Optimal Wavelets Vanishing Moments for Singular Signal Detection
The wavelet transform modular maximum corresponds to the singularity of signal. Based on the fact that wavelet transform modular maximum of signal is different from that of noise at different scales, the noise can be removed from signal. The relationship between wavelet with different vanishing moments and Lipschitz exponent is discussed. And the influence of vanishing moments on singular signal detection is analyzed. The experimental results show that it is necessary to choose appropriate wavelets with different vanishing moments to detect signals with different singularities.
Singularity modular maximum vanishing moments signal detection
Jian Tao Su Feng He You Qu Changwen Qiu Rongjian
Research Institute of Information Fusion,Naval Aeronautical Engineering Institute,Yantai,264001,Chin The Military Deputation Office of Navy in Lanzhou Area 730000,Lanzhou China
国际会议
西安
英文
2007-08-16(万方平台首次上网日期,不代表论文的发表时间)