Should I use all collected measurements when estimating modal parameters?
估计模态参数时，要用上全部的测量数据吗？
The modal parameters of the equipments for oil extraction are identified.
本文通过脉动试验识别了采油生产设备的模态参数。
It's one that comes up often in terms of estimating modal parameters from test data.
这是个很好的问题，是一个从试验数据中估计模态参数常常会遇见的问题。
The process of determining modal parameters from experimental data involves several phases.
从试验数据确定模态参数的过程分成几个阶段。
Tire is a crucial part of car. Tire modal parameters describe its inherent characteristics.
轮胎是汽车的关键部件，轮胎的模态参数反映其本质特性。
The latter identified the modal parameters of the bridge by admittance circle fitting method.
由导纳圆拟合法识别出了桥梁的模态参数。
An engine casing modal experiment and modal parameters extraction have been introduced in the paper.
用模态实验的方法对某型飞机发动机机匣的模态参数进行了识别。
The modal parameters of each model are measured, and the zoom technique is used at some particular points.
通过试验测定了各模型的模态参数，有些点还采用了频率细化技术。
This paper studied the linear structure system modal parameters identification based on Genetic Algorithms.
本文系统地研究了基于遗传算法的线性结构系统模态参数识别方法。
Using the new algorithm, the higher precision of the global identification of modal parameters is obtained.
采用该法可显著提高模态参数的整体识别精度。
Based on this, bring forward the BP neural network structural damage detection method based on modal parameters.
在此基础上提出了基于模态参数的BP神经网络结构损伤识别方法。
The paper studies digital processing methods which identify structural modal parameters from structural random response.
本文研究在未知激振力情况下，由结构随机响应识别结构模态参数的数字处理方法。
An improved crack inspection method based on modal parameters was presented for identifying a crack in a jacket platform.
将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。
The initial modal parameters are then identified with the experimental approach, theoretical approach and hybrid approach.
用实验方法、解析方法和混合方法进行了模态参数的初步识别。
This paper proposes the method of using vehicle modal parameters to assess and improve the ride quality of railway vehicle.
研究了运用车体模态参数来评估与分析运行平稳性的方法。
The testing of structural modal parameters is an important basis of dynamic response analysis and structural damage detection.
结构模态参数的测试是进一步进行结构动力响应计算、结构损伤检测等的重要基础。
The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.
本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。
Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.
针对该问题，提出一种基于频响函数左矩阵分式模型的模态参数识别方法。
On this basis, the mobility circle fitting method for identifying the complex modal parameters from frequency response data is discussed.
在此基础上，介绍了由频响数据识别复模态参数的导纳圆拟合法。
The measured function will not be of the best quality and the extracted modal parameters will suffer from these signal processing effects.
测得的函数不是最好的，提取出来的模态参数将会受到这些信号处理的不良影响。
An expression of the vertical ride comfort index of rail vehicles was derived by modal coordinate transform and described by modal parameters.
用模态坐标变换法推导了用模态参数描述的车辆垂向平稳性指标计算表达式。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
As a application example of this kind of method, a way of identifying modal parameters when additional external force is impulse is investigated.
作为方法的应用实例，讨论了补充激振力为脉冲情况下的模态参数识别方法。
The identification results have indicated that the proposed method is an effective tool for modal parameters identification of time-variant linear system.
实验结果和理论计算结果比较表明：该方法为参数时变线性系统的模态参数辨识提供一条新途径。
Based on the generalized mode theory of linear vibrating defective systems, an identification method of generalized modal parameters is presented in this paper.
基于线性振动亏损系统的广义模态理论，本文提出了一种识别亏损系统广义模态参数的频域方法。
This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data.
文章提出了一种利用模态参数和由振动试验数据求得的频响函数来进行模型修正的方法。
ARMAX model method and subspace-based state space method were used to process the flight flutter test data, and identify the flutter modal parameters of aircraft.
论文使用了现代参数辨识技术的ARMAX模型递推法和状态子空间辨识法，对飞行颤振试验数据进行处理，辨识飞机的颤振模态参数。
Then, the transformation equations relating physical parameters with admittance parameters and those relating complex modal parameters with real ones were determined.
讨论了阻抗参数与导纳参数，复模态参数与实模态参数的转比关系；
In this paper the modal parameters and dynamic characters of Fuziling multiarch dam are discussed by means of prototype test and calculation by finite element method.
通过原体动力试验及有限元计算讨论了佛子岭连拱坝支墩的模态参数及动力特性。
In this paper the modal parameters and dynamic characters of Fuziling multiarch dam are discussed by means of prototype test and calculation by finite element method.
通过原体动力试验及有限元计算讨论了佛子岭连拱坝支墩的模态参数及动力特性。
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