The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
本文采用改进的L -P法研究梁的强非线性振动,分析了超谐波共振和次谐波共振两种情况。
According to the characteristic and demand of the bridge vibration measurement, the linear CCD detect technology is chosen t to realize the non-contact and mobile automatic measurement.
根据桥梁挠度检测的工作特点及要求,采用线阵CCD实现对桥梁振动挠度的远距离、非接触性、动态自动化检测。
It is introduced in the feature extraction of the vibration signal induced from reciprocating machinery valve, and t.
提出了一种自适应提取往复机械振动信号冲击特征的信号处理方法。
The self-excited vibration system consists of a(C. E. T. ) unit, one-way air-inlet valve and one-way fu…
燃烧室-喷管,进气单向阀和进油单向阀组成一个自振系统;
Experiment results indicate that there isn t much difference between experiment results and that of ship general vibration under ballast outbound condition calculated by transfer matrix method.
试验结果表明利用迁移矩阵法计算得到的压载出港条件下全船的振动结果与试验结果差距不大。
The coal mine main hoisting system couldn t safe work with the vibration of the derrick (especially in starting or stopping) .
煤矿主提升系统由于井塔的振动,无法满足安全生产的要求(尤其是在启动、停车阶段)。
Methods the vibration isolation design was achieved by putting a set of t type rubber absorbers between the model and its mounted surface.
方法在模型与其连接面之间增加一组上下对接的T型橡胶减振器实现减振设计。
Combined with the construction practice and theory study, the paper introduced t beam quality technology, attentions, methods, principle and experience of vibration.
通过施工实践,结合理论学习,就保证T梁质量的关键工艺振捣进行了介绍,并就振捣注意事项、方法、原则和经验进行了阐述。
An experiment on a t shaped vibration structure is carried out. It shows that the method can achieve high simulation precision and meet the requirement of fatigue test and this method is practical.
最后在T型梁振动台架上进行试验,可以达到很高模拟精度,满足疲劳模拟试验要求,证明这种方法是实用的。
There is a sharp peak in the power spectral density of da- ta. It is a narrow band random vibration which depends on t…
文中还讨论了车轮振动加速度功率谱密度峰值的性质,由于履带节的作用使车轮产生与车速有关的窄带随机振动。
And a t forms rubber isolator is used to as the passive component of the integrated vibration isolator.
其中,组合隔振器主动元件采用了压电堆作动器,被动隔振部分采用了一种衬套式的橡胶隔振器。
The vibration test standards for train air-conditioning units are mainly TB/T 1804-2003 and IEC 61373-1999.
列车空调的测试标准主要有TB/T 1804-2003和IEC 61373-1999,但这两种标准在试验目的、试验方法等方面都有着很大的不同。
The vibration test standards for train air-conditioning units are mainly TB/T 1804-2003 and IEC 61373-1999.
列车空调的测试标准主要有TB/T 1804-2003和IEC 61373-1999,但这两种标准在试验目的、试验方法等方面都有着很大的不同。
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