This paper is to analyze and study on the vibration measurement and analysis technology, especially on the testing modal analysis method. The advantages and disadvantages of the limited-time Fourier Transform and Laplace Transform modal analysis are analyzed.
本文对振动的测试和分析技术做了比较深入的分析和研究，特别是试验模态分析方法做了深入的研究，对现有基于有限时长的傅立叶变换和基于拉普拉斯变换的信号谱分析方法的优缺点做了理论分析，提出了基于拉普拉斯变换的模态分析和参数识别方法，通过理论分析和算例论证，论证了与基于付氏变换模态分析方法相比，基于拉氏变换是一种高精度的模态参数识别方法。
参考来源 - 振动信号的测试与分析及其软件系统的开发·2,447,543篇论文数据，部分数据来源于NoteExpress
试验模态分析是了解结构动特性的重要工具。
Test modal analysis is an important means for understanding dynamic characteristics of construction.
本文用试验模态分析技术研究了螺桨桨叶振动特性。
The vibration characteristics of propeller blades have been investigated by using experimental modal analysis technique.
通过试验模态分析和结构分析，找出结构存在的缺陷。
Through experimental mode analysis and structural analysis, defects in structure were found out.
应用推荐