Character Recognition of Metal Magnetic Memory Signal Based on Wavelet Packet Transposition

被引：0
|
作者：
Zhang Xi-Yong [1 ]
Zhang Yong-Xiang [1 ]
Ming Ting-Tao [1 ]
机构：
[1] Naval Univ Engn, Wuhan, Peoples R China
来源：
ICEET: 2009 INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT TECHNOLOGY, VOL 2, PROCEEDINGS | 2009年
关键词：
Metal Magnetic Memory; Wavelet Packet; Filtering;
D O I：
10.1109/ICEET.2009.261
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The metal magnetic memory technology is the only tried and true method process early damage detection for metal parts. The paper put forward a new filtering method based on wavelet packet decomposition and reconstruction. Wavelet packet decompose signals on each different frequency range, we can achieve filtering goal through intercepting interested frequency range again reconstructing signals. Simulation verify the feasibility of the method and get preferable effect in actual signal processing that make character more clear in stress concentration fields and depress probability of misjudge.
引用
收藏
页码：99 / 102
页数：4
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