振动信号被分解为一系列固有模态函数。
The vibration signal is decomposed into a sum of intrinsic mode functions.
讨论了经验模态分解方法及其在获取固有模态函数过程中的自适应滤波特性。
The EMD method and its adaptive filtering property in the process of obtaining the intrinsic mode function(IMF) were discussed.
本文介绍了经验模态分解的方法与原理，给出了由经验模态分解产生的固有模态函数重构组合滤波器的原理与详细算法。
Firstly, the theory of empirical mode decomposition (EMD) is introduced, and the reconstructing and filtering algorithm of intrinsic mode functions (IMF) from EMD is given in this paper.
对透平机械常用的叶轮的固有振动问题给出了一种试验与计算相结合求取其精确振动模态函数的方法。
This paper gives a method of combining experiment with theoretical calculus, which can be used to obtain the precious vibration mode functions of disk bladed of turbine machinery.
对透平机械常用的叶轮的固有振动问题给出了一种试验与计算相结合求取其精确振动模态函数的方法。
This paper gives a method of combining experiment with theoretical calculus, which can be used to obtain the precious vibration mode functions of disk bladed of turbine machinery.
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