of pier in three directions on the pipeline and the stress spectrums of nodes with time were obtained. Second, the rain-flowing counting method was employed to sort the stress level and frequency. Finally, the S-N material fatigue curve and the Miner linear cumulative damnification principle were commonly applied to evaluate the fatigue lifetime of the pipeline, and effects of various mechanical parameters of soil as well as vibration frequency of bridge were analyzed, which provided an effective engineering analysis method for these kinds of fatigue problems of the buried pipeline.
首先，偏于安全考虑，将测得的桥墩上三个方向振动载荷直接施加于管线上，进行动应力计算，获得随时间变化的应力谱；其次，运用雨流计数法对应力水平和频次进行分类；最后，运用材料S-N疲劳曲线和Miner线性累积损伤原理对管线的疲劳寿命进行评估，且分析不同土壤力学性能参数和桥梁振动频次等因素对管线疲劳寿命的影响，为埋地管线的此类疲劳问题提供一个有效的工程分析方法。
By the experiment elects the crucial factors of current vibration environment in Longmen Grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of Longmen Grottoes.
通过对石窟实际振动环境中典型要素的抽取和振动试验，将试验结果与疲劳曲线进行对比，分析了龙门石窟的疲劳破坏效应。
Through solving the electromechanical coupling dynamic equations motor speed, current, and acceleration curve of indexing plate and load plate were obtained, and the influence of motor speed and load change on electromechanical coupling vibration characteristic was also obtained.
对机电耦合动力学方程进行求解，得到电机转速、电流以及分度盘与载荷盘的加速度变化曲线，并且得到了电机转速及负载变化对机电耦合振动特性的影响。