本文通过分析经验模式分解方法的原理,对其关键技术进行研究并提出了一种改进算法。
This paper analyzes the principle of empirical mode decomposition method, and it analyzes key technologies and proposed an improved algorithm.
在分析经验模式分解存在问题的基础上,改进了经验模式分解的算法,提出用窗口平均法取代原极值包络法来计算局部均值。
Based on the analysis of some problems in the method of empirical mode decomposition, the algorithm of empirical mode decomposition is improved in this paper.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号,进行建筑结构损伤检测诊断。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
应用经验模式分解(E MD)方法分析抽油机系统效率变化的趋势项。讨论了EMD方法的端点效应。
We apply the empirical mode decomposition (EMD) method to analyzing the trend of change in the efficiency of an oil well system and deal with the end effects of the EMD.
研究结果表明:基于经验模式分解的时频分析方法可以很有效地提取到非平稳故障特征信号,是一种适合于非线性信号处理的方法。
The experiment result shows that the time-frequency method based on EMD can effectively extract the feature of unbalanced fault signal and is proper for non-frequency modulation signal procession.
在论述了经验模式分解(EMD)信号分解原理的基础上,分析了其存在的边缘效应,并提出了通过添加极值点抑制边缘效应的思路和策略。
The end effects of empirical mode decomposition (EMD) are discussed and the end effects are restrained by the method. The results of EMD in both signals are analyzed by three ways.
在论述了经验模式分解(EMD)信号分解原理的基础上,分析了其存在的边缘效应,并提出了通过添加极值点抑制边缘效应的思路和策略。
The end effects of empirical mode decomposition (EMD) are discussed and the end effects are restrained by the method. The results of EMD in both signals are analyzed by three ways.
应用推荐