The use of the theory of wavelet analysis of the singular signals is qualitatively described.The problem of how to use the wavelets to find the singular signal and its characterization are discussed.

• 摘要对奇异信号的小波分析理论做了定性的描述，并引用小波变换模极大值在多尺度上的变化规律来表征信号突变点的特性。