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.
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。
Aiming at the mode mixing problem caused by intermittency signal in the sifting process of empirical mode decomposition (EMD), a new solution is presented.
针对在经验模态分解(EMD)筛选过程中间断信号引起的模态混叠问题，提出了一种新的解决方法。
On the basis of the traditional vibration signals process method for the rolling bearing, the empirical mode decomposition (EMD) were applied in the fault diagnosis of the rolling bearing.
在分析了传统滚动轴承的振动信号处理方法的基础上，将经验模态分解法(EMD)应用到滚动轴承的故障诊断中来。
The principle of empirical mode decomposition (EMD) and concept of shape factor are introduced.
介绍了经验模态分解法（EMD）的原理及波形指数的概念。
In this paper, a freight car rolling element bearings fault diagnosis method based on Empirical Mode Decomposition(EMD) and adaptive short_time Fourier transform(STFT) is proposed.
提出了一种结合经验模态分解（EMD）和自适应短时傅里叶变换（STFT）的铁路货车滚动轴承故障诊断方法。
This paper proposes an effective time series matching method by combining the empirical mode decomposition (EMD) with the alternative covering algorithm.
将经验模式分解和多层前向网络的交叉覆盖算法相结合，提出一种时间序列相似模式的匹配算法。
Based on Empirical Mode Decomposition (EMD), a new method was presented to monitor flow pattern of oil-gas two-phase flow by using energy evaluation and threshold probability statistical technique.
基于经验模态分解技术，采用能量评估和阈值概率统计手段，提出了一种油气两相流流型状态监测的新方法。
Although EMD (Empirical Mode Decomposition) is of many advantages and has been applied in many scientific fields, some of its defects become obstacle to further applications.
经验模态分解法虽然有许多优点，也已在一些领域取得了应用，但是，其本身可能还存在着一些问题，阻碍了它的进一步应用。
This paper investigates a new method of extracting partial discharge signals of hydroelectric generating set based on empirical mode decomposition (EMD).
提出一种基于经验模态分解（EMD）的水轮发电机组局部放电信号提取方法。
The stopping criteria for sifting and boundary effect are studied for Empirical Mode Decomposition(EMD) algorithm.
对经验模式分解算法中的滤波停止条件和端点延拓问题进行了研究。
In order to improve the signal-to-noise of the pulsar signal, an algorithm of pulsar signal de-noising based on Empirical Mode Decomposition (EMD) is proposed.
为了提高脉冲星辐射信号的信噪比，提出了一种基于经验模态分解(EMD)的脉冲星信号去噪算法。
Empirical mode decomposition (EMD) method was used to study the fluctuation of inundated area of flood disaster from 1949 to 2002 in Hunan Province.
应用经验模态分解(EMD)方法分析了湖南省1949 ~ 2002年洪涝灾害成灾面积波动情况。
Empirical Mode Decomposition (EMD) is introduced to replace time synchronous averaging of gearbox vibration signal.
探讨了应用经验模态分解代替时域同步平均分析减速器振动信号的方法。
The proposed HVD method was based on the Hilbert transform(HT), just as Hilbert-Huang transform(HHT), but did not involve complicated empirical mode decomposition(EMD).
虽然HVD方法和希尔伯特黄变换（HHT）方法这两者均以希尔伯特变换为基础，但HVD方法避免了复杂的经验模式分解（EMD）过程。
Empirical mode decomposition(EMD) is a signal processing technique to decompose data set into several intrinsic mode functions(IMF) by a sifting process.
经验模式分解（EMD）通过筛分过程将原始信号分解成若干个基本模式分量（IMF），可看作无需预设带宽的自适应高通滤波方法。
A new method is put forward for stability analysis and evaluation of buildings above goaf by multiscale decomposition using empirical mode decomposition (EMD) method.
基于多尺度经验模态分解(EMD)，提出了老采空区上方地表建筑物稳定性分析及预测新方法。
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.
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。
Nonlinear and nonstationary time series are decomposed into a series of instrinsic mode functions and a residual trend item by the empirical mode decomposition (EMD).
非线性，非平稳的时间序列经过经验模分解，可以得到一组内模函数和一个基本的趋势项。
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.
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。
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。
In order to improve the forecast precision, a forecasting method based on empirical mode decomposition (EMD) and data mining method is proposed.
为了提高风电场风速短期预测的精度，提出了将经验模式分解与数据挖掘方法相结合对风速时间序列进行建模预测。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
A new method was provided based on the empirical mode decomposition (EMD) to solve the difficulties of infrared image dim small target detection in complex background of sky and sea.
针对红外图像中的小目标检测，提出了一种利用经验模态分解(EMD)提取海空背景下红外弱小目标的新方法。
To deal with this problem, comparison is made between the empirical mode decomposition(EMD) and the wavelet method in terms of signal trend extraction.
研究了强噪声混合条件下微弱信号的经验模式分解（EMD）问题，提出了一种基于随机共振降噪的EMD分解方法。
This paper proposes a method to remove trends based on correlation matrix by empirical mode decomposition(EMD).
提出一种基于相关系数矩阵判断准则的经验模态分解去除趋势项的方法。
Aiming at the mode mixing problem caused by intermittency signal in the sifting process of empirical mode decomposition (EMD), a new solution is presented.
讨论了由于间歇信号嵌入导致经验模式分解结果出现模态混叠的现象，指出极值点序列幅值突变是产生模态混叠的根本原因。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题，提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题，提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
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