The vibration characteristics of propeller blades have been investigated by using experimental modal analysis technique.
本文用试验模态分析技术研究了螺桨桨叶振动特性。
Experimental modal analysis is a technique to build modal model based on the measured data.
实验模态分析是基于实测数据建立系统数学模型的技术。
A method of mode correction is suggested to improve the accuracy of the experimental mode based on the results of experimental modal analysis, modal synthesis technique and Rayleigh's method.
用试验模态分析结果、模态综合技术、瑞利法相结合的办法，提高了试验模态分析所得振型的精度。
Modal analysis an experimental and analytic technique to analyze the dynamic performance of machines, establish the dynamic models and optimize the parameters.
模态分析是研究各种机械的动态特性，建立动力学模型，进行参数优化必不可少的一种分析技术。
Dynamic mechanical characteristics of 3d woven composite beams are studied by means of the software of ANSYS and the experimental modal analysis technique.
采用有限元分析软件ANSYS分析了三维机织复合材料悬臂板的动态力学性能，预测了其固有频率和振型。
Dynamic mechanical characteristics of 3d woven composite beams are studied by means of the software of ANSYS and the experimental modal analysis technique.
采用有限元分析软件ANSYS分析了三维机织复合材料悬臂板的动态力学性能，预测了其固有频率和振型。
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