ambient vibration
英 [ˈæmbiənt vaɪˈbreɪʃn]
美 [ˈæmbiənt vaɪˈbreɪʃn]
网络 环境随机振动; 环境振动
双语例句
- These injuries were avoidable
这些伤是可以避免的。 - It is an essential precondition for inducing ambient vibration data of an aircraft with the state inductive method.
它是运用状态归纳法进行环境振动数据归纳所必不可少的先知条件。 - Fabrication and Testing of Micro Piezoelectric Power Generator for Collecting Ambient Vibration Energy Conceptual design of the venting device for dewar of CR dipole superconducting magnet of FAIR
收集环境振动能微压电发电装置的制作与测试FAIR收集环二极超导磁体外杜瓦泄放系统的概念设计 - Ambient Vibration Induced by Spatial Coupling Vibration of Vehicle-Track-Bridge System The high power electric starting motor make the engine start easily and rapidly in any severe conditions.
车辆-轨道-桥梁空间耦合振动引起的环境振动大功率的启动装置，使其在恶劣环境条件下的启动更窑易、迅速。 - Study on Ambient Vibration Induced by Spatial Coupling Vibration of Vehicle-Track-Bridge System and Isolating Measures
车轨桥空间耦合振动引起的环境振动与隔振措施 - Measurement of ambient vibration of a twin-tower building with enlarged base and model modification
大底盘双塔楼高层建筑的随机振动测试及模型修正研究 - Application of Ambient Vibration Test and Finite Element Analysis in Health Monitoring of Bridge Structure
脉动试验和有限元分析在桥梁结构健康监测中的应用 - Finite element model updating of arched Vierendeel truss of RC aqueduct based on ambient vibration test
基于环境振动测试的钢筋混凝土渡槽空腹桁架拱有限元模型修正 - Keywords: ambient vibration measurement, seismic capacity, RC buildings, regression.
关键词：微振量测、耐震能力、钢筋混凝土建筑物、？归分析。 - Ambient vibration test is the main method of detecting a large bridge structure, Modal parameters is important to determine the health status of the bridge.
环境振动试验是检测大型桥梁结构的主要方法，检测得到的模态参数是判定桥梁健康状况的重要依据。 - The vertical vibrations of building structures under ambient vibration or earthquake could not be ignored, and vertical vibration isolation devices are needed to reduce the dynamic amplitude.
结构在环境振动或地震作用下的竖向振动不容忽略，有必要采取竖向隔振装置进行减振控制。 - Ambient vibration measurement was taken in the Shenzhen Financial Centre Mansion and the dynamic properties of the structures were obtained. By means of the filtering method, the high mode shapes and damping ratio of structures were determined.
利用环境振动测定了深圳金融中心大厦原型结构的自振特性，用选频滤波法确定了结构高阶振动的频率和振型，计算了阻尼比。 - An ambient vibration field-testing under traffic-induced excitation on a prestressed concrete continuous girder bridge was carried out.
介绍了深圳市松岗高架桥&九跨预应力混凝土连续梁桥的现场环境振动试验的概况。 - Two modal identification methods undergoing ambient excitation are investigated for the object of large structures based on modern experimental modal analysis theory and ambient vibration technology.
本文以大型工程结构为研究对象，以近代实验模态分析理论及环境振动识别技术为基础，着重研究了两类基于环境振动的模态参数识别方法。 - The Research of Experimental Modal Analysis Methods Based on Ambient Vibration
基于环境振动的实验模态分析方法研究 - The field test is carried out by conducting ambient vibration test under wave-induced force and wind force ect.
此次现场实验是在波浪力、风等环境载荷激励下测试结构动力响应的。 - This paper presents the selection of relevant parameters and method of estimating random errors of the results when the records of structure response to ambient vibration are handled with a special computer and a data processor.
本文介绍了在专用计算机和数据处理仪上对建筑物脉动信号进行处理时有关参数的选取及对处理结果随机误差估计的方法。 - Bridge ambient vibration test has an advantage of being simple, fast and cheap.
