The plunger is forced to undergo a simple harmonic vibration parallel to the direction of the tube.
活塞在平行于长管的方向被迫作合谐摆动。
According to the cycle formula of simple harmonic vibration, the cycle formula of simple pendulum could be figured out.
根据简谐运动的周期公式，得到单摆的周期公式。
Desorption of sediment polluted by heavy metals is studied by using harmonic vibration device for simulating turbulence.
采用谐振式紊动模拟装置使污染泥沙受到扰动，解吸重金属污染物进行模拟试验研究。
In DS-1 electrical eddy method of the harmonic vibration the sensitivity and linear resolution is higher. But the cost is cheaper.
而DS—1调谐电涡流法，具有灵敏度高、线性分辨率好，且成本低廉之特点。
Under the simple harmonic vibration, the stable forced vibration of multiple-degree-of-freedom system is analysed by using ANSYS software.
运用ANSYS软件分析多自由度系统在简谐激励作用下的稳态受迫振动。
During the teaching of Medical Physics, it is difficult to describe harmonic vibration with rotation vector clearly just with some static pictures.
《医学物理学》课程中，简谐振动旋转矢量法的学习，仅靠静态图片不利于阐明其原理。
Finally, the influence induced by variation of dynamic coefficient of permeability on soil displacement and stress under harmonic vibration load is investigated.
根据算例，研究了在周期荷载作用下，地基中的超静孔隙水压力、位移的幅值随动力渗透系数变化的一般规律。
On the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.
在对旋转抽油杆柱的扭转振动分析的基础上，给出了各阶扭转振动固有特性参数的计算式。
The vibration equation for thin flat plane loudspeaker with single point drive and four corners fixed is deduced and its simple harmonic vibration frequency in this condition is analyzed.
推导了固定四角薄型平板扬声器在单点激励下的振动方程，分析了在受激情况下的简正频率，并由简正频率方程导出其受力方程。
The CAI demonstrational software of law of composition of mutual-perpendicular harmonic vibration is introduced in this paper, which is one of CAI software developed by our computer centre.
本文介绍我院计算中心开发的CAI软件之一——相互垂直简谐振动合成规律CAI演示软件。
The method to measure body's inertial mass is proposed by measuring period of vibration with the integrated hall switch sensor, when spring oscillator is in situation of simple harmonic vibration.
提出了在弹簧振子作简谐振动时，利用集成开关型霍尔传感器测量振动周期，以进一步测量物体惯性质量的方法。
This article discusses how the point charge move in the electrified field produced by the electrified ball, and come to the conclusion that the motion of the point charge is simple harmonic vibration.
讨论点电荷在带电球体所产生的电场中的运动情况，得出了点电荷的运动为简谐振动的结论。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
复杂振动中频率最低的成分(基频或一次谐波)。
Aimed at producing heat, vibration, disturbance and harmonic wave, the handling opinions are pointed.
针对使用中出现的发热、振动、干扰与谐波等问题提出处理意见。
A new method of fault diagnosis of in-situ sampled vibration signals is introduced for the non-stationery signals of rotating machines by using the harmonic wavelet filtering.
针对旋转机械非平稳信号的特点，提出采用谐波小波滤波对现场采集的振动信号进行故障诊断的新方法。
In order to make the optimal design of the ride performance, firstly, the modal analysis, the harmonic response analysis and the random vibration analysis are performed.
为了对载重车进行平顺性优化设计，本文首先对载重车进行了模态分析、谐响应分析、随机振动分析。
An improved Hilbert vibration decomposition (HVD) method was introduced to the non-integer harmonic analysis in electrical power system.
针对现有电力系统非整数次谐波分析法的不足，提出了一种改进的希尔伯特振动分解(HVD)方法。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
The nonlinear vibration equation of the elastic straight bar under thermal expansion and harmonic excitation is obtained by Galerkin principle.
由伽辽金方法得到了弹性直杆热胀冷缩状态下受均布简谐激励的非线性振动方程。
The program's vibration is now out of resonance or harmonic. But there are those who are here to correct that.
现在程序化的振动与共振或谐振发生了不协调。但是在这里的那些人来纠正这些不协调。
The laterally nonlinear vibration of axially moving plates was analyzed by the incremental harmonic balance (IHB) method.
应用增量谐波平衡法(IHB法)研究轴向运动薄板横向非线性振动特性及其稳定性。
The dynamic analysis include natural vibration analyse, harmonic response analyse and transient response analyse.
动态特性分析包括固有振动特性分析，谐响应特性分析和瞬态响应特性分析。
We do modal and Harmonic analysis to it and compared it with cast aluminum valve rocker cover. Analysis result indicated that BMC valve rocker cover can reduce vibration and noises more.
将BM C材料用于气门罩壳，采用有限元方法对其进行模态分析和谐响应分析，并与铸铝罩壳进行了比较，计算结果表明，BMC材料用于气门罩壳具有减振、降噪的作用。
This paper introduces the computation method on the harmonic frequency of the torsional vibration in the mechanism of an antenna system.
介绍了天线系统驱动机构扭转振动谐振频率的计算方法。
Meanwhile, dynamic harmonic response has been made, the vibration response characteristics of cutting part are analyzed from the perspective of frequency response.
同时进行了动力学谐响应分析，从频率响应的角度分析了截割部的振动响应特征。
Accurate calculation of the stator natural frequencies and harmonic response of an electrical machine is essential to the prediction of acoustic noise and vibration.
预测电机的振动和噪声需准确计算电机定子结构的固有频率及定子的响应特性。
The features of vibration stability and restoring forces of FPS under harmonic excitations are analyzed.
计算分析了FPS系统在简谐激励作用下的稳定性及恢复力特性。
Brief reviews about elastic stability, free vibration, transient dynamic response and harmonic dynamic response of circular cylindrical shells are given first.
本文首先对圆柱壳的稳定性、自由振动、瞬态和稳态动力响应研究进行了简要回顾和评述。
Brief reviews about elastic stability, free vibration, transient dynamic response and harmonic dynamic response of circular cylindrical shells are given first.
本文首先对圆柱壳的稳定性、自由振动、瞬态和稳态动力响应研究进行了简要回顾和评述。
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