然而，环境激励（Ambient excitation）是一种天然的激励方式，环境激励下结构的模态参数识别就是直接利用自然环境激励，无须贵重的激励设备，只须根据系统的响应信号进...
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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。
The dynamic characteristics of Ligong First Bridge of Wuhan University of Technology were analyzed based on its dynamic testing results under ambient excitation.
在环境激励下对武汉理工大学理工一桥进行了动力测试，在此基础上分析了该桥梁的动力特性。
Enclosing damage diagnosis, this pape studies modal experiment in ambient excitation, optimal placement of sensors and structural damage alarming using wavelet packet energy spectrum.
本文围绕结构损伤诊断，研究基于环境激励的模态试验方法、传感器优化布置原理和小波包能量谱损伤预警方法三方面的内容。
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