The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率,利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
An impact vibration test method (IVTM) for measuring natural frequencies of existing piers is proposed in this paper.
提出了一种测量既有桥墩自振频率的新方法,即冲击振动试验法(IVTM)。
The Hopf bifurcations of a two degree freedom vibro impact system in non .
应用该方法分析了一类两自由度冲击振动系统周期运动 Ｈｏｐｆ 分叉的存在性，并用数值方法得到了该冲击系统的拟周期响应及其向混沌的演化过
Research of control and DAQ in experiment of impact vibration;
冲击振动实验的控制和数据采集研究
The burglar alarm with intelligent impact vibration that is controlled by single chip microcom-puter was introduced- Comparing the alarm with other, this burglar alarm was of distinguishing features , such as high intelligent, enhanced guarding function and alarming exactly.
本文介绍一种由单片微型计算机控制的智能化冲击振动防盗报警器。
Using the impact vibration testing architectural engineering structure intensity with a measuring vibration method of laser self-mixing interference,through simulating impact vibration signal,the vibration frequency and the oscillation amplitude relations are presented.
利用冲击振动检测建筑工程结构的强度,用激光自混频干涉测振的方法,通过对模拟冲击振动信号的理论分析和计算,给出振动频率与振幅的关系,为判断可能引起建筑物损坏的振动提供依据。
Periodic Motions and Bifurcations of Multi-degree-of-freedom Vibro-impact Systems;
多自由度冲击振动系统的周期运动和分岔
lash type inertia vibrating shakeout
冲击式惯性振动落砂机
Study on the Impact in the Course of the Starting and the Influence of Vibrating Parameters
振动平板夯起振冲击机理及振动参数影响分析
A Study on the Dynamic Model for Impact-type Hydraulic Vibrating System
冲击型液压振动系统的动态模型建立
Mechanical vibration and shock-Terminology
GB/T2298-1991机械振动与冲击术语
Terminology for human exposure to mechanical vibration and shock
GB/T15619-1995人体机械振动与冲击术语
protection of electronic equipment from shock and vibration
电子设备振动与冲击防护
A minor oscillation of the surface is experienced and a ground shock is produced.
地面受到轻度振动，并产生地下冲击波。
Vibration and shock--methods for analysis and presentation of data
GB/T10084-1988振动、冲击数据分析和表示方法
Study of the Control of Semi-active Variable Damping System in Impact Load;
主动变阻尼冲击减振系统的控制研究
Research and Appliment of Impact Energy in Rotary Type Hydraulic Pulse Vibrating Machine
回转式液压脉冲型振动装置振动冲击的分析研究与应用
Methods for calibration of vibration and shock pick-ups--Primary shock calibration by light cutting
GB/T13823.13-1995振动与冲击传感器的校准方法光切割法冲击校准(一次校准)
Methods for the calibration of vibration and shock pick-ups--Secondary shock calibration
GB/T13823.10-1995振动与冲击传感器的校准方法冲击二次校准
Methods for the calibration of vibration and shock pick-ups--Testing of transverse shock sensitivity
GB/T13823.9-1994振动与冲击传感器的校准方法横向冲击灵敏度测试
Vibration and shock--Mechanical driving point impedance of the human body
GB/T16440-1996振动与冲击人体的机械驱动点阻抗
Study on Coupled Vibration Response and Anti-impact Property of Gear Transmissions System;
齿轮传动系统耦合振动响应及抗冲击性能研究
Dynamic Response of Complex Structures under Impact and Vibration Loading;
复杂结构在冲击和振动加载下动态响应分析
Research on Impact Wave Dynamics of Vehicle Elastic Component Vibration and Its Application;
车辆弹性元件振动冲击波动机理及其应用研究