A noise feedback least-mean-square algorithm of data processing for SQUID-based magnetocardiography

被引：9
|
作者：
Zhu, XM
Tian, Y
Zhao, SP
Chen, GH [1 ]
Yang, QS
机构：
[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100080, Peoples R China
[2] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui Province, Peoples R China
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2005年 / 18卷 / 08期
关键词：
D O I：
10.1088/0953-2048/18/8/005
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a modified normalized least-mean-square algorithm for SQUID-based magnetocardiography data processing with a new error function, in which the instantaneous signal component represented approximately by an average of near past error data has been eliminated. In this way, the rebounds of the weight vector W from its optimal value in parameter space due to the signal component can be well avoided.
引用
收藏
页码：1054 / 1059
页数：6
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