| 关于模态分析中若干问题的理解 |
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| 引用本文： | 李德葆. 关于模态分析中若干问题的理解[J]. 清华大学学报(自然科学版), 1987, 0(5) |
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| 作者姓名： | 李德葆 |
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| 作者单位： | 工程力学系 |
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| 摘 要： | 本文论述模态分析实践中常见的若干重要问题。主要是：关于传递函数的表达公式；复模态与实模态振型的区分；准实模态的振型实化；模态振型的规格化；以及模态参数的意义及单位等。
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| 关 键 词： | 模态分析 传递函数 振动 |
Understanding of Several Problems in Modal Analysis |
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| Li Debao. Understanding of Several Problems in Modal Analysis[J]. Journal of Tsinghua University(Science and Technology), 1987, 0(5) |
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| Authors: | Li Debao |
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| Affiliation: | Department of Engineering Mechanics |
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| Abstract: | This paper deals with several important problems which occur during modal analysis, mainly about the expressions of transfer function, the distinction between the real mode shape and complex mode shape, the realization of quasi-real-mode shape, the scaling of mode shape and the meaning of modal parameters and their units. |
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| Keywords: | modal analysis transfer function vibration. |
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