A common example of mechanical resonance is provided by pushing a swing. 荡秋千,是熟知的机械共振的例子。
Suppression of mechanical resonance based on higher-order sliding mode and acceleration feedback 基于高阶滑模和加速度反馈的机械谐振抑制方法
Mechanical resonance frequency of the moving element MR perfu-sion-weighted imaging is an important part of the func-tional MR imaging. 运动部件机械共振频率磁共振脑血流灌注加权成像是功能磁共振成像的一个重要组成部分。
Application of MATLAB in Mechanical Resonance of Stabilized Platform MATLAB在稳定平台机械谐振中的应用
We consider that mechanical resonance is the one cause of enhanced oil-recovery. 利用人工振动技术增加石油产量的机理之一是地层的机械共振作用。
Mechanical resonance frequency has an obvious influence on theodolite performance. On the basis of traditional double-T net filter, an improved digital filter is proposed in the paper. 分析了机械谐振频率对经纬仪系统性能的影响,在传统双T网络的基础上,提出了一种改进的数字滤波器。
This paper describes the influence applied by mechanical resonance frequency of photoelectric theodolite dynamical behaviours. We supply a double T network digital filter approach to eliminate the influence of mechanical resonance frequency. 分析了经纬仪机械谐振频率对系统动态特性的影响,阐述了用双T数字滤波器消除机械谐振频率影响的方法。
A New Design Method for Overcoming Mechanical Resonance of Largescale Radar Control System and Its Simulation 克服大型雷达伺服系统机械谐振的一种新设计方法及仿真
The vibration status of gyro mechanical structure, especially the resonance feature was analyzed with the method of finite element analysis ( FEA) and verified by tests. 对陀螺振动性能受结构谐振的影响进行了有限元分析和试验验证;
An improved digital filter for restraining mechanical resonance frequency 抑制机械谐振的一种改进的数字滤波器
Compensation of Servodrive Mechanical Resonance in Large Telescope 大望远镜伺服系统机械谐振的补偿
The large inertia Stewart platform is usually driven by a hydraulic servo system, which inevitably brings about the hydraulic and mechanical resonance problem caused by the condensability of oil, the elasticity of transmission joints and load inertia etc. 载人的大惯量Stewart平台,多采用液压伺服系统驱动,其必然存在液压-机械综合谐振问题。这是由于油液的可压缩性、传动铰链的弹性及负载惯性等引起的。
This thesis mainly discusses and studies the resonant characteristics of the mechanical resonance, modeling of the electromechanical resonant system and its close-loop stability in depth. 本文主要对机械振子的谐振特性和机&电谐振系统建模及其闭环稳定性等问题作了较为深入的讨论与研究。
Mechanical resonance is the core component of the resonant sensor system. 机械振子是谐振传感系统的核心部件。
The filter can control the amplitude of mechanical resonance by adjusting proper parameter. 该滤波器可以通过适当的参数修改达到控制机械谐振点陷波幅值的效果。
This paper has studied the resistance ratio and q parameters, and put forward the method to decrease the mechanical resonance influence. mech和惯量匹配系数q对机械谐振的影响,并提出了减小机械谐振影响的补偿方法。
The Effect of the Mechanical Resonance and Compensation Method in CNC Heavy Cutting 数控强力切削中机械谐振的影响及补偿方法
The main cantilever, which is rigid, provides high mechanical rigidity and high resonance frequency. 比较硬的主悬臂梁提供了一定的机械强度,并且提供了高谐振频率。
The frequency of ultrasonic generator can trace the transducer mechanical resonance frequency with the help of motional bridge feed-back circuits. 超声发声器采用动态阻抗桥反馈电路,使发生器的频率能自动跟踪机械谐振频率;
The resonance problem of feed drive was analyzed that is met in revamping large scale milling planer, the effect of speed loop and mechanical resonance frequency on the performance of feed drive was indicated and corresponding measure was put forward. 分析了大型龙门铣床数控化改造中所遇到的进给系统谐振问题,指出了速度环谐振频率和机械谐振频率对进给系统谐振特性的影响作用,并提出了相应的解决措施。
A problem about the mechanical energy in resonance 关于谐振动能量的一个问题
If the frequency of the ac field is equal to the mechanical resonance frequency of the sensor, the vibration amplitude is maximum, and the sensor vibrates at its characteristic resonance frequency that shifts in response to mass loading. 当交变磁场频率与磁性膜片机械振动频率相等时,膜片产生共振,此时具有最大振幅,此时振动频率为磁性膜片共振频率。
It is important that the frequency of ultrasonic generator tracks the transducer mechanical resonance in the power ultrasonic equipment. 功率超声设备中,频率自动跟踪技术是一个重要课题。
Experimental Determination of Gravitational Constant G by Mechanical Resonance Method 用机械共振法测引力常数G
A New Structure for Overcoming Mechanical Resonance in Electric Drive 克服电气传动机械谐振的一种新的控制结构
Magnetomechanical resonance is a resonant phenomenon related to the size of magnetic medium and it is a mechanical resonance caused by magnetostriction vibration during magnetization. 磁力共振是一种与磁性介质尺寸有关的共振现象,它是在磁化过程中伴之较大的磁致伸缩振动引起的力学共振。
And we also study the possibility of producing mechanical resonance of the cantilever through modulating the external static field when the uniaxial magnetic film is under FMR. 进一步讨论了具有磁单轴各向异性的磁性薄膜在经历铁磁共振时通过调节外加恒定磁场产生机械共振的可能。
The results have shown that the minimum natural frequency of Mg alloy framework is 168 HZ, and it is lower than the dynamic excitation frequency of the normal service motorcycle. This will not cause the mechanical resonance of the Mg alloy framework in motorcycle service conditions. 分析结果表明:车架的最低阶固有频率为168赫兹,低于摩托车正常服役动态激励频率,表明摩托车正常服役不会引起镁合金车架共振,能保证摩托车驾驶的舒适性。
In Mechanical-Electronic control system, varied-load feature mainly expresses the abrupt change for load and moment of inertia, as well as the mechanical resonance oscillation and so on. 在机电控制系统中,变载荷特性主要体现在外在负载的突变、运动体转动惯量的变化及机械谐振等多个方面。
When disturbance frequency is close to resonance frequency, mechanical power resonance will be triggered. 当扰动频率接近共振频率时,会引发机械功率共振。