• 由导纳合法识别出桥梁参数

    The latter identified the modal parameters of the bridge by admittance circle fitting method.

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  • 估计模态参数时,用上全部测量数据吗?

    Should I use all collected measurements when estimating modal parameters?

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  • 振动系统特性主要取决于模态参数

    The dynamic characteristics of vibration system depend mainly on its modality parameters.

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  • 试验数据确定模态参数过程分成几个阶段

    The process of determining modal parameters from experimental data involves several phases.

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  • 本文通过脉动试验识别采油生产设备参数

    The modal parameters of the equipments for oil extraction are identified.

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  • 轮胎汽车关键部件,轮胎的模态参数反映本质特性

    Tire is a crucial part of car. Tire modal parameters describe its inherent characteristics.

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  • 准确估计参数飞机颤振边界预测具有重要意义

    The accuracy of modal parameter estimation plays a crucial role in flutter boundary prediction.

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  • 本文提出利用模态参数识别技术进行转子动平衡方法

    The present paper offers a method of balancing dynamically the flexible rotors with the technique of modal parameter identification.

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  • 基于模态参数的损伤检测方法应用于海洋平台,并进行改进

    An improved crack inspection method based on modal parameters was presented for identifying a crack in a jacket platform.

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  • 实验方法解析方法混合方法进行了模态参数初步识别

    The initial modal parameters are then identified with the experimental approach, theoretical approach and hybrid approach.

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  • 基础上介绍数据识别模态参数导纳拟合法

    On this basis, the mobility circle fitting method for identifying the complex modal parameters from frequency response data is discussed.

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  • 实验的方法对某型飞机发动机机匣模态参数进行了识别。

    An engine casing modal experiment and modal parameters extraction have been introduced in the paper.

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  • 基础提出了基于模态参数BP神经网络结构损伤识别方法

    Based on this, bring forward the BP neural network structural damage detection method based on modal parameters.

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  • 为了实现结构基于振动特性健康监测进行在线参数识别

    Structure modal parameter online identification was used to monitor the structural health as evidenced by changes in the vibration characteristics.

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  • 通过试验测定了模态参数有些采用频率细化技术

    The modal parameters of each model are measured, and the zoom technique is used at some particular points.

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  • 讨论阻抗参数与导纳参数态参数模态参数的转关系

    Then, the transformation equations relating physical parameters with admittance parameters and those relating complex modal parameters with real ones were determined.

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  • 本文讨论利用振动系统随机响应自由响应信号识别系统参数问题。

    The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.

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  • 是个很好的问题,是试验数据估计模态参数常常会遇见问题。

    It's one that comes up often in terms of estimating modal parameters from test data.

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  • 目前发表文章看,仅仅利用损伤结构模态参数进行损伤识别极少。

    From article published at present, it is few only using damaged mode parameter of structure to identify the damage.

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  • 针对问题提出一种基于函数矩阵分式模态参数识别方法

    Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.

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  • 最后利用基于加速度响应ITD识别结构的参数频率振型等。

    At last, ITD method based on free acceleration response is used to identify mode parameters, frequencies and modal.

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  • 坐标变换法推导模态参数描述车辆垂向平稳性指标计算表达式

    An expression of the vertical ride comfort index of rail vehicles was derived by modal coordinate transform and described by modal parameters.

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  • 结构系统识别方法根据识别对象可以分为模态参数识别结构物理参数识别。

    Based on the identification objective, the structural identification methods can be divided into modal parameter identification and structural physical parameter identification.

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  • 函数不是最好的,提取出来模态参数将会受到这些信号处理不良影响

    The measured function will not be of the best quality and the extracted modal parameters will suffer from these signal processing effects.

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  • 利用时域最小二乘法和圆法对实验数据进行了三维参数分析

    Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.

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  • 结果表明多维arx用于大型土木工程结构模态参数在线识别可行的。

    The result shows that the multiple ARX model is suitable for modal identification of the large civil engineering structures on line.

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  • 结构参数测试进一步进行结构动力响应计算、结构损伤检测等重要基础

    The testing of structural modal parameters is an important basis of dynamic response analysis and structural damage detection.

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  • 轴承-转子系统态参数时域识别对于回转机械监测故障诊断具有重要意义。

    The time domain identification of model parameters of rotor bearing systems is helpful for condition monitoring and fault diagnosis of rotating machines.

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  • 通过模态参数分析找出水箱疲劳损坏原因提出了进一步改进意见

    By analysing individual parameter, the cause of fatigue damage of water tank was found out, the advice of improvement was put forward.

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  • 文章提出了一种利用模态参数振动试验数据求得的函数来进行修正方法

    This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data.

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