“structural modal test at high temperature”的概念、定义、翻译、参考文献-科学参考

单词	structural modal test at high temperature
释义	structural modal test at high temperature Encyclopedia 工学结构热模态试验释 structural modal test at high temperature结构热模态试验在地面模拟飞行器飞行过程中的气动热，获取热环境条件下关键结构的动力特性参数，即固有特性参数和传递特性参数的试验。固有特性参数又包括固有频率、振型和等效阻尼等。通过研究结构在高温条件下的动特性规律，为姿控设计、结构动力学模型修正和颤振分析等提供依据。
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