提出一种环境激励下的模态识别方法。
A kind of method of modal identification subject to ambient excitation is presented.
利用频域-空间域分解法，建立桥梁运行模态识别方法。
Operational modal analysis method of bridge was built based on frequency domain and spatial domain decomposition.
首先，本文对基于振动模态分析理论的损伤识别方法进行了探讨。
Firstly, the damage identification method based on vibration modal analysis theory is discussed and analyzed.
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