Failure to communicate had brought the two nations to the brink of war. 沟通不畅使这两个国家濒于战争的边缘。
The frequency and amplitude of vibration are monitored. 振动的频率与振幅受到监控。
The frequency and amplitude of vibration system of laminated plate and shell is affected by various factors. 复合材料层合板壳振动系统的频率、振幅受各种因素影响。
The probability of synchronization of pedestrians is also dependent on the frequency and amplitude of vibration in lateral direction. 试验还统计得到了不同频率振幅下的步行同步调概率。
In the non-linear dynamic system, analyzing the influence of the system parameters on the stability and the amplitude of vibration under instable condition of the system is an important work. 在非线性动力学系统中,分析系统参数的变化对系统稳定性影响和在系统不稳定的情况下系统参数对振动幅值的影响是十分重要的两个方面。
The influence of magnetic intensity on the period and the amplitude of vibration is discussed. 通过算例,分析了磁场环境对振动周期和幅值的影响。
The variation rules of damper parameters for vibratory wheels under different frequency and different amplitude of vibration are analyzed to provide basis for the research of vibratory wheel-soil system. 分析振动轮在不同频率、不同振幅情况下,减振器性能参数的变化规律,为开展振动轮&土壤系统研究提供依据。
The Effect on the Amplitude of Vibration Span of Resonance-Approached of Simple Harmonic Vibration of Undamped Single-Degree-of-Freedom System 振动时间对无阻尼单自由度简谐振动共振时振幅的影响
By using the optical resonant characteristic of Fabry-Perot etalon and intensity-comparison lock-in technique of laser, we have completed a measurement with the minimum amplitude of vibration at the order of 10~ (-12) cm under the condition of an ordinary laboratory. 该方法利用F-P标准具的光学共振特性,借助于激光强度比较式F-P空腔锁定技术,在一般实验室条件下,实现了最小被测振幅可达10~(-12)cm数量级的微振动测量。
The dynamic characteristics of ferromagnetic beam-plate, such as, amplitude of vibration, frequency of vibration, dynamic instability that varies with the applied magnetic field increasing are simulated by a numerical code. 数值模拟了铁磁梁式板在稳恒磁场,脉冲磁场下的振幅,频率的变化及其动力失稳特征。
Furthermore, the first-order modal frequency, the amplitude of vibration response and the damping influence on cable vibration are also investigated respectively for more useful informations about cable's nonlinear vibration. 此外,用数值方法还对拉索的一阶模态频率、振动响应幅值及系统阻尼影响等特性进行了研究。
In the course of simulating of ultrasonic wire-drawing, after reasonable simplification, the sine wave of ultrasonic vibration is transformed into the triangle wave, which has the same frequency, phase and amplitude of vibration as the sine wave. 在对超声拉丝进行仿真过程中,通过合理简化,将超声频率振动的简谐波变为同频率、同相位、同振幅的三角波。
Under the small amplitude condition, the system becomes weak nonlinear system, it can be solved by harmonic balance method, the result show that the frequency is in respect to the amplitude of vibration and the value of prepressing. 在小振幅条件下,系统是弱非线性,可以利用谐波平衡法对系统进行定量分析,得出了系统频率与振幅、预紧量的关系。
How to evaluate the characteristics of the longitudinal vibration of shaftings namely, what value of amplitude of vibration can be allowed is an important problem which must be dealt with in the study of longitudinal vibration. 如何评价轴系的纵振特性,即纵振产生的振幅或附加应力值为多少才是安全的,这是纵振研究工作中的重要问题。
The experiment showed that the damage of electronic product in vibration environment has relation with type and amplitude of vibration and structure of the product. 试验表明:电子产品在振动环境中的损伤不仅与振动类型及幅值有关,也与其自身结构有着密切的关系。
Theoretical analysis of complex amplitude of vibration for multi-photon optical Instability 多光子光学双稳性的复振幅解析分析
The results of simulation calculation indicate that the amplitude of vibration is reduced. 模拟计算结果表明减振效果明显。
The expansion of measuring range from nanometer to micrometer order for testing small amplitude of vibration by using Fizeau gradient-index rod interfer-ometer is reported. The measurement principle is described and experimental results are given. 本文报导斐索型自聚焦棒干涉仪测量微小振动的振幅范围从纳米量级扩展到微米量级的研究工作,介绍测量原理,并给出实验结果。
The result shows that both instantaneous response time and amplitude of vibration in the sliding bearing flexible rotor system decrease with oil inertia force at a certain speed. 研究表明:考虑惯性力后,此转子系统在定转速条件下,突加不平衡质量的响应时间和振幅都减小了。
When designing a framed foundation, as long as the load-bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design. 并指出框架式基础设计时,在满足承载力和稳定性的前提下,柱子应以柔为佳;设计中可以通过调整质点的质量来达到控制基础振幅的目的。
The Higher frequency and the lower amplitude of vibration of the filament are a good ocasion for forming entanglement. 当丝束振动的频率较高、振动幅值较小时,有利于交络结的形成。
According to the structure and construction features of the vibratory roller, carrying out experiment and put into practice on its characteristic, frequency amplitude of vibration, and the times and the rolling speed, then have a overall comprehensive summary. 针对振动压路机本身的结构特点和施工特点,按其特性、频率、振幅以及碾压遍数、碾压速度等,通过实验或实践进行了全面的分析总结。
The law of the variation of the dynamic compliance coefficients for the nearly saturated soils and the amplitude of vibration of footing is presented. 分别以砂土和黏土为例,给出了地基表面动力柔度系数和无量纲基础振幅随无量纲频率的变化规律。
Influence of patients with hypokalemia on their amplitude of vibration of QRS wave in electrocardiogram 低血钾对QRS波振幅的影响
With the test amplitude of vibration, the actual impact factor of pulley drive is determined. 并用测试振幅来确定皮带的实际冲击系数;
Three samples weres separately welded in various frequency and amplitude of vibration. 选取三组试样分别在不同振动频率和振幅的条件下,进行振动焊接。
We studied trouble mechanism caused by vibration and bump, illustrated the relation between the frequency and maximum amplitude of vibration and gravitational acceleration, introduced the methods of judge, repair and prevention of common troubles. 我们对振动和冲撞引发的采集站故障机理进行了研究,论述了振动频率和最大振幅与重力加速度的关系,介绍了常见故障的判断、维修与预防方法。
The results by simulation show that the displacement amplitude of vibration of the cutting-tool has been de-minished, which is propitious to prolong the life of the cutting-tool, and to enhance the cutting stability. 结果表明,平衡后切槽刀刀尖位移振幅减小了许多,提高了刀具寿命和切削的稳定性,改善了主轴系统的稳定性。
Due to the small mass, low damping and large flexibility, stay cables are susceptible to large amplitude of vibration with different mechanism caused by rain-wind induced vibration and seismic load, which will cause serious damage to the structural quality. 斜拉索质量轻、阻尼低、柔性大,极易在风雨激振、地震荷载等外界干扰的作用下产生不同机理的振动,造成斜拉索的振幅过大,严重损耗建筑结构的质量。
In metal deformation processing, if the workpiece is superimposed a certain direction, frequency and amplitude of vibration and deformed under the vibration, there will be some special phenomenon. 在金属塑性变形过程中,如果对被加工材料(或加工工具)施加一定方向、一定频率和振幅的振动,将会出现一些特殊的现象和结果。