2007•Journal of Chongqing Institute of TechnologyRequires access

Application of Wavelet Transform in Detection of Signal Singularity of Underwater Target Echo

Nie Shuang-shuang

Abstract

The problem on signal singularity detection is studied.The relation between wavelet transformation and signal singularity and the selecting method for wavelet are presented,and the wavelet analysis detects all kinds of singularity discontinuous point effectively.Example studies show that the wavelet transform technique and theory are applicable to processing and collecting the brim signal and the sudden signal.

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Key concepts: Wavelet, Singularity, Wavelet transform, Wavelet packet decomposition, SIGNAL (programming language), Transformation (genetics), Harmonic wavelet transform, Second-generation wavelet transform