在新的一行，一个单一的退出系统将信号分解。
稀疏信号分解；阶比分析；齿轮；故障诊断；
Sparse signal decomposition Order analysis Gear Fault diagnosis;
由于这种信号分解方法是自适应的，因此也是高效的。
This decomposition method is adaptive and, therefore, highly efficient.
介绍了匹配追踪信号分解法在发动机故障诊断中的应用。
The paper introduces the matching pursuit and signal decomposing method which is employed in the diesel engine fault diagnosis.
这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。
This method decomposes a measured signals waveform into a series of sine and cosine components.
ECG经奇异值正交分解后，将信号分解到信号空间和噪声空间中。
The electrocardiogram(ECG) is decomposed on the single value decomposition(SVD) into two time orthogonal subspaces, one containing ECG and the other containing artifacts.
结果表明将心率变异性信号分解可显著提高复杂性分析指标的灵敏度。
The results reveal that the sensitivity of the complexity indices can be improved by decomposing the heart rate variability.
利用信号的阈值分解，导出适合神经网络实现的信号分解和信号恢复算法。
Based on the threshold decomposition of a k-level signal, an algorithm of decomposition and reconstruction suitable for implementation of feedforward neural network is proposed.
本发明公开了一种基于多尺度线调频基稀疏信号分解的齿轮故障诊断方法。
The invention discloses a gear fault diagnosis method based on multiscale linear frequency modulation-based sparse signal decomposition.
利用双正交小波基将齿轮的故障振动信号分解到时频域，并提取出齿轮的故障特征。
This paper mainly introduces that the fault vibrating signal of gears was decomposed into time-frequency domains by double-orthogonal wavelet analysis and the fault feature of gears was picked up.
匹配跟踪作为一种自适应的信号分解算法，为语音和音频正弦建模提供了一个新的框架。
As an adaptive algorithm of signal decomposition, matching pursuits provides a new framework for sinusoidal modeling of speech and audio signal.
这种方法通过滤波器组将信号分解与重构，实现趋向性信号与零均值平稳随机信号的分离。
Based on decomposition and reconstruction of the signals by filter sets, the trend-signal is separated from stationary stochastic signals.
MIT的研究者开发的最快的傅里叶变化，这一技术可以把信号分解为带有它自身成分的频率。
MIT researchers developed one of the fastest software implementations of the Fourier transform, a technique for splitting a signal into its constituent frequencies.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
最常见的数字信号处理技术之一是离散傅立叶变换（DFT），它把一个信号分解成它的组成频率，并表示成一个矩阵。
One of the most common digital-signal-processing techniques is the discrete Fourier transform (DFT), which breaks a signal into its component frequencies and can be represented as a matrix.
利用提升格式研究了在空间域内构造小波的问题，并得到了基于提升格式下的小波信号分解与重构的计算方法。
Researching on how to construct the wavelet in space domain by lifting scheme, the thesis obtains the computation method of wavelet signal decomposition and reconstruction based on the lifting scheme.
研究表明，齿轮运动信号分解能够有效检测齿轮的各类故障，高阶加速度信号对齿轮某些类型的早期故障更加敏感。
Experimental results show that gear vibration signal decomposition can detect different faults, and high-order acceleration signals are more sensitive to certain type of fault.
本文用信号分解和叠加的理论及方法，推导出一种适用于分析运算放大电路反馈特性的“分解方框图”，并通过实例介绍了相量图分析法。
In this paper, authors deduce a analysis scheme explaining feedback characteristic of a operation amplifier using the theory and method of signal composing and decomposing.
为了在不同噪声、信噪比下为基音检测算法提供更能准确反映基音周期实际变化的输入语音，本文将信号分解思想引入基音检测前端处理中。
In order to provide an accurate-pitch-cycle speech for pith detection algorithm with varied noise and SNR, we use signal decomposition theory in pre-processing of pitch detection.
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.
该文提出了一种新的非平稳信号的时变参数ARMA模型分析方法，用它分析数据需两个基本步骤：首先，用一种信号分解方法把信号分解成一些基本模式分量。
In this paper, a new method for time-varying ARM A model is introduced. It includes two procedures. First, using one method of signal decomposition, a signal is decomposed into some basic components;
如果和某些研究人员所说的那样，浪漫爱情的刺激可以分解为大脑中的电子脉冲，那么何不训练头脑在观看无生命的人物时模拟出刺激信号呢？
If, as some researchers suggest, romantic love can be broken down into electrical impulses in the brain, then why not train the mind to simulate those signals while looking at an inanimate character?
利用协方差矩阵的特征值。能实现信号和噪声的分解。
The eigenvalue of covariance matrix can be used to separate signal from noise.
单胺氧化酶是一种能分解脑部神经传导物质(信号化学物质)的酶。
Monoamine oxidase a (MAOA) is an enzyme that breaks down neurotransmitters (signaling chemicals) in the brain.
总之，这些结果显示癌细胞如何能通过脂肪分解酶转化脂肪形成一系列具有促癌信号的状态。
Together, these findings reveal how cancer cells can co-opt a lipolytic enzyme to translate their lipogenic state into an array of protumorigenic signals.
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.
为在计算机上做傅里叶级数的分解，需要对连续信号进行抽样，然后按离散傅里叶级数进行分解。
In order to analyzing digital signals with the aid of computers, it is necessary to use Fourier Series of discrete form.
在第三章中，介绍了基于信号稀疏分解的频率估计方法。
In the third chapter, a measure of frequency estimation based on signal sparse decomposition is introduced.
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.
在这篇文章中，我们提出了一个新概念——信号的褶积分解。我们讨论了信号褶积分解的性质，特别是能量有限性质。
In this paper, a new concept-the convolution and decomposition of signal is put forward, its nature as well as the limited energy in particular are discussed.
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