计算机工程与应用 ›› 2009, Vol. 45 ›› Issue (8): 165-167.DOI: 10.3778/j.issn.1002-8331.2009.08.050

• 数据库、信号与信息处理 • 上一篇    下一篇

基于离散小波变换的信号分解算法研究

宗常进1,毕军涛2,董军宇3   

  1. 1.中国海洋大学 高等职业技术学院,山东 青岛 266071
    2.青岛酒店管理职业技术学院,山东 青岛 266100
    3.中国海洋大学,山东 青岛 266071
  • 收稿日期:2008-01-25 修回日期:2008-07-23 出版日期:2009-03-11 发布日期:2009-03-11
  • 通讯作者: 宗常进

Research of signal decomposition algorithm based on discrete wavelet transform

ZONG Chang-jin1,BI Jun-tao2,DONG Jun-yu3   

  1. 1.Higher Occupation Technical College,Ocean University of China,Qingdao,Shandong 266071,China
    2.Qingdao Hismile College,Qingdao,Shandong 266100,China
    3.Qcean University of China,Qingdao,Shandong 266071,China
  • Received:2008-01-25 Revised:2008-07-23 Online:2009-03-11 Published:2009-03-11
  • Contact: ZONG Chang-jin

摘要: 提出一种基于离散小波变换的信号分解算法.实验结果表明,该算法较好地克服了传统信号分解在高频段的频率分辨率较差,而在低频段的时间分辨率较差的缺点。

关键词: 离散小波变换, 信号分解, 分辨率

Abstract: A signal decomposition algorithm based on discrete wavelet transform was raised.The results of the experiments show that the proposed method works well in overcoming traditional signal decomposition the worse frequency resolution in the high frequency segment,but the worse time resolution in the low frequency segment.

Key words: Discrete Wavelet Transformation(DWT), signal decomposition, resolution