Title :
Study of Mallat arithmetic on noise-decreasing of AE in 3D braided composite material
Author_Institution :
Inf. & Modern Educ. Center, TianJin Polytech. Univ., Jianjin, China
Abstract :
By incorporating the acoustic emission with fast Mallat arithmetic, the noise in acoustic emission signal can be greatly decreased. The theory is illustrated, which use the wavelet transform based Mallat arithmetic to deal with the noise filtering and signal decomposing and reconstructing. Also it is testified that the wavelet transform based Mallat arithmetic is good at the acoustic emission signal noise-decrasing.
Keywords :
acoustic emission testing; acoustic signal processing; arithmetic; nondestructive testing; signal reconstruction; wavelet transforms; woven composites; 3D braided composite materials; Mallat arithmetics; acoustic emission signal noise decreasing; noise filtering; signal decomposing; signal reconstruction; wavelet transforms; Acoustic emission; Composite materials; Multiresolution analysis; Noise; Three dimensional displays; Wavelet transforms; Mallat arithmetic; signal decomposing; signal reconstructing;
Conference_Titel :
Computer and Information Application (ICCIA), 2010 International Conference on
Conference_Location :
Tianjin
Print_ISBN :
978-1-4244-8597-0
DOI :
10.1109/ICCIA.2010.6141583
