【摘要】 介绍小波理论中的信号奇异性检测方法 ,将其应用于一个实际的变压器油中氢气浓度在线监测曲线 ,确定信号突变的发生时刻、计算出突变点的 L ipschitz指数α和平滑因子σ ,取得了满意的效果。更多还原

【Abstract】 This paper applies the wavelet based singularity detection method to detect the variation of hydrogen gas concentration in power transformer oil. It seems that this method can determine the break-point of the signal and calculate Lipschitz index α and the smoothness factor σ .更多还原