The results show that the main factor to cause the vertical resonance phenomenon of the bridges is the train抯 axle weight moving loads; other factors (such as the span, stiffness and damping of the bridge, the length of the vehicles, the mass of the vehicle抯 wheel-set, the spring stiffness and damping of the .
分析结果表明:列车静轴重荷载是引起简支梁桥竖向共振现象的主要原因,而其它因素(如桥梁本身的跨度、刚度及阻尼,车辆的长度、轮对的质量、悬挂弹簧的刚度和阻尼等)对桥梁竖向共振的发生和发展也有着重要的影响。
The vertical resonance phenomenon which may take place for many kinds of different simply supported girder bridges on high-speed railway is studied with a vehicle-bridge interaction system model.
本文采用车－桥系统计算模型，对高速铁路多种不同类型简支梁桥可能发生的竖向共振现象进行了研究，给出了各种不同类型简支梁桥发生竖向共振现象时所对应列车速度，分析了不同的跨度对桥梁竖向共振峰值的影响，并就高速铁路简支梁桥如何避免和抑制桥梁竖向共振现象的发生和发展进行了初步的分析。
In the forced vibration, the resonance phenomenon as vibratory acceleration reached maximum is defined as acceleration resonance.
在受迫振动中 ,振动加速度达到最大值时的共振现象 ,称为“加速度共振”,其共振条件为 Ω=ω2 /ω2 - 2β2 ,振幅比通常的位移共振的振幅小 ,初位相比通常的位移共振的初位相大 ,其共振特征明显 ,物理意义明确。
Resonance frequency and the time-evolution of resonance phenomena are provided by the application of the Finite-Difference Time-domain (FDTD) method.
完整二维光子晶体中引入点缺陷后,在光子晶体禁带中会有共振模出现;将时域有限差分方法(FDTD)用于光子晶体共振特性研究中,给出共振频率的位置,直观地给出共振现象发生的过程。
Principles of Optical Pumping in Light-Magnetism Resonance and Its Influences for Resonance Phenomenon;
光磁共振中光抽运的原理及对共振现象的影响
The resonance is a kind of extremely universal phenomenon in the nature.
共振现象是自然界中一种极为普遍的现象。
Automatic Control and Measurement of Forced Vibration and Resonator with Computer;
受迫振动与共振现象的计算机自动控制与测量
resonance of protons to radiation in a magnetic field.
质子在磁场中辐射的一种共振现象。
Acoustic wave resonance in CuBr laser discharge tube
CuBr激光放电管声波共振现象的研究
Stochastic resonance in two-dimensional Brownian motion in the weak noise limit
弱噪声极限下二维布朗运动的随机共振现象
Research on Wave Dynamics and Resonance Phenomena in Microstructures;
微结构中波的动力学及共振现象的研究
Resonances in E~+-He Collision at Low Energy
低能情况下正电子与氦碰撞的共振现象
The resonant effect of traveling wave for the arch bridge under vertical seismic excitation
拱桥在竖向地震波输入下的行波共振现象
Stochastic Resonance in the Saturation Laser Model Modulated by Signal
由信号调制的饱和激光模型随机共振现象
Coherence Resonance in Circadian Rhythms of Fruit Flies
野生果蝇生物钟模型中的相干共振现象
Partial Resonance in Granular Composite of Core-shell Structured Ellipsoids
带壳椭球颗粒复合介质的部分共振现象
Stochastic Resonance in Bistable Systems, Monostable Systems, Coupled Systems and Chaotic Systems.;
双稳态系统，单稳态系统，耦合振子系和混沌系统的随机共振现象
This phenomena is called NMR(nuclear magnetic resonance).
这种现象称为核磁共振。
This phenomenon is therefore known as 'oil whip'or 'resonant whirl'.
因此，这种现象称为“油膜振荡”或“共振涡动。”
We call this phenomenon quantum beat in resonance fluorescence.
这种现象称为共振荧光中的量子拍.
Resonance is often observed in nature.
在自然界中，常常可以观察到共振（现象）。
Thermal Entanglement in a Two-level Atom-cavity Nonresonant System;
两能级原子与腔场非共振耦合中的热纠缠现象