The conclusion is that the damping ratio will increase, and the nature frequency will decrease along with the number of knots mounting up.
结论是:随着节子个数的增加,木材振动模态的阻尼比增大,而其固有频率减小。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
It is proved that this dither controller can track the drift of dither mechanism's nature frequency, and keep the dither system work safely.
实验表明:该控制器能够跟踪抖动系统的自然频率漂移,保证抖动系统的安全工作。
The nature frequency of dither mechanism will drift when temperature is changing. And this may lead to dither mechanism failure in the extreme.
在抖动偏频激光陀螺的工作过程中,抖动机构的自然频率会随温度漂移,极端情况下可能导致机构破坏。
The effect of primary structure dimensions on nature frequency of micro-machined gyroscope is studied by finite element analysis software-ANSYS.
然后,对微机械陀螺的动力学特性进行研究,并且采用有限元对其进行模拟,分析其主要几何尺寸对其模态的影响。
Aiming at the fracture problem of the square plansifter with 8 cells, the calculation for nature frequency and dynamic response of this structure is completed.
针对8仓高方平筛的断裂问题进行了固有频率和动力响应计算,在对计算结果分析的基础上,提出了两种结构改进方案,并对改进结构又进行了计算验证。
By defining a normalized natural frequency, one may find the location and extent of cable damage with respect to the changes on the normalized nature frequency.
定义了归一化固有频率,并且分别分析了拉索损伤位置和损伤程度对归一化固有频率的影响。
The first nature frequency of the structure improved 35.7% and the second and upper nature frequencies of the structure improved over 63% after the optimum design.
最后对结构进行了优化设计,优化后结构一阶固有频率提高35.7%,二阶以上固有频率提高63%以上。
The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
采用试验模态分析和理论模态分析相结合的方法,研究了齿轮系统的固有特性和动力响应。
In this paper, the nature frequency and the mode of stay vane in the air or in the water were studied. Obtained the vary regular of the nature frequency with water influence.
通过试验研究了固定导叶结构在空气中及水中的固有频率及振型,得到了其固有频率在水中的变化规律。
According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
根据该方法,相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
Significantly, the former two-class nature frequency expressions for the micro-mirror cell structure are put forward for the first tine, which are compared with the results from FEM analysis.
首次提出了该结构前两阶频率的表达式,并与相应的有限元模态分析结果进行了比较。
In the structure dynamic performance, nature frequency is a very important parameter, the in-depth analysis on nature frequency is the research base of external prestressing concrete structure.
结构动力特性中,自振频率是反映结构自身特点的重要参数,深入分析体外预应力结构的自由振动频率是研究体外其动力特性的基础。
The paper studies the random question of rocket self-defect, puts forward a new method of reducing the effect of rocket dispersion by designing equitably the first nature frequency of launcher.
本文研究了火箭弹自身缺陷的随机性。提出了通过合理设计发射装置一阶固有频率,克服火箭弹自身缺陷对落点散布的影响。
The model is used to understand a series of formulae, for example, mean single tooth stiffness, gear pair mesh synthesizing stiffness, effective mass, nature frequency and critical rotating speed.
根据这一振动模型,推导了齿轮副的平均单齿刚度、单对轮齿啮合综合刚度、有效质量、固有频率与临界转速等一系列计算公式。
The precise frequency and nature of these disturbing effects varies from one species to another and may vary with the cloning procedure that is used.
精确的频率和这些自然的令人不安的影响来自于一个品种变成另一个品种,以及那些用过的克隆程序带来的各种变化。
To determine the frequency and nature of childhood injuries and to explore the risk factors for such injuries in low-income countries by using emergency department (ED) surveillance data.
利用急诊室的监测数据确定低收入国家儿童受伤的频率和性质,并探讨造成此类伤害的风险因素。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化,故它能使我们更好地理解信号的本质。
Your base frequency is rising as more and more of this reality subtly alters, transforming the very nature of the density of your body.
你们的基本频率在提升,作为越来越多的这个实相的微妙改变,转变这个密度的你们身体完全的本质。
One is passive frequency reduction, one side is to enhance heat dissipation, effect nature is far.
一面是被动降频,一面是增强散热,效果自然有着云泥之别。
The then following frequency, the golden frequency, is the frequency of the nature spirits.
紧接着是金色频率,是自然精神的频率。
Abstract:Time domain and frequency domain as the basic nature of the signal from the different ways to analyze the signal.
摘要:时域和频域作为信号的基本性质,从不同方式来分析信号。
Balcony - as the nearest window between the home and the outside, becomes the highest frequency source point of happiness which a child could feel nature in daily life.
阳台——作为家与外界最近的窗口,则成为孩子日常感受自然、获得快乐最高频的源点。
The results indicate that the type, frequency and effectiveness of communication strategies employed by the learners vary according to their proficiency level and the nature of tasks as well.
实验表明交际策略的类型,应用频率和有效性受语言熟练程度和任务性质的影响。
The actual computation example shows that the optimal sampling frequency locations are found to be independent of the system response, and solely depend on the nature of the excitation.
实际算例表明,最优采样频率点位置并不依赖于系统的输出,仅仅取决于激励的性质。
Suspicious foreign exchange transaction refers to foreign exchange transaction with abnormal amount, frequency, source, direction, use or any other such nature.
可疑外汇资金交易,系指外汇交易的金额、频率、来源、流向和用途等有异常特征的交易行为。
By analysis on braking with power and that of low frequency in the terms of principal and working nature, a detailed demonstration related is shown.
从原理和工作特性方面对动力制动控制和低频制动控制进行分析,对其应用进行了详细论述。
By analysis on braking with power and that of low frequency in the terms of principal and working nature, a detailed demonstration related is shown.
从原理和工作特性方面对动力制动控制和低频制动控制进行分析,对其应用进行了详细论述。
应用推荐