查询词典 oscillation

Analytical approximate periods and periodic solutions to large amplitude oscillation of a simple pendulum are constructed using a new method.

构造了单摆大振幅振动的高精度解析逼近周期和周期解。

It is found that the carrier phase and the parameter of sine function affect the pulse energy and the center of time gravity seriously when the pulse width is shorter than one optical oscillation period.

结果表明载波相位和正弦函数的参数对超短正弦高斯脉冲的脉冲能量和时间重心有很大的影响。

Then the selfsustained oscillation and its stability are studied for the case when the nonlinearities are single-valued and symmetric.

然后研究了自振(过去这方面的研究有[1]及[2])及其稳定性，这时假定所有元件都是单值对称的。

Using the method of singular Lyapunov's function, we give the theories which singular systems exist stationary oscillation.

第四章对广义系统给出其有界性的相关定义，利用广义Lyapunov函数，讨论了广义非线性系统的有界性问题，并得到了周期广义系统若存在一个最终有界解，则必存在周期解的结论，推广了古典系统相应的结论。

This paper shows a new wave of non sinusoidal oscillation of mold new trapezoid and the establishment of its equations of velocity.

提出了一种新的结晶器非正弦振动波形新梯形波，并建立了该振动波形的速度表达式。

The analytical solution formula of the light-intensity oscillation variance of multiple beams is deduced.

并在此基础上形成多光束光强起伏方差的解析表达式。

A measuring approach of pressure oscillation has been developed and experiments are conducted in a 10 liter two-dimension air-lift loop reactor. The experimental results show that the local mass transfer parameters have close relationship with the operating conditions, the structure of ALR and the properties of the reaction systems. A series of measurements of pressure pulse indicate that a gas distribution zone exists near the gas sparger, and in this zone the responding signals of pressure pulse are different with the signals measured in other parts of the reactor.

对不同结构的环流反应器的局部流体动力学和传质动力学特性进行了研究，利用压力传感器测量了空气-水、空气-NaCl水溶液、空气-Na〓SO〓水溶液、空气-葡萄糖水溶液和空气-乙醇水溶液五种体系，在不同气速下，不同位置的压力脉动信号，通过随机信号的数学分析，得到压力脉动信号的频谱特性，并依据压力脉动信号的频谱特性的分析给出环流反应器气体分布区的范围。

The results show that, with the liquid viscosity increases, the small bubbles retain spherical shape well, while the large bubbles change gradually from the irregular ellipsoid to the form of spherical cap, the periodical oscillation and the bubble terminal velocity decreases.

结果表明，随着液相黏度的增加，小气泡均能呈良好球形，而大气泡则由类似椭球形的不规则形状逐渐向球帽形转变；气泡的周期性振荡趋于平缓，气泡上升终速度降低。

This research uses high sensitive piezoelectric sensor for developing a sensitive sphygmograph to detect anthropic pulse and to determine parameters to diagnose physiology of human. From spectrum of pulse, the analysis processes are to determine the high pass frequency used in the analysis, uses the IIR Buttorworth filter to remove the noise, to calculate the Hermite curve for filtering the oscillation parts caused by breathe, then to calculate the parameters in strength, time and angle domains from the processed signal to study their correlation with the physiology of the studied experimenters and compared the results with the machine from the market.

中文摘要本研究采用高灵敏度压电感测元件，发展敏锐的脉搏感测仪器，量测人体手腕脉搏波形，计算其中所包含之参数来探讨与研究人体生理状况相关性的适用性；藉由分析脉搏频谱成份并使用Buttorworth滤波器过滤高频杂讯，再使用Hermite方程式去除手腕低频振动杂讯，由过滤后的脉搏讯号萃取振幅强度、波形上升与下降时间、上升与下降角度等参数，经由统计分析探讨与人体生理之情况相关性，并将所获得指标结果与市售仪器所量测之数据变化进行比较。

Comparing the calculated results and the experimental results, good coherencewas found, which means after importing relative materials factors and initial condition themodel had reflected main truth and was valid for precise prediction of the SHS.5, SHS is a process far from equilibrium, which is always accompanied by rich self-orderbehavior, such as oscillation, spin, stationary wave and so on.

该模型将反映燃烧过程的主要参数用相应的样品和产物的性质进行表示，为更好地对工艺进行控制提供了简捷的途径。5、SHS过程中大量的燃烧现象是远离平衡态的动力学过程，常常表现出丰富的时空自组织行为：脉冲波、螺旋波、混沌燃烧等。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。