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›› 2004, Vol. 30 ›› Issue (01): 175-.

• 论文 • 上一篇    下一篇

时频分析技术及研究现状

刘庆云,李志舜,刘朝晖   

  1. 西北工业大学航海工程学院,西北工业大学航海工程学院,西北工业大学航海工程学院 西安 710072
  • 发布日期:2004-01-15

Time-frequency Analysis and Its Present Situation

LIU Qingyun, LI Zhishun, LIU Zhaohui   

  1. (School of Marine Engineering, Northwestern Polytechnical University, Xi'an 710 072)
  • Published:2004-01-15

摘要: 对不同的时频分析技术作了简要介绍,并对其优缺点、彼此间的相互关系进行了 较为详细的论述。同时,对时频分析技术所面临的问题及发展方向谈了一点个人看法。

关键词: 傅氏变换, 适应信号分解, Matching, pursuit算法, 时频分析, WVD分布

Abstract: This paper summarizes briefly different time-frequency analysis tech niques. It discusses in detail the advantages and disadvantages of these techniq ues and their relations. Finally, the prospects and the problems faced by time-f requency analysis technique are also analyzed.

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