桥梁环境振动试验具有简单方便和花费少等优点。 - Ambient vibration method is presented to carry out the bridge tower modal property test and, its important modal parameters are also identified.
本文采用环境激励振动测试的方法对润扬桥塔的振动特性进行了测试，识别了其重要的模态参数。 - Real modal parameter identification has been used and 13 modes are identified. The obtained modes are compared with the results from steady exciting, ambient vibration and FEM calculation.
在识别中采用了实模态识别法，识别出前13个模态参数，并与稳态激振、环境振动及有限元计算进行了比较，结果是比较符合的。 - Through the ambient vibration testing, this paper make a comparative analysis of the theoretical conclusion and experimental data.
在此基础上，采用环境随机振动法进行动载试验，并对理论分析计算值和动测试验值进行比较分析。 - This paper puts forward a compiling method of the state-time spectrum of aircraft ambient vibration.
本文提出了飞机环境振动状态-时间谱的一个编制方法。 - The ambient vibration field-testings were firstly carried out. Secondly, the peak picking ( PP) method in frequency domain and the stochastic subspace identification ( SSI) method in time domain were used for the output-only modal parameter identification.
首先介绍了全桥现场环境振动试验的概况：然后利用频域中的峰值法（PP）和时域中的随机子空间识别法（SSI）分别进行桥梁模态参数识别； - Firstly, this paper investigated roundly the basic theory of the ambient vibration method, analyzed systematically the main methods of ambient vibration identification, and discussed their advantages and disadvantages.
全面地研究环境振动识别方法的基本理论，系统地分析环境振动识别方法的主要方法，讨论它们的优点和不足； - The development prospect of large civil engineering structural health monitoring and the further research work of modal parameters identification under ambient vibration are discussed.
小结了本文的主要工作和结论，并对大型土木工程结构健康监测的发展前景和基于环境振动模态参数识别问题有待进一步研究的工作进行了讨论。 - By comparing the four useful modal parameters identification methods for spatial lattice structure under ambient vibration, the all-round assessment on structure safe state and service behavior was conducted, then the constructive suggestion of reinforce and maintainance was given, and finally were the relative conclusions.
对比了四种适合于空间网格结构的环境激励下结构模态参数识别方法，对该结构的安全状态和工作性能进行了全方位评估，提出了加固改造维修方案，给出了相关结论。 - Because environment vibration bandwidth is width and its randomness is big, the harvester and conversion efficiency of piezoelectric vibration energy harvester will be reduced greatly when the ambient vibration frequency shifts slightly off resonance frequency of piezoelectric vibration energy harvester.
由于环境振动的频带较宽，且随机性较大。当环境振动频率稍微偏离压电振动能量采集器的谐振频率时，压电振动能量采集器的采集和转换效率将大大降低。 - Structural modal parameter identification can be divided into two categories: traditional and ambient vibration identification techniques.
实验模态分析的模态参数识别可以分为两类，即传统的结构模态参数识别方法和环境激励下的结构模态参数识别方法。 - Based on the modern testing modal analysis theory and ambient vibration technology, using modern time-frequency analysis technology, this paper emphasizes on identification of low frequency close coupling modal by employing continuous wavelet transform-based and Hilbert-Huang transform-based modal parameter identification method.
论文以环境激励模态分析为研究对象，以现代时频分析理论为基础，针对大型结构低频密集耦合模态参数识别，着重研究基于连续小波变换和Hilbert-Huang变换的环境激励模态参数识别方法。 - The vertical and lateral vibration frequencies were performed using the ambient vibration method. Based on the responses corresponding to static loads and vibration frequencies, the numerical model of the bridge was updated using the response surface method.
采用环境振动法测量了该桥的竖向和横向自振频率，并在实测静力挠度和自振频率的基础之上，引入响应面法更新了炉坪大桥有限元模型。