modal parameter

based on the finite-element analysis, a special pump-house modal analysis system on the basis of vb and apdl is developed, which brings convenience for the technical engineer to calculate the pump-house modal parameter quickly in the future.

在有限元模态分析的基础上，开发了基于VB和APDL的泵房专用模态分析系统，为今后工程技术人员快速计算泵房模态参数提供了便利。

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The Expression Without Modal Parameter for Free Response of Uncoupled Damped System and its Application

可去耦阻尼系统时域响应的不含模态参数表达式及其应用

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Structural modal parameter identification under ambient vibration is becoming the main research area.

基于环境振动的结构模态参数识别方法正逐渐成为国内外研究的一大热点.

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Test Modal Parameter Identification and Sensitivity Analysis for Inertial Platform Structure

惯性平台台体结构实验模态参数识别及灵敏度分析

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Modal parameter identification for the director of a rocket launcher

某火箭炮定向器模态参数识别

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The hybrid genetic algorithm improved by Lamarckian learning mechanism is applied to the experimental modal parameter identification of the continuous miner reducer, and the good results are achieved, which verify the method is accurate and effective.

将经拉马克学习机制改进后的混合遗传算法应用于连采机装运减速齿轮箱的实验模态参数识别中，取得了良好的效果，实践证明，该方法是准确、有效的。

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operational modal parameter identification is under the state of real operation of structures. it has higher accuracy and becomes more coincident with the actual conditions of structures.

运行模态参数识别是在结构实际运行状态下进行的模态识别，它具有更高的识别精度，更符合结构的实际状况。

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Experimental modal parameter identification of drilling derrick under ocean wave excitation

基于海洋波浪脉动的海洋钻机井架结构试验模态识别

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research of riding stability of passenger cars based on operational modal parameter identification

基于运行模态参数辨识的客车运行平稳性研究

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Based on measured data from the Ningbo station temporary railway bridge monitoring system, the application of the GA to modal parameter identification in engineering application is studied.

基于工程实例&宁波站临时铁路便桥监测的实测数据，研究了基于遗传算法的模态参数识别在工程中的应用。

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based on this prototype dynamic test, the operational modal parameter of the guide wall is identified under flood discharge excitation during flood season.

在此基础上，以泄流荷载为激励源，利用动力响应对导墙结构的工作模态参数进行了动态识别；

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the operational modal parameter of hydraulic structure with the output response only under flood discharge excitation is still a new topic.

在泄流激励下，仅利用结构的流激振动响应识别结构的工作模态参数是一项新的课题。

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Random decrement technique is a kind of method of modal parameter identification under random excitation.

随机减量法是一种随机激扰下的模态参数识别方法。

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Application of ARMA Time Series Model in Identification of Modal Parameter

ARMA时序模型在模态参数识别中的应用

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because the operational modal parameter identification is influenced by many factors and its theories are complex, so this thesis lays some certain foundations of the health detection of bridges which is based on the operational modal parameters identification methods of a bottom-through concrete-filled steel tube truss arch bridge.

由于运行模态参数识别的影响因素较多，理论较复杂，所以本文基于一座下承式钢管混凝土桁架拱桥研究运行模态参数识别方法，为桥梁健康监测系统建立打下一定的基础。

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Modal Parameter Identification Applied to Improving Accuracy in FEM Dynamic Computation

应用参数识别技术提高有限元动力计算的精度

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Experimental Modal Parameter Identification for Jib Structure of Crane

起重机臂架结构试验模态参数识别

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the modal parameter identification methods include the traditional modal parameter identification and operational modal parameter identification.

模态参数识别一般包括传统的模态参数识别和运行模态参数识别。

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Identification of Bogie Frame Modal Parameter by Random Decrement Technique

随机减量法识别转向架构架的频率

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this method can solve the problems of modal parameter identification under free traffic condition to some extent.

它在一定程度上解决了自由交通荷载下的桥梁模态参数识别问题。

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test modal parameter identification for direction ring structure of the platform compass

平台罗经方位环结构实验模态参数识别

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dynamic test and modal parameter identification of fuziling multi-arch dam

佛子岭连拱坝动力试验及模态参数识别

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Selecting the branch of part measured point from modal parameter, this paper deduces the damaged index which can detect the possible damaged location of the cable-stayed bridge deck and identifies the damaged region and degree for Yonghe Bridge.

并从模态参数中选取部分点的分量，导出可以指示斜拉桥桥面（主梁）大概损伤位置的Index损伤指标，识别出斜拉桥发生破损的区段及破损程度；

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Research on Prototype Vibration Tests and Modal Parameter Identification of the Spillway Dam under the Condition of Flood Discharge Excitation

泄流条件下的溢流坝结构原型动力测试与模态参数识别

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the modal parameter identification is the groundwork and key of the structural health monitoring techniques.

模态参数识别是结构健康监测技术的基础性和关键性的环节。

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modal parameter identification of a frame structure under wind and impact excitation

风载和冲击载荷激励下的框架结构的模态参数辨识

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In structure online health monitor, the inconvenience of the certain vibration response quantity and the existence of the measurement noise enable the extraction of the modal parameter to have not the complete characteristic, and difficulty for the damage recognition.

结构在线健康监测中，某些振动响应量实测的不方便和测量噪声的存在，使得提取的模态参数具有不完备性的特点，给损伤识别造成了困难。

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treatment of global modal parameter identification using rational fraction orthogonal polynomial during piecewise fitting

对模态参数识别的整体正交多项式分段拟合的处理方法

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Operating modal parameter identification by random decrement technique and ibrahim time domain

用随机减量技术及ITD法识别工作模态参数

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