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author:

齐敏 (齐敏.) [1] | 黄世震 (黄世震.) [2]

Indexed by:

CQVIP PKU

Abstract:

小波阈值去噪是通过小波变换技术将含噪信号分解及重构,通过一个阈值限定小波分解后的小波系数来去除噪声的方法。在小波分析域中分析了传统的软阈值法和硬阈值去噪方法的特点,同时指出传统分析法中存在的缺点,提出了软硬阈值折衷的去噪方法。采用雷达信号用Matlab对去噪效果进行仿真,证明了改进方法的去噪效果优于单纯的软阈值与硬阈值方法。

Keyword:

MATLAB 小波变换 阈值函数 阈值降噪

Community:

  • [ 1 ] 福州大学福建省微电子集成电路重点实验室,福州350002

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Source :

电子器件

ISSN: 1005-9490

Year: 2012

Issue: 1

Volume: 35

Page: 103-106

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 2

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