Methods for measuring the resonat frequency and the angle amplification ratio of torsional transformers are introduced in which a small-signal sine electromagnetic excitation or an impulsive mechanical knock excitation is used to excite the horn and accleromoters are used to measure the response signals.
介绍以小信号正弦电磁激振和脉冲敲击激振,加速度计进行信号检测的扭振超声变幅杆谐振频率和角位移放大系数的测定方法。
By shifting the mean stress and the sine wave stress amplitude,uniaxial cyclic experiments were performed to study the dynamic response of fluid-saturated sandstones and marbles.
在单轴循环加载实验中不断改变平均应力和正弦波应力振幅的实验条件下,研究饱和砂岩和大理岩的动态响应。
rated broad band random force
额定宽带随机激振动力
ANALYSIS AND TESTS OF THE PEAK VALUE OF STRESS IN BROADBAND RANDOM VIBRATION
宽带随机振动峰值应力分析与试验研究
A study of peak distribution of narrow-band and wide-band random vibration;
窄带和宽带随机振动的峰值分布研究
Fatigue Enhancement Mechanism of the Broadband Random Vibration Environment
宽频带随机振动环境的疲劳强度强化机理
Stochastic Dynamics and Control of Strongly Non-linear Systems under Combined Harmonic and White (Wide-Band) Noise Excitations;
谐和与白(宽带)噪声激励下强非线性系统随机动力学与控制
Simulation platform of incentive-based random vibration based on LabVIEW
基于LabVIEW的基础激励随机振动仿真系统
Vibration of Finishing Stands in Hot Strip Mill and Suppression Measure
热轧宽带钢精轧机组机架振动分析及抑制措施
Stochastic Response, Asymptotic Stability with Probability 1 and First-passage Time of Quasi Linear System with Multi-time-delayed Feedback Control and Wide-band Random Excitation;
拟线性系统在宽带随机激励和多时滞反馈控制下的响应、稳定性及首次穿越时间
Research of Broad Band Dynamic Absorbers Based on Finite Element Analysis;
基于有限元分析的宽带动力吸振器技术研究
A practical model of equivalent stress range calculation under broad band random loading
宽带随机谱下一种实用的等效应力计算模型
Random torsional vibration of automobile power train under excitation of road surface
路面激励下汽车传动系统的随机扭转振动分析
stochastic excitation NMR
随机激发核磁共振(法)
THE STOCHASTIC ANALYSIS OF GROUND FORCE INDUCED BY VIADUCT SYSTEMS
高架桥对地面作用力的随机振动分析
Study on Dynamic Characteristics of Slide-zone Soil and Stability of Loess Landslides under Train Vibration Load;
机车振动作用下黄土滑坡滑带土的动力特性及其稳定性研究
Analysis for Forces Exciting Structural Vibration of Multi-cylinder Engine Block
多缸内燃机机体结构振动响应的激振力分析
Rolling Mill Self-Vibration Diagnosis and Structure Dynamic Modification;
轧机自激振动诊断与结构动力学修改
Research on the Precise Controlling for Multiaxis\Multiexiter Vibration Test;
多轴向多激励随机振动高精度控制研究
Vibration Control Methods of Engineering Structures under Random Excitations;
受随机激励工程结构振动控制方法研究