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Issue:
The processing of measurement data of langmuir probe based on wavelet transform
Author(s):
FU Zhu
,
CHENG Jian
,
CHEN Zhu
,
LIU Han-Fei
Pages:
835
-
840
Year:
2007
Issue:
6
Journal:
JOURNAL OF THE GRADUATE SCHOOL OF THE CHINESE ACADEMY OF SCIENCES
Keyword:
静电探针
;
小波变换
;
等离子体
;
Abstract:
在静电探针自动测量系统测量等离子体参数中,如何在不改变原始数据特征的条件下干净有效的滤除噪声,是一个很重要的问题.对此,采用低通滤波器、移动平均法等一些常用的数据处理方法很难解决.采用2种小波变换:Daubechies小波变换和Biorthogonal小波变换分步进行处理,得到了比较好的处理结果,并对上述的几种方法在实际测量信号中的处理结果进行分析对比来证明了这一点.
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