节点文献
基于模极大值小波域的包络去噪算法研究
Study on an Envelope Denoising Algorithm Based on Modulus Maximum Wavelet Field
【Author】 Meng Zhong Dai Guiping Liu Bin Lin Hongbin (Electrical Engineering Institute, Yanshan University, Qinhuangdao 066004, China)
【机构】 燕山大学电气工程学院;
【摘要】 针对包络轮廓信息提取粗糙的难题,结合小波变换和希尔伯特变换原理,提出了一种基于模极大值小波域的包络去噪算法。仿真表明该算法提高了包络提取的精度,全面获得信号所隐含的故障特征。
【Abstract】 For solving the rough outline about extracted envelope,an innovational extracted envelope denoising algorithm based on modulus maximum wavelet field was proposed combined with wavelet transform and Hilbert transform. Simulation results show that the research work can efficiently and accurately extract overall fault characters of the envelope information in signal.
【关键词】 小波变换;
包络提取;
去噪;
模极大值小波域;
【Key words】 Wavelet transform Envelope extraction Denoising Modulus maximum wavelet field;
【Key words】 Wavelet transform Envelope extraction Denoising Modulus maximum wavelet field;
- 【会议录名称】 第七届青年学术会议论文集
- 【会议名称】第七届青年学术会议
- 【会议时间】2005-08
- 【会议地点】中国秦皇岛
- 【分类号】TN911
- 【主办单位】中国仪器仪表学会