Singularity signal usually contains very important information, is one of the characteristics of the signal.
信号的奇异性通常包含有十分重要的信息,是信号的特征之一。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
小波变换具有良好的时频局部性,具有变焦距的特点,对故障信号中的奇异点能够准确识别,是论文中应用的主要分析方法。
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.
在分析小波变换物理本质和奇异性检测原理的基础上,研究了小波基和白噪声对信号奇异性检测性能的影响。
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