Structure modal parameter online identification was used to monitor the structural health as evidenced by changes in the vibration characteristics.
为了实现结构基于振动特性的健康监测，进行了在线模态参数识别。
Although modal flexibility on structure damage and discern has higher sensitivity, it still needs the structure mode parameter before damaging, which is not beneficial to practical application.
虽然利用模态柔度进行结构损伤识别具有较高的灵敏度，但是却要用到损伤前的结构模态参数，不利于实际应用。
In this paper, the progress of modal parameter identification method for structure system in the past twenty years is discussed, and typical achievements by these methods are briefly introduced.
对结构系统模态参数识别方法近十几年来的最新研究成果进行了综述和总结。分析了模态参数识别方法的发展趋势，并对其中的典型研究成果进行简要的介绍。
Based on the modal analysis theory, modal testing system is built, and the modal parameter of the Diesel Engine Main parts and the Combined Structure are obtained by using software.
本文根据模态试验理论搭建了模态试验系统，获取了柴油发动机主要零部件及其组合结构的模态参数。
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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