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振动节点
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  “振动节点”译为未确定词的双语例句
     Mechanical Characteristic Analysis of the Node in Shafting Torsional Vibration of I.C Engine
     内燃机轴系扭转振动节点的力学特征分析
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     Development of Beam Vibrating Nodal Measurement for Piezoelectric Gyro Sense Elements
     压电陀螺敏感元件振梁振动节点测试方法研究
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     There existed theoretical errors in Watt meter method for measuring output acoustic power of Langevin type transducer. The experimental results about clamped transducer system were given. It pointed out that the method is effective to intensity ultrasonic processing in liquid media.
     本文给出郎之万Langevin型换能器及变幅杆振动节点、腹点处振幅比随负载的变化情况,分析了瓦特计法测量声功率本身存在的理论偏差,并给出了两性能相同的换能器对接系统的实验结果,表明这种方法在轻负载(不大于水负载)测量中的准确性,提出工程上简化的测量方法
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  相似匹配句对
     Stabilization of Tree-Shaped Networks of Strings under Nodal Feedbacks
     树状结构的弹性振动弦的节点反馈镇定
短句来源
     Vibratory Stress Relief
     振动时效
短句来源
     VIBRATIONS OF A PIPE LINE
     输水管的振动
短句来源
     Statistic Node Method for the Random Vibration Analysis of Nonlinear Structures
     非线性结构随机振动分析的统计节点
短句来源
     ③ node orientation.
     3节点方向性。
短句来源
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  vibration node
Accordingly, whenever a standing wave occurs in a string there must be a vibration node at all fixed ends and an antinode at all free ends.
      


This paper establishes an analytic solution for the transfer function between any two points on a uniform beam or rod,and gives the law of distribution of the anti-resonant frequencies,as well as the relation between the frequency distribution and the nodes of vibration. Results of computations and experim-ents show the existense of a "pseudo-resonance" Phenomenon.

本文建立了均匀梁及杆的任意两点间传递函数的解析解;找到了反共振频率的分布规律及它与振动节点的关系;电算和试验都表明存在“伪共振”现象。

In this paper, based on the results reported in the literature, the extreme frequencytheorem for a light loaded tuning fork is found. According this theorem, the maximum fre-quency of any order of a light loaded tuning fork is independent of the magnitude of theloaded mass and equals the allowed frequency of that order for a uniform nonloaded tuningfork, and its loaded position coincid the node of the latter. The minimum frequency of anyorder of a light loaded tuning fork depends on the magnitude of the leaded...

In this paper, based on the results reported in the literature, the extreme frequencytheorem for a light loaded tuning fork is found. According this theorem, the maximum fre-quency of any order of a light loaded tuning fork is independent of the magnitude of theloaded mass and equals the allowed frequency of that order for a uniform nonloaded tuningfork, and its loaded position coincid the node of the latter. The minimum frequency of anyorder of a light loaded tuning fork depends on the magnitude of the leaded mass and islocated at the anttnode of the order of a uniform nonloaded one.

本文根据加载音叉的频率方程,发现了极值频率定理。理论证明:轻载音叉的各次峰值频率是无载匀质音叉的该次容许频率,与所加载荷的大小无关,峰频点位于匀质音叉振动的节点;谷值频率则与所加载荷的大小有关,谷频点位于匀质音叉振动的腹点。

This paper is concerned with the vibration frequencies of the beam carrying a concentrated mass. It is assumed that one end of the beam is hinged by a rotational spring with constant stiffness and the other end is free. By solving the frequency equation , the extreme frequency theorem is found .It is proved that if the concentrated mass is small and located at the node or antinode of some mode normal vibration of the nonloaded beam , the frequency has a maximum or minium value as the position of the concentrated...

This paper is concerned with the vibration frequencies of the beam carrying a concentrated mass. It is assumed that one end of the beam is hinged by a rotational spring with constant stiffness and the other end is free. By solving the frequency equation , the extreme frequency theorem is found .It is proved that if the concentrated mass is small and located at the node or antinode of some mode normal vibration of the nonloaded beam , the frequency has a maximum or minium value as the position of the concentrated mass varies. The maximum frequency is equal to that of the corresponding normal vibration , independent of the concentrated mass, while the minimum freguency is dependent on it. Last, the existence of the extreme frequency theorem in differant boundary conditions of the beam is also studied. So the theorem has a general signficance.

本文所讨论的是载有集中质量的梁的振动频率.假设粱的一端由恒定刚度的弹簧铰定,另一端是自由的.通过频率方程求解,发现了极值频率定理.理论证明:如果集中质量很小(对梁的质量而言),当集中质量的位置改变,位于无载梁的某次简正振动的节点(腹点),振动频率具有极大(极小)值.极大频率就是梁在该次的简正振动的频率,与集中质量的大小无关;极小频率却与质量有关.最后在改变边界条件的情况下,梁振动的极值频率定理也被研究是成立的.所以本定理具有普遍意义.

 
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