• Based on the characteristics of wavelet transform, the wavelet Singularity Detection is used to locate the feature point and anomaly extension of the Rayleigh wave dispersion curve.

    基于变换原理,利用小波分析中的奇异性检测方法瑞利频散曲线特征波动区段定位

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  • Wavelet singularity detection index is constructed by displacement. But in actual measurement, displacement error is larger. So it is difficulty to promote the apply in the Practical application.

    小波奇异性检测指标通过位移构造的,实际测量中,位移的误差较大,造成实际推广使用有一定难度

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  • Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.

    变换具有良好的时局部性,具有变焦距的特点,对故障信号中的奇异能够准确识别论文应用的主要分析方法

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  • Wavelet is the best base of functions, with point singularity, and it has wide application in image processing because of its time-frequency localization and multiscale features.

    小波表示具有奇异性函数由于具有时-频局部化特点尺度特性,图像处理领域得到了广泛应用

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  • Based on analyzing the physical essence and the principle of singularity detection, this paper discusses the effect of wavelet bases and white noise on signal singularity detection.

    分析变换物理本质奇异检测原理基础上,研究了小波基和噪声信号奇异性检测性能的影响

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  • It is an attractive application field for wavelet transform because the signal is expressed by the comprehensive behavior of wavelet transform of singularity spot in multi-dimensional space.

    信号变换奇异多尺度上综合表现来表示信号小波变换引人注意的另应用领域

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  • Wavelet analysis has space localization property. It is very effective to analyze the signal singularity and singularity location and scale by wavelet analysis.

    分析具有空间局部化性质利用小波分析分析信号奇异奇异性的位置奇异度的大小比较有效的。

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  • And through gathering actual gear wheel vibration signal from laboratory, utilizing wavelet transform to study singularity monitoring, has made the good results.

    并且通过实验采集到的实际齿轮振动信号分析,利用小波变换其进行奇异性监测研究取得良好的效果。

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  • The thesis has discussed the calculating of the Lipschitz exponent, and analysised and compared the condition between wavelet bases and singularity detection of signal.

    文中奇异指数求解问题进行了较详细的讨论研究,同时不同小波下的信号奇异性检测情况进行了分析比较

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  • Based on the wavelet transform and the relation between signal singularity and wavelet transform modular maximum, a noise removal technique is discussed.

    论述了小分析、信号奇异性小波变换极大值性质关系基础上,本文给出了一种基于小波变换模极大值的信号去算法

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  • This paper describes the principle of singularity detection of signals with wavelet transform. A fast algorithm is developed for computing wavelet transform of signals.

    本文介绍了变换用于信号突变检测原理,给出了实现小波变换的快速算法

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  • The new algorithm mainly recurred to the ability of detecting singularity in signal by continuous wavelet transform and multi-resolution analysis of wavelet transform.

    算法充分利用连续变换探测信号奇异性能力小波的多分辨率特性。

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  • The paper discuss the singularity detection theory of wavelet transform, this theory is applied to analysis of fault characteristics of the transient traveling waves.

    本文讨论小波变换小波变换奇异性检测理论将其应用于暂态行波故障特征分析

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  • The application of wavelet theory in signal processing in mechanical engineering field is also discussed and a practical technique for signal singularity detection is proposed.

    研究分析机械工程信号处理中的应用,提出通过二进小波变换检测信号奇异点实用技术

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  • A wavelet domain singularity detection algorithm, based on the theory of pulse extraction, is applied in partial discharge (PD) pulse extraction utilizing the singularity of PD signal.

    在提出脉冲提取思想基础利用局部放电信号所固有的奇异性特征,将波变换的奇异性检测原理应用于提取局部放电脉冲。

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  • If the wavelet transform is directly implemented in pitch detection, comparing the glottal closure singularity of speech signal with image grey break, we will not obtain the anticipative result.

    声门闭合语音信号中表现出相应的奇异性,图像边缘突变进行等价对比直接变换用于声门闭合奇异型的检测并不得到预期效果。

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  • If the wavelet transform is directly implemented in pitch detection, comparing the glottal closure singularity of speech signal with image grey break, we will not obtain the anticipative result.

    声门闭合语音信号中表现出相应的奇异性,图像边缘突变进行等价对比直接变换用于声门闭合奇异型的检测并不得到预期效果。

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