A kind of method of modal identification subject to ambient excitation is presented.
提出一种环境激励下的模态识别方法。
By using these two methods, the results of modal identification are analyzed and compared...
文中还给出了两种方法模态识别的结果，并进行了比较和分析。
By using these two methods, the results of modal identification are analyzed and compared in this paper.
文中还给出了两种方法模态识别的结果，并进行了比较和分析。
The result shows that the multiple ARX model is suitable for modal identification of the large civil engineering structures on line.
结果表明，多维arx模型用于大型土木工程结构的模态参数在线识别是可行的。
Finally, the present method is applied to the modal identification from the I/O data of FEM dynamic analysis and on board measurement for a container ship.
最后以一货柜轮之有限元素动态分析模拟与实船量测结果为例进行船体整体振动之态特性识别。
Due to the huge volume of civil engineering structure, the vibration excitation is a difficulty; the modal identification based on environmental excitation is available.
由于土木工程结构体积大、形状复杂，外加激励难，因而利用环境激励来获取土木工程结构的模态参数被认为是一种行之有效的方法。
We picked the characteristic curve of the usual fault modal by the experiment and applied a BP network in fault diagnosis. And then we completed the fault diagnosis and modal identification.
通过实验提取一些常见故障模式的特性曲线，运用BP神经网络，实现了电液伺服阀的故障诊断和模式识别。
Two modal identification methods undergoing ambient excitation are investigated for the object of large structures based on modern experimental modal analysis theory and ambient vibration technology.
本文以大型工程结构为研究对象，以近代实验模态分析理论及环境振动识别技术为基础，着重研究了两类基于环境振动的模态参数识别方法。
Two modal identification methods undergoing ambient excitation are investigated for the object of large structures based on modern experimental modal analysis theory and ambient vibration technology.
本文以大型工程结构为研究对象，以近代实验模态分析理论及环境振动识别技术为基础，着重研究了两类基于环境振动的模态参数识别方法。
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