环境激励

结合重庆大学主教学楼工程实例，对GPS技术在环境激励下的动态特性进行监测，并对监测数据进行了分析，对监测方案进行了验证。

Based on GPS technology , this paper studies the dynamic characteristic under ambient excitation of major blocks of Chongqing University and analyze excitation data and verifies the excitation scheme .

根据半功率谱密度与频响函数之间的相似数学表达式，因此将EMA方法用于环境激励下的模态参数识别。

According to the same expression between positive power spectral density and FRF , EMA algorithms can be applicable for ambient excitation .

环境激励下基于GPS的结构健康监测

Structural Health Monitoring Based on GPS Technology under Ambient Excitation

基于GPS的高层建筑环境激励动态特性研究及应用

Study of High-rise Building 's Dynamic Character under Ambient Excitation by GPS Technology and Its Application

根据环境激励技术（NExT）的相关理论，线性结构中白噪声响应之间的相关函数与系统的脉冲响应函数具有类似的数学表达形式。

According to the technique called the Natural Excitation Technique , the correlation functions of responses induced by white noise on linear structures have similar mathematical format as the impulse response functions .

研究结果表明，应用GPS技术对高层建筑环境激励动态特性进行监测，能够准确、快速得到建筑物的振动周期，对高层建筑结构设计提供参考，并可为施工纠偏提供准确依据。

The result of research indicates that the building vibration frequency can be obtained accurately and quickly to monitor dynamic characteristic of buildings under ambient excitation with GPS . It provides reference for structural design of high-rise building and basis of correcting error of construction accurately .

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。

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 .

建立了阻尼器的理论模型并进行了0.5～20Hz的正弦激励试验。通过环境激励模态识别技术对一座中高层新结构大楼环境激励试验建模研究。

The harmonic excitation experiment invokes the frequency from 0 . 5 Hz to 20 Hz . Experimental modeling of a middle-rise office building via ambient modal identification is presented .

环境激励振动模态分析在桥梁结构检测与健康监测中的应用

Ambient Modal Analysis With Application In Bridge Inspection & Health Monitoring

基于环境激励的石油井架结构损伤识别研究

Damage Identification Study of Oil Derrick Structure Based on Ambient Excitation

模拟环境激励下结构模态参数识别试验研究

Experimental study of modal parameter identification in a simulated ambient-excited structure

环境激励下特高压输电塔线体系气动阻尼的识别

Aerodynamic Damping Identification of UHV Transmission Line System under Ambient Excitation

利用互相关函数进行环境激励下的模态分析

Modal parameters extraction with cross correlation function under ambient excitation

环境激励下工程结构模态参数识别

Applied Investigation of the Modal Identification for Engineering Structures Undergoing Ambient Excitation

环境激励下剪切型结构层间刚度识别的新方法

New Method for Inter-story Stiffness Identification of Shearing Structures Under Ambient Excitation

环境激励下一种基于免疫机制的结构损伤诊断方法

An immune mechanism based diagnosis method of structural damage under ambient excitation

基于环境激励下钢桁梁桥的模态识别

Modal Identification of Steel Truss Bridge Based on Ambient Excitation

一种白噪声环境激励下模态参数辨识方法

A Method of Modal Parameter Identification under White Noise Excitation

基于环境激励的土木工程结构模态试验方法

Civil engineering structural model test method based on ambient excitation

一种非稳态环境激励下线性结构的模态参数辨识方法

Modal Parameters Identification of Linear Structures Undergoing Non-Stationary Ambient Excitation

基于现代时频分析的环境激励模态参数识别方法研究

Ambient Exciting Modal Parameter Identification Based on Modern Time-frequency Analysis

基于环境激励下预应力混凝土桥梁模态参数识别与损伤诊断

Modal Identification and Damage Diagnosis of Pre-stressed Concrete Bridge under Ambient Excitation

基于环境激励的建筑结构试验建模应用研究

Experimental Modeling of Civil Engineering Structures based on Ambient Response

基于海况环境激励的某船载装置动力学分析

Dynamic Analysis of Ship-borne Device Based on Sea State Excitation

环境激励下结构及内部设备平台微振动混合控制研究

Hybrid Micro-Vibration Control of Structure and Inside Device Platform under Environment Excitation

环境激励下海洋平台结构模态参数识别与损伤诊断研究

Structural Modal Parameter Identification and Damage Diagnosis of Offshore Platforms under Ambient Excitation

环境激励下海洋平台多维地震反应分析及控制

Multi-Dimensional Seismic Response Analysis and Vibration Control of Offshore Platform under Ambient Excitation

环境激励下船舶结构模态分析实验与理论研究

Experimental and Theoretical Study on Modal Analysis of Ship Structures under Ambient Excitation

海洋平台结构环境激励的实验模态分析

Experimental modal analysis of offshore platform under operational conditions

环境激励下的石油钻机模态分析

Modal analysis of drilling rig under ambient excitation