分析了物理参数对系统固有频率和模态的影响。
The effects of design parameter changes were investigated on system natural frequence and vibration modes.
本文提出多自由度振动系统固有频率的一种近似解法。
A new approximate solution is given in this paper to estimate the fundamental frequency of vibration system with multiple freedom degree.
本文提出一种确定桩土系统固有频率的参数估计方法。
This paper presents a parameter assessment method to determine the eigenfrequency of the pile-soil system.
在灵敏度分析的基础上，以系统固有频率灵敏度最低为目标对张紧机构进行优化。
On the base of sensibility analysis, an optimization for tensioner is performed with the lowest sensibility of system natural frequency as the objective.
而后求出了系统固有频率的近似解析公式，同时也得到了极限流速的近似解析公式。
Then approximate analytic formula of system frequency are obtained. Meanwhile, approximate analytic formulation of limit velocity is obtained.
理论推导了两机互联系统的共振机理，分析了两机互联系统固有频率与阻尼的关系。
Low frequency oscillation resonance mechanism of two-machine system was established in this paper.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
研究了系统固有频率受二值噪声扰动时，调制二值噪声驱动二阶过阻尼线性系统的随机共振现象。
The phenomena of stochastic resonance of an over-damped second-order linear system with modulated dichotomous noise are investigated.
从这些分析结果中可看出，影响系统固有频率和振动的因素不是单一的、线性的，是多种因素共同作用的结果。
From these analysis result, we can make a conclusion that the factors affects system natural frequency and the vibration is not unique and linear, but multiple and co-effective.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
全液压调速系统的油压容易产生脉动，如果油压脉动的频率与电力系统固有频率接近时也可能引发电力系统共振机理的低频振荡。
If the frequency of oil-pressure pulsation is near to power system natural oscillations frequency, power system low frequency oscillations of resonance mechanism can be induced.
其接触系统的固有频率与响应振幅特性直接影响电磁继电器的接触可靠性。
Natural frequency and response vibration amplitude character of contact system will directly influence the reliability of EMR's mechanical contact.
并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。
The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.
伺服机构固有频率是影响伺服系统伺服精度、响应能力的重要参数，在设计阶段就需要对伺服机构的固有频率进行计算。
Inherency frequency of servomechanism is to have an influence on the key parameters of servo accuracy and response capability, and demands the calculation of inherency frequency in the design stage.
用本文提出的方法，不仅可以求得系统的固有频率、振型、动态响应，还可以模拟轴上各点的涡动轨迹。
Using this method not only the natural frequencies, mode shapes, dynamic responses but also the whirl orbits of the rotor system can be obtained.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统，以适应大型发电机端部固定改造维修后的检测要求。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
在小角位移的情形下，可近似得到相应的无阻尼线性系统的固有频率，它与观测结果吻合。
In the case of small angular displacement, the natural frequency of the corresponding damping-free linear system is obtained, which is consistent with the experimental observation.
应用矩阵迭代摄动法，对摆动活齿传动系统的固有频率进行了求解和分析。
The natural frequencies of the vibration system are obtained by using the iterative perturbation method.
本文叙述了确定齿轮传动系统特征对(固有频率和振型)的计算机方法。
This paper describes a computer method for determining characteristic Pair (natural frequencies and modes) with geared system.
文中使用的计算程序通用性强。可用于任何矿用空压机设备吸气管道系统结构固有频率计算。
The computer program has common property, and can be used to calculate all of the structural inherent frequencies of the mining reciprocating air compressor equipment's suction pipe system.
本文通过实例说明冲击隔离的计算与橡胶冲击隔离器的设计方法，在满足冲击隔离的条件下，为了避开共振，以免设备产生过大的位移振幅，对隔离系统的固有频率进行了计算。
To meet the needs of shock isolation the natural frequencies of the system are evaluated so as to avoid resonance and get rid of excessively large displacement amplitude of the system.
本文介绍了一种采用光学象散原理测试原子力显微镜的力传感器固有频率测试系统的原理、组成和测试方法。
In this paper, the principle, constitution, and operation of the testing system for the resonant frequency of the force sensor are presented.
介绍正负刚度并联相消原理，通过分析可知应用该原理可以有效降低系统的固有频率，减小隔振传递率。
The principle of stiffness offset with the positive and negative stiffness parallel were introduced and through analysis the natural frequency and the vibration transmissibility can be reduced.
对火炮在强化路上牵引进行了虚拟试验，为了确定安全的牵引试验速度，必须首先计算火炮悬挂系统的固有频率。
Virtual test of towed gun travel on enhanced road surface was carried out. Natural frequency of towed gun suspension system must be calculated firstly so as to ensure safety towed test speed.
应用表明用有效模态质量进行模态识别，可以有助于找到尾轴架系统的固有频率和振型。
The practice application expresses that effective modal mass could be helpful to find natural frequency and vibration shape.
讨论了在弹簧振子质量不可忽略的条件下，弹簧振子系统振动固有频率的精确解。
This paper derives the precise solution about the inherent frequency of the mass-spring system when the mass of the harmonic-spring is not negligible.
系统以其固有频率振动又叫共振。
A system oscillating at its natural frequency is said to resonate.
系统以其固有频率振动又叫共振。
A system oscillating at its natural frequency is said to resonate.
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