Real modal parameter identification has been used and 13 modes are identified. The obtained modes are compared with the results from steady exciting, ambient vibration and FEM calculation.
在识别中采用了实模态识别法，识别出前13个模态参数，并与稳态激振、环境振动及有限元计算进行了比较，结果是比较符合的。
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。
A method of modal parameter identification using datas of random vibration tests is introduced.
文章介绍了利用随机振动的试验数据进行模态参数辨识的方法。
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。
Then modal analysis is performed by using finite element method. In this way, the relations between parameters and structural vibration frequency are figured out by parameter analysis.
利用有限元计算软件进行了结构模态分析，通过参数分析找到了各参数与结构振动频率之间的关系。
Then modal analysis is performed by using finite element method. In this way, the relations between parameters and structural vibration frequency are figured out by parameter analysis.
利用有限元计算软件进行了结构模态分析，通过参数分析找到了各参数与结构振动频率之间的关系。
应用推荐