The testing of structural modal parameters is an important basis of dynamic response analysis and structural damage detection.
结构模态参数的测试是进一步进行结构动力响应计算、结构损伤检测等的重要基础。
Finally, the probability of crack exceedance and structural damage degree are calculated and the durability analysis is completed.
进而分析裂纹超越数概率和结构损伤度，完成结构耐久性分析。
Earthquake excitation is represented by random process and structural damage is assessed in terms of maximum displacement and accumulated energy dissipation.
地震扰动用随机过程表示，结构的破坏用最大位移和累积能量耗损两个参数来评定。
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。
And structural damage of several elements can be identified.
可以识别出结构中多个单元的损伤。
And structural damage of several elements can be identified.
可以识别出结构中多个单元的损伤。
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