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Author:

郑传行 (郑传行.) | 张一鸣 (张一鸣.)

Indexed by:

CQVIP PKU CSCD

Abstract:

低场脉冲核磁共振信号在去除噪声的同时不能损失峰值与边沿有用信息.本文首先介绍了基于平稳小被变换的空域阚值滤波法,然后提出对小波系数先平移以保证边沿对齐再做相邻尺度乘积的改进,并给出新的空域相关阈值计算公式,试验表明该方法在有效保护核磁共振信号峰值与边沿的同时很好地抑制了噪声.

Keyword:

噪声 阈值 小波变换 核磁共振 滤波

Author Community:

  • [ 1 ] [郑传行]中国科学院研究生院
  • [ 2 ] [张一鸣]北京工业大学

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Source :

核电子学与探测技术

ISSN: 0258-0934

Year: 2008

Issue: 1

Volume: 28

Page: 30-34

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 4

Chinese Cited Count:

30 Days PV: 2

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