关键词: 小波分析 奇异性检测 李氏指数 回波信号

Abstract:

The problem of signal singularity detection is presented. The relationship between wavelet transformation and signal singularity is given, and all kin  ds of discontinuous singularity points are detected by wavelet analysis effectively. An illustration validates this method. The wavelet analysis technique is adapted to processing brim signals and sudden signals, and supplies the theory gist for the underwater target feature extraction and classificatio n.

Key words: wavelet analysis, singularity detection, Lipschitz exponent, echo signal