• 推导小波分析奇异信号检测之间关系压力传感器信号进行了奇异值的检测。

    The relationship between wavelet analysis and singular signal detecting is deduced, and the example of a pressure sensor singular signal detecting is presented.

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  • 奇异信号中的奇异不规则突变部分经常携带比较重要信息信号重要特征之一

    The singular points and irregular transient parts of the singular signal often take some important information, which is one of the main characters of a singular signal.

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  • 寻找重力信号的过程中,GEO600科学家们发现了一些奇异现象

    While looking out for a gravitational wave signal, scientists at GEO600 noticed something bizarre.

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  • 试验表明系统可以发现故障机械振动信号带有奇异性,实现旋转机械故障诊断。

    Experimentation results indicate that the singularity of the fault machinery vibration signal can be detected and the machinery fault can be discovered by the system.

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  • 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

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

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  • 奇异分解界定信号噪声空间困难之处,在于有效确定。

    A general difficulty of using singular value decomposition (SVD) to split signal and noise subspaces is in the right choice of effective rank.

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  • 雷达回波信号奇异点携带大量地下目标信息,是借以分析地下物质结构重要依据。

    The singularities of ground Penetrating Radar (GPR) echo wave signals can show the characters of objects or the layer structures under the ground sufficiently.

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  • 信号奇异通常包含有十分重要信息信号特征之一

    Singularity signal usually contains very important information, is one of the characteristics of the signal.

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  • 利用小波变换系数信号奇异指数之间关系调频信号中提取出调制信号频率

    Frequency of modulated signals is extracted from frequency-modulated signals by using the relationship between the modulus of wavelet transform coefficient and the singular exponent.

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  • 传统极大值序列处理方法虽然可以保留信号特征但降噪信号奇异毛刺轻微振荡

    Although traditional processing method of modulus maximum array can retain characteristics of signal, the signal after de-noising exists thorns and slight oscillation at singularity point.

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  • 奇异分析数字信号分析一种方法

    Singular spectrum analysis (SSA) is a novel way to analyze digital signals.

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  • 信号奇异位置很容易确定入射缺陷反射波、桩底反射波位置。

    Then the incident wave, pile-toe reflection wave and flaw reflection wave can be judged by the position of singularity.

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  • 分析小波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

    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.

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  • 利用奇异理论提取包含矩阵奇异作为气缸爆发噪声信号特征

    Singular value is extracted as to feature of cylinder explosive noise signal from Cover Matrix with singular value theory.

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  • 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。

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

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  • 声发射信号处理使用分析工具—小波,将信号在不同尺度上分解,以便确定信号奇异点处特征信息。

    In processing the AE signal, the analysis tool of time and frequency-wavelet package is adopted, in order to confirm the characteristics of time and frequency in strange points of the signal.

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  • 根据斜拉桥结构振动受损部位振动信号奇异性,利用小波奇异性检测理论分析斜拉桥结构在受损时的振动信号判断结构损伤情况。

    Based by singularity of vibration signal of damage position on cable-stayed bridge as vibrating, we can analyze vibration signal when cable-stayed bridge is damaged to estimate structure damage.

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  • 文章给出基于分析信号奇异检测理论通过突变信号进行小波分析可以发现结构损伤情况

    The signal singularity detection theory based on wavelets analysis is given. Through the study of those singularity, the damage situation of the structure may be discovered.

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  • 本文阐述利用小波分析检测信号奇异特征的原理基础检测信号奇异性进行了提取。

    This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in pile foundation.

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  • 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实用技术

    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.

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  • 十分准确地刻画出声波信号奇异性,应用交变语音信号处理

    The strangeness of acoustic wave signals is precisely described and is applied to the processing of alternating speech signals.

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  • 本文利用小波变换系数平方值信号奇异指数之间关系超声回波信号中提取出胎儿心率

    The fetal heart rate can be extracted from the returning signal of ultrasound by way of the connection between the modulus of the wavelet transform coefficient and the singular exponent.

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  • 研究了信号奇异检测问题

    The problem on signal singularity detection is presented.

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  • 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

    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.

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  • 首先分析了地面磁共振信号特征奇异噪声来源特点,提出了相应的消除方法并进行了仿真研究。

    The features of Surface Nuclear Magnetic Resonance(SNMR) signal for underground water and the sources and characters of the spike noise distortion are analyzed.

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  • 提出采用切削信号奇异指数作为衡量刀具磨损参量

    The singular index of cutting force signal is proposed as a parameter for detecting cutter's wear.

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  • 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,将波变换的奇异检测原理应用于提取局部放电脉冲。

    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.

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  • 分解本身信号奇异十分敏感特点可以用来跟踪电机振动速度信号

    Because the wavelet packet decomposition is very sensitive to signal of the strange point, this characteristics can be used to follow the velocity signal of motor vibration.

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  • 傅立叶变换分析信号奇异传统方法

    The Fourier transform is a classical method for analyzing signal singularities.

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  • 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监测研究取得良好效果

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

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