2) improved empirical mode decomposition(EMD)
改进的经验模式分解(EMD)
3) empirical mode decomposition
EMD
1.
As a signal analysis method,both empirical mode decomposition and autoregresslve spectrum are introduced.
EMD是一种适用于非线性、非平稳信号的自适应分析方法,故障信号经EMD分解后,提取对故障敏感的分量作自回归谱分析,可以得到高信噪比的特征量。
2.
The end effect is a key shortcoming of the Empirical Mode Decomposition.
在应用经验模态分解(EMD)处理数据的时候,端点效应成为影响该方法精度的主要因素,即在“筛”的过程中上下包络在数据序列的两端会出现发散现象。
3.
The multi-timescales analysis method — Empirical mode decomposition (EMD) is used to diagnose global mean temperature variation and atmospheric content of CO2 during 1881~2002.
经验模态分解方法(EmpiricalModeDecomposition,EMD),可以把不同周期的波动或趋势逐级分解开来,产生一系列具有不同特征尺度的序列称为本征模函数(intrinsicmodefunction,IMF)。
4) Empirical Mode Decomposition(EMD)
EMD
1.
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。
2.
The Empirical Mode Decomposition(EMD) method was used for the first time to make a comparative analysis on the correlation between the net increase of grain and that of the population in Hebei province.
用EMD方法首次对河北省的人口净增量与粮食净增量关系进行比较分析。
3.
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。
5) improved
[英][im'pru:vd] [美][ɪm'pruvd]
改进的
1.
In this paper,using the improved L-P method,the a ut hor seeks to solve the initial value problems of the strongly nonlinear Duffing equation and a class of nonoscillation type differential equation.
用改进的L-P法求解了强非线性Duffing方程和一类非振动型强非线性微分方程的初值问题 ,计算过程简单 ,精度也比张佑启等[2 ] 的改进的L-P法的更
2.
The matters what leads to failure in the planning of traditional APF because of the local minimum problem is discussed,and an improved artificial potential method is proposed.
提出了一种改进的势场函数,并对改进势场函数的规划方法进行分析,发现该方法并不能完全解决局部极小问题。
6) improved DWRR
改进的DWRR
1.
To solve this problem,an improved DWRR scheduling algorithm was proposed.
为此,提出了改进的DWRR调度算法(improved DWRR)。
补充资料：改进
改变旧有情况，使有所进步：～工作ㄧ操作方法有待～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条