The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Research on Fault signal in Power Transmission Line Based on Wavelet Theory
Author(s): 
Pages: 31-33,36
Year: Issue:  5
Journal: Electric Switcher

Abstract: 输电线路发生故障后,其行波信号是一个突变的、具有奇异性的信号[1].小波分析具有很多有用的性质,利用小波多分辨率的特性可将突变信号进行多尺度分解,然后通过分解后的信号来确定突变信号的突变位置.Lipschitz指数被用来定量描述函数的奇异性[2].当小波变换尺度越来越精细时,小波变换模的极大值信号的突变点位置越精确.其衰减速度取决于信号的突变点的Lipschitz指数.小波变换不仅可以确定突变位点...
Related Articles
No related articles found