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。
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。
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。
This study presents a modal parameters identification approach which can identify the cable tension and bending stiffness simultaneously only from the cable frequencies.
提出了由拉索实测振动频率同时识别出拉索索力和抗弯刚度的模态参数识别法。
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。
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。
The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。
A rigid body parameters identification method based on muhi-reference least-squares frequency domain scheme (one of the operational modal analysis techniques) is presented.
介绍一种基于多参考点最小二乘频域法(一种工作模态法)的刚体参数识别方法。
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。
Furthermore, the identification precision of the neural network to different order of the modal parameters is also studied.
讨论了网络对不同阶数模态参数的识别精度。
It is indicated by a numerical simulation of the cantilever flexible-shear structural damage identification that only low-order modal parameters are needed to identify effectively a structural damage.
通过一个悬臂弯剪型结构损伤识别的数值模拟表明，只需低阶模态参数就可有效地识别结构损伤。
A practical procedure of Double-Least-Square approach in ITD method of modal parameters is programed and the simulataneous identification test is conducted.
本文编制了模态参数时域识别的双最小二乘法程序，并进行了模拟试验。
In this paper, using the information of the forced vibration response of the deterministic modal system, identification are made for the parameters of the stiffness and damping structure.
本文利用确定性模型系统的的强迫振动响应信息对系统的刚度和阻尼结构参数进行了认别。
It is indicated by a numerical simulation of the cantilever flexible shear structural damage identification that only low order modal parameters are needed to identify effectively a structural d...
通过一个悬臂弯剪型结构损伤识别的数值模拟表明，只需低阶模态参数就可有效地识别结构损伤。
The identification results of the 3-dof model parameters show that the continuous wavelet transform has high accuracy for the modal parameter identification of the large-scale structure.
通过三自由度模型模态参数的辨识，表明连续小波变换对于大型结构的模态参数辨识准确度高，具有现实意义。
The identification results of the 3-dof model parameters show that the continuous wavelet transform has high accuracy for the modal parameter identification of the large-scale structure.
通过三自由度模型模态参数的辨识，表明连续小波变换对于大型结构的模态参数辨识准确度高，具有现实意义。
